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Company Name: HALLADOR ENERGY CO
CIK: 788965
Phone: None
Fiscal Year End: None
Entity Type:
SIC: -
Category Type:
Entity Name: None
First Filing Date: 2011-08-05
Last Filing Date: 2025-05-12
SEC Filings
Start End Frame Filed ACCN Value View
2022-06-30 CY2022Q2I 2023-11-01 0001104659-23-113443 $ 116,685,277 View
2017-01-01 2017-12-31 CY2016Q4I 2018-03-13 0001144204-18-014211 $ 2,969,000 View
2018-01-01 2018-12-31 CY2017Q4I 2019-03-11 0001144204-19-013338 $ 3,670,000 View
2019-04-01 2019-06-30 CY2019Q2I 2019-08-05 0001558370-19-007102 $ 3,785,000 View
2019-07-01 2019-09-30 CY2019Q3I 2019-11-04 0001558370-19-009838 $ 3,985,000 View
2019-01-01 2019-12-31 CY2018Q4I 2020-03-09 0001558370-20-002242 $ 3,446,000 View
2020-01-01 2020-03-31 CY2020Q1I 2020-05-11 0001558370-20-006258 $ 3,898,000 View
2015-01-01 2015-03-31 CY2014Q1 2015-05-08 0001144204-15-028856 $ 28,962,000 View
2015-04-01 2015-06-30 CY2014Q2 2015-08-07 0001144204-15-047332 $ 29,024,000 View
2015-07-01 2015-09-30 CY2014Q3 2015-11-06 0001144204-15-063354 $ 29,044,000 View
2016-01-01 2016-03-31 CY2015Q1 2016-05-06 0001144204-16-099577 $ 29,251,000 View
2016-04-01 2016-06-30 CY2015Q2 2016-08-05 0001144204-16-116907 $ 29,251,000 View
2016-07-01 2016-09-30 CY2015Q3 2016-11-04 0001144204-16-131748 $ 29,252,000 View
2017-01-01 2017-03-31 CY2016Q1 2017-05-08 0001144204-17-025297 $ 29,413,000 View
2017-04-01 2017-06-30 CY2016Q2 2017-08-08 0001144204-17-041245 $ 29,503,000 View
2017-07-01 2017-09-30 CY2016Q3 2017-11-07 0001144204-17-056675 $ 29,774,000 View
2014-01-01 2014-03-31 CY2014Q1 2014-05-02 0000788965-14-000013 $ 28,757,000 View
2016-01-01 2016-12-31 CY2015Q4I 2017-03-10 0001144204-17-014028 $ 2,300,000 View
2018-01-01 2018-03-31 CY2018Q1I 2018-05-07 0001144204-18-025730 $ 3,589,000 View
2018-04-01 2018-06-30 CY2018Q2I 2018-08-06 0001144204-18-042171 $ 3,800,000 View
2018-07-01 2018-09-30 CY2018Q3I 2018-11-05 0001144204-18-057362 $ 4,541,000 View
2019-01-01 2019-03-31 CY2019Q1I 2019-05-06 0001144204-19-023949 $ 3,872,000 View
2020-04-01 2020-06-30 CY2020Q2I 2020-08-03 0001437749-20-016301 $ 3,699,000 View
2020-07-01 2020-09-30 CY2020Q3I 2020-11-02 0001437749-20-022269 $ 3,824,000 View
2020-01-01 2020-12-31 CY2019Q4I 2021-03-09 0001437749-21-005315 $ 2,988,000 View
2021-01-01 2021-03-31 CY2021Q1I 2021-05-03 0001437749-21-010622 $ 3,111,000 View
2021-04-01 2021-06-30 CY2021Q2I 2021-08-09 0001437749-21-019173 $ 3,059,000 View
2021-07-01 2021-09-30 CY2021Q3I 2021-11-08 0001437749-21-025710 $ 3,137,000 View
2021-01-01 2021-12-31 CY2020Q4I 2022-03-28 0001437749-22-007411 $ 6,000 View
2011-04-01 2011-06-30 CY2010Q2 2011-08-05 0000788965-11-000028 $ 28,133 View
2011-07-01 2011-09-30 CY2010Q3 2011-11-07 0000788965-11-000039 $ 28,162 View
2011-01-01 2011-12-31 CY2010 2012-03-02 0000788965-12-000006 $ 28,135 View
2012-01-01 2012-03-31 CY2011Q1 2012-05-07 0000788965-12-000020 $ 28,309 View
2012-04-01 2012-06-30 CY2011Q2 2012-08-03 0000788965-12-000028 $ 28,314,000 View
2012-07-01 2012-09-30 CY2011Q3 2012-11-09 0000788965-12-000043 $ 28,324,000 View
2013-01-01 2013-03-31 CY2012Q1 2013-05-15 0000788965-13-000014 $ 28,529,000 View
2013-04-01 2013-06-30 CY2012Q2 2013-08-06 0000788965-13-000030 $ 28,604,000 View
2013-07-01 2013-09-30 CY2012Q3 2013-11-06 0000788965-13-000040 $ 28,607,000 View
2014-04-01 2014-06-30 CY2014Q2 2014-08-01 0001144204-14-046489 $ 28,770,000 View
2012-01-01 2012-12-31 CY2011Q4I 2013-03-07 0000788965-13-000006 $ 0 View
2013-01-01 2013-12-31 CY2012Q4I 2014-03-07 0000788965-14-000008 $ 875,000 View
2015-01-01 2015-12-31 CY2013Q4I 2016-03-11 0001144204-16-087556 $ 4,600,000 View
2013-01-01 2013-01-31 CY2012Q4I 2015-03-06 0001144204-15-014611 $ 1,000,000 View
2014-07-01 2014-09-30 CY2014Q3 2014-11-10 0001144204-14-066560 $ 1,021,000 View
2022-01-01 2022-03-31 CY2021Q1 2022-05-23 0001437749-22-013322 $ 159,000 View
2022-01-01 2022-06-30 CY2022Q2I 2022-08-15 0001437749-22-020542 $ 10,000,000 View
2022-07-01 2022-09-30 CY2021Q3 2022-11-14 0001437749-22-027318 $ 1,612,000 View
2023-01-01 2023-03-31 CY2022Q1 2023-05-08 0001437749-23-013046 $ 13,482,000 View
2022-01-01 2022-12-31 CY2021 2023-03-16 0001437749-23-006932 $ 54,020,000 View
2022-04-01 2022-06-30 CY2022Q2 2023-08-07 0001437749-23-022350 $ 1,000,000 View
2023-01-01 2023-09-30 CY2023Q3 2023-11-06 0001437749-23-030422 $ 0 View
2023-01-01 2023-12-31 CY2022 2024-03-14 0001437749-24-007870 $ 7,318,000 View
2024-01-01 2024-02-23 CY2024Q1I 2024-05-07 0001437749-24-015139 $ 1,900,000 View
2024-04-01 2024-06-30 CY2024Q2 2024-08-07 0001437749-24-025219 $ 35,912,000 View
2024-07-01 2024-09-30 CY2024Q3 2024-11-12 0001558370-24-015355 $ 11,562,000 View
2024-01-01 2024-12-31 CY2023Q4I 2025-03-17 0001558370-25-003141 $ 4,300,000 View
2025-01-01 2025-01-31 CY2024Q4I 2025-05-12 0001558370-25-007429 $ 2,800,000 View
SEC Facts By Type
Type Name Description View
dei Entity Common Stock, Shares Outstanding Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument. View
us-gaap Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. View
us-gaap Additional Paid in Capital Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. View
us-gaap Amortization of Deferred Loan Origination Fees, Net The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments. View
us-gaap Available-for-sale Securities, Noncurrent Investments in debt and equity securities which are categorized neither as held-to-maturity nor trading and which are intended to be sold or mature more than one year from the balance sheet date or operating cycle, if longer. Such securities are reported at fair value; unrealized gains (losses) related to Available-for-sale Securities are excluded from earnings and reported in a separate component of shareholders' equity (other comprehensive income), unless the Available-for-sale security is designated as a hedge or is determined to have had an other than temporary decline in fair value below its amortized cost basis. All or a portion of the unrealized holding gain (loss) of an Available-for-sale security that is designated as being hedged in a fair value hedge is recognized in earnings during the period of the hedge, as are other than temporary declines in fair value below the cost basis for investments in equity securities and debt securities that an entity intends to sell or it is more likely than not that it will be required to sell before the recovery of its amortized cost basis. Other than temporary declines in fair value below the cost basis for debt securities categorized as Available-for-sale that an entity does not intend to sell and for which it is not more likely than not that the entity will be required to sell before the recovery of its amortized cost basis are bifurcated into credit losses and losses related to all other factors. Other than temporary declines in fair value below cost basis related to credit losses are recognized in earnings, and losses related to all other factors are recognized in other comprehensive income. View
us-gaap Common Stock, Shares, Issued Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. View
us-gaap Debt Issuance Costs, Noncurrent, Net Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. View
us-gaap Derivative Liability Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. View
us-gaap Earnings Per Share, Basic and Diluted The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. View
us-gaap Equity Method Investments This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. View
us-gaap Exploration Expense "Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or ""G&G"" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells." View
us-gaap Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. View
us-gaap Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. View
us-gaap Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. View
us-gaap Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. View
us-gaap Increase (Decrease) in Accounts Payable and Other Operating Liabilities Amount of increase (decrease) in obligations incurred but not paid, and operating obligations classified as other. View
us-gaap Increase (Decrease) in Materials and Supplies The increase (decrease) during the period in the carrying amount of capitalized costs of materials, supplies, or both, which are not included in inventory. View
us-gaap Increase (Decrease) in Self Insurance Reserve The increase (decrease) during the period in the carrying amount of accrued known and estimated losses incurred for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's' compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. View
us-gaap Interest and Dividends Payable, Current Sum of the carrying values as of the balance sheet date of (a) interest payable on all forms of debt, including trade payables, that has been incurred, and (b) dividends declared but unpaid on equity securities issued by the entity and outstanding (also includes dividends collected on behalf of another owner of securities that are being held by the entity). Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Interest Expense Amount of the cost of borrowed funds accounted for as interest expense. View
us-gaap Interest Rate Derivative Liabilities, at Fair Value Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. View
us-gaap Long-term Line of Credit The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. View
us-gaap Line of Credit, Current The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. View
us-gaap Long-term Line of Credit, Noncurrent The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. View
us-gaap Operating Leases, Future Minimum Payments Due Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. View
us-gaap Operating Leases, Future Minimum Payments, Due in Rolling Year Five Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Rolling Year Four Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Rolling Year Three Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Due in Rolling Year Two Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Operating Leases, Future Minimum Payments, Next Rolling Twelve Months Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. View
us-gaap Other Significant Noncash Transaction, Value of Consideration Received "The value of the noncash (or part noncash) consideration received in a transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of a transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Payments for Repurchase of Warrants The aggregate amount paid by the entity to reacquire the right to purchase equity shares at a predetermined price, usually issued together with corporate debt. View
us-gaap Preferred Stock, Value, Issued Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. View
us-gaap Proceeds from Sale of Other Investments The cash inflow associated with the sale of other investments not otherwise defined in the taxonomy. View
us-gaap Proceeds from Sale of Other Property, Plant, and Equipment Amount of cash inflow for the sale of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. View
us-gaap Proceeds from Sale of Property, Plant, and Equipment The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. View
us-gaap Proceeds from Stock Options Exercised Amount of cash inflow from exercise of option under share-based payment arrangement. View
us-gaap Property, Plant and Equipment, Gross Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. View
us-gaap Property, Plant and Equipment, Net Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. View
us-gaap Quantifying Misstatement in Current Year Financial Statements, Amount Amount of each individual error being corrected in the correcting adjustment. View
us-gaap Real Estate Investment Property, at Cost Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. View
us-gaap Redeemable Noncontrolling Interest, Equity, Carrying Amount As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. View
us-gaap Regulatory Assets The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period. View
us-gaap Reimbursement Revenue (Deprecated 2018-01-31) Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants. View
us-gaap Repayments of Bank Debt The cash outflow to settle a bank borrowing during the year. View
us-gaap Repayments of Lines of Credit Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. View
us-gaap Repayments of Long-term Debt The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. View
us-gaap Restricted Cash and Cash Equivalents Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Restricted Stock Award, Forfeitures, Dividends The value of dividends forfeited related to restricted stock awards forfeited. View
us-gaap Restricted Stock or Unit Expense Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement. View
us-gaap Results of Operations, Dry Hole Costs Dry hole costs from oil and gas producing activities. View
us-gaap Retained Earnings (Accumulated Deficit) The cumulative amount of the reporting entity's undistributed earnings or deficit. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. View
us-gaap Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). View
us-gaap Tax Benefit from Stock Options Exercised (Deprecated 2013-01-31) Tax benefits realized from the exercise of stock options resulting in reductions in the entity's income taxes, which increases net cash provided by operating activities. View
us-gaap Taxes Payable Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. View
us-gaap Energy Marketing Contract Liabilities, Current Current liabilities attributable to energy marketing activities (trading activities). Current energy marketing (trading activities) are when entities engage in both financial and physical trading to increase profits, manage their commodity price risk and enhance system reliability. They may trade electricity, coal, natural gas and oil. These entities typically use a variety of financial instruments, including forward contracts, options and swaps. View
us-gaap Proceeds from Convertible Debt The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. View
us-gaap Finance Lease, Liability, to be Paid, Year One Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Three Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Two Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, Undiscounted Excess Amount Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease. View
us-gaap Finance Lease, Right-of-Use Asset, after Accumulated Amortization Amount, after accumulated amortization, of right-of-use asset from finance lease. View
us-gaap Finance Lease, Weighted Average Discount Rate, Percent Weighted average discount rate for finance lease calculated at point in time. View
us-gaap Contract with Customer, Asset, after Allowance for Credit Loss Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. View
us-gaap Contract with Customer, Liability, Revenue Recognized Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset. View
us-gaap Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. View
us-gaap Impairment of Long-Lived Assets Held-for-use The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). View
us-gaap Litigation Settlement, Expense Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. View
us-gaap Number of Operating Segments Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. View
us-gaap Policyholder Benefits and Claims Incurred, Net Amount, after effects of policies assumed or ceded, of expense related to the provision for policy benefits and costs incurred. View
us-gaap Stock Issued During Period, Value, Issued for Services Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. View
us-gaap Workers' Compensation Liability, Current Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Increase (Decrease) in Contract with Customer, Liability Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable. View
us-gaap Litigation Settlement, Amount Awarded to Other Party Amount awarded to other party in judgment or settlement of litigation. View
us-gaap Operating Lease, Right-of-Use Asset Amount of lessee's right to use underlying asset under operating lease. View
us-gaap Finance Lease, Interest Payment on Liability Amount of interest paid on finance lease liability. View
us-gaap Finance Lease, Liability Present value of lessee's discounted obligation for lease payments from finance lease. View
us-gaap Finance Lease, Liability, Current Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. View
us-gaap Finance Lease, Liability, Noncurrent Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. View
dei Entity Public Float The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter. View
us-gaap Accounts Payable and Accrued Liabilities Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations. View
us-gaap Accounts Payable Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. View
us-gaap Accounts and Other Receivables, Net, Current Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer. View
us-gaap Accounts Payable and Accrued Liabilities, Current Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits. View
us-gaap Accounts Receivable, after Allowance for Credit Loss, Current Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. View
us-gaap Accretion Expense Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. View
us-gaap Accretion of Discount (Deprecated 2016-01-31) Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time. View
us-gaap Accrued Employee Benefits Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. View
us-gaap Accrued Income Taxes, Current Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. View
us-gaap Accrued Liabilities Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. View
us-gaap Accrued Payroll Taxes Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs. View
us-gaap Accumulated Amortization, Debt Issuance Costs Amount of accumulated amortization of debt issuance costs. View
us-gaap Accumulated Amortization, Debt Issuance Costs, Current Amount of accumulated amortization of debt issuance costs classified as current. View
us-gaap Accumulated Amortization, Debt Issuance Costs, Noncurrent Amount of accumulated amortization of debt issuance costs classified as noncurrent. View
us-gaap Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. View
us-gaap Assets Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Assets, Current Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Assets, Fair Value Disclosure Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. View
us-gaap Assets, Fair Value Disclosure, Recurring (Deprecated 2018-01-31) This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. View
us-gaap Assets, Noncurrent Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. View
us-gaap Available-for-sale Securities, Current Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. View
us-gaap Debt Securities, Available-for-sale Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). View
us-gaap Commodity Contract Asset, Current Carrying amount as of the balance sheet date of the asset arising from commodity contracts such as futures contracts tied to the movement of a particular commodity, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer. View
us-gaap Common Stock, Par or Stated Value Per Share Face amount or stated value per share of common stock. View
us-gaap Common Stock, Shares Authorized The maximum number of common shares permitted to be issued by an entity's charter and bylaws. View
us-gaap Share-based Payment Arrangement, Decrease for Tax Withholding Obligation Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement. View
us-gaap APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition Amount of increase to additional paid-in capital (APIC) for recognition of cost for restricted stock unit under share-based payment arrangement. View
us-gaap APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment arrangement. View
us-gaap Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit. View
us-gaap Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP). View
us-gaap Share-based Payment Arrangement, Expense Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. View
us-gaap Accounts Receivable, Allowance for Credit Loss Amount of allowance for credit loss on accounts receivable. View
us-gaap Amortization of Advance Royalty The expense charged against earnings for the periodic recognition of the advance royalties. These royalties are paid in one accounting period, but are deducted from earnings over time through amortization. For example, royalties that are required to be paid in advance of production from a mineral, oil, or gas property and amortized over the period of right to produce these items. View
us-gaap Amortization of Debt Issuance Costs Amount of amortization expense attributable to debt issuance costs. View
us-gaap Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. View
us-gaap Area of Real Estate Property Area of a real estate property. View
us-gaap Asset Impairment Charges Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. View
us-gaap Asset Retirement Obligation The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Asset Retirement Obligation, Accretion Expense Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. View
us-gaap Asset Retirement Obligation, Current Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Asset Retirement Obligation, Liabilities Settled Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. View
us-gaap Asset Retirement Obligation, Period Increase (Decrease) Amount of increase (decrease) in asset retirement obligations. View
us-gaap Asset Retirement Obligation, Revision of Estimate Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. View
us-gaap Asset Retirement Obligations, Noncurrent Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. View
us-gaap Finance Lease, Liability, Payment, Due Amount of lessee's undiscounted obligation for lease payments for finance lease. View
us-gaap Business Combination, Consideration Transferred Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. View
us-gaap Business Combination, Integration Related Costs Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. View
us-gaap Capital Expenditures Incurred but Not yet Paid Future cash outflow to pay for purchases of fixed assets that have occurred. View
us-gaap Cash and Cash Equivalents, at Carrying Value Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. View
us-gaap Cash and Cash Equivalents, Period Increase (Decrease) Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. View
us-gaap Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. View
us-gaap Certificates of Deposit, at Carrying Value A savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate. A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit). Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties. Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. View
us-gaap Coal Products and Services Revenue (Deprecated 2018-01-31) Revenue derived from sale of coal and related products. Also includes rendering of services and selling of products for exploration, development, mining, and processing, as well as supporting activities. View
us-gaap Common Stock, Shares, Outstanding Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. View
us-gaap Common Stock, Value, Issued Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. View
us-gaap Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. View
us-gaap Construction in Progress, Gross Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. View
us-gaap Contract with Customer, Liability Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. View
us-gaap Contract with Customer, Liability, Current Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. View
us-gaap Cost of Coal Products and Services (Deprecated 2018-01-31) Cost incurred related to exploration, development, mining, processing and providing mining support activities related to coal. View
us-gaap Cost of Goods and Services Sold The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. View
us-gaap Cost of Reimbursable Expense (Deprecated 2018-01-31) Cost associated with reimbursable income. This occurs when a services entity incurs expenses on behalf of the client and passes through the cost of reimbursable expenses to a client. View
us-gaap Costs and Expenses Total costs of sales and operating expenses for the period. View
us-gaap Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense. View
us-gaap Energy Related Inventory, Crude Oil and Natural Gas Liquids The aggregate carrying amount as of the balance sheet date of unrefined petroleum and the liquid hydrocarbon components recovered from natural gas. View
us-gaap Current Income Tax Expense (Benefit) Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. View
us-gaap Debt Instrument, Basis Spread on Variable Rate Percentage points added to the reference rate to compute the variable rate on the debt instrument. View
us-gaap Long-term Debt, Gross Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. View
us-gaap Debt Instrument, Fee Amount Amount of the fee that accompanies borrowing money under the debt instrument. View
us-gaap Debt Instrument, Interest Rate, Effective Percentage Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. View
us-gaap Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum (Deprecated 2016-01-31) When presenting a range of interest rates, the highest effective rate for funds borrowed under the debt agreement as of the balance sheet date. View
us-gaap Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum (Deprecated 2016-01-31) Maximum contractual interest rate for funds borrowed, under the debt agreement. View
us-gaap Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum (Deprecated 2016-01-31) Minimum contractual interest rate for funds borrowed, under the debt agreement. View
us-gaap Debt Instrument, Unused Borrowing Capacity, Amount Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. View
us-gaap Debt Instrument, Unused Borrowing Capacity, Fee Amount of commitment fees for the unused borrowing capacity under the long-term financing arrangement that is available to the entity. View
us-gaap Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction. View
us-gaap Deferred Compensation Arrangement with Individual, Compensation Expense The compensation expense recognized during the period pertaining to the deferred compensation arrangement. View
us-gaap Debt Issuance Costs, Current, Net Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. View
us-gaap Debt Issuance Costs, Net Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. View
us-gaap Deferred Income Tax Expense (Benefit) Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. View
us-gaap Deferred Income Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. View
us-gaap Deferred Revenue Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. View
us-gaap Deferred Tax Assets, Capital Loss Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. View
us-gaap Deferred Tax Assets, Equity Method Investments Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from equity method investments. View
us-gaap Deferred Tax Assets, Net of Valuation Allowance Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. View
us-gaap Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards classified as noncurrent. View
us-gaap Deferred Tax Assets, Operating Loss Carryforwards Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. View
us-gaap Deferred Tax Assets, Operating Loss Carryforwards, Domestic Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. View
us-gaap Deferred Tax Assets, Operating Loss Carryforwards, State and Local Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. View
us-gaap Deferred Tax Assets, Other Loss Carryforwards Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible loss carryforwards, classified as other. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards. View
us-gaap Deferred Tax Assets, Tax Credit Carryforwards, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. View
us-gaap Deferred Tax Assets, Valuation Allowance Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. View
us-gaap Deferred Tax Liabilities, Gross, Noncurrent Gross amount of noncurrent deferred tax liabilities, which result from applying the applicable tax rate to taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax. View
us-gaap Deferred Tax Liabilities, Net, Noncurrent Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as noncurrent. View
us-gaap Deferred Tax Liabilities, Property, Plant and Equipment Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. View
us-gaap Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries. View
us-gaap Defined Contribution Plan, Cost Amount of cost for defined contribution plan. View
us-gaap Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. View
us-gaap Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent (Deprecated 2013-01-31) Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan. View
us-gaap Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. View
us-gaap Depreciation, Depletion and Amortization, Nonproduction The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. View
us-gaap Depreciation, Depletion and Amortization The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. View
us-gaap Derivative Liability, Current Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 10 Percent Annual Discount for Estimated Timing of Cash Flows (Deprecated 2014-01-31) This is the amount that is derived from using a discount rate of ten percent a year to reflect the timing of the future net cash flows relating to proved oil and gas reserves. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Cash Inflows (Deprecated 2014-01-31) Amount of estimated future cash inflows from sale of proved oil and gas reserves. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2014-01-31) Amount of estimated future cost to be incurred in developing proved oil and gas reserves. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31) Amount of estimated net future cash inflows, after subtracting future development and production costs and future income tax expenses, from sale of proved oil and gas reserves. View
us-gaap Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2014-01-31) Amount of estimated future cost to be incurred in producing proved oil and gas reserves. View
us-gaap Dividends Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. View
us-gaap Dividends, Cash Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred. View
us-gaap Dividends, Common Stock, Cash Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. View
us-gaap Dividends Payable, Amount Per Share The per share amount of a dividend declared, but not paid, as of the financial reporting date. View
us-gaap Dividends Payable, Current Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). View
us-gaap Earnings Per Share, Basic The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. View
us-gaap Earnings Per Share, Diluted The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. View
us-gaap Effective Income Tax Rate Reconciliation, Percent Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Percentage of domestic federal statutory tax rate applicable to pretax income (loss). View
us-gaap Share-based Payment Arrangement, Expense, Tax Benefit Amount of tax benefit for recognition of expense of award under share-based payment arrangement. View
us-gaap Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period. View
us-gaap Energy Related Inventory, Coal Carrying amount as of the balance sheet date of coal, which is a combustible rock or minerals which are extracted from the ground and used as fuel. View
us-gaap Proceeds from Equity Method Investment, Distribution Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. View
us-gaap Equity Method Investment, Ownership Percentage The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. View
us-gaap Equity Method Investment, Realized Gain (Loss) on Disposal Amount of gain (loss) on sale or disposal of an equity method investment. View
us-gaap Excess Tax Benefit from Share-based Compensation, Financing Activities Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. View
us-gaap Excess Tax Benefit from Share-based Compensation, Operating Activities Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. View
us-gaap Exploration Expense, Mining (Deprecated 2018-01-31) Exploration expenses (including prospecting) related to the mining industry would be included in operating expenses. Exploration costs include costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of mineral reserves. View
us-gaap Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of extensions, discoveries and improved recovery of proved oil and gas reserves. View
us-gaap Extinguishment of Debt, Amount Gross amount of debt extinguished. View
us-gaap Fair Value Inputs, Discount Rate (Deprecated 2018-01-31) Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. View
us-gaap Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) Amount of increase (decrease) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. View
us-gaap Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. View
us-gaap Finite-Lived Intangible Assets, Net Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. View
us-gaap Gain (Loss) on Disposition of Assets Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. View
us-gaap Gain (Loss) on Disposition of Oil and Gas Property Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties. View
us-gaap Gain (Loss) on Disposition of Other Assets Amount of gain (loss) on sale or disposal of other assets. View
us-gaap Gain (Loss) on Disposition of Oil and Gas and Timber Property Amount of gain (loss) on sale or disposal of oil and gas property or timber property. View
us-gaap Gain (Loss) on Disposition of Property Plant Equipment Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. View
us-gaap Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries or equity method investee. View
us-gaap Gain (Loss) on Extinguishment of Debt Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. View
us-gaap Gains (Losses) on Sales of Other Real Estate The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. View
us-gaap Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. View
us-gaap Income (Loss) from Equity Method Investments Amount of income (loss) for proportionate share of equity method investee's income (loss). View
us-gaap Income Tax Expense (Benefit) Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. View
us-gaap Income Tax Expense (Benefit), Extraordinary Items (Deprecated 2019-01-31) The sum of the current income tax expense or benefit and the deferred income tax expense or benefit allocated to Income or Loss from extraordinary items. View
us-gaap Income Taxes Paid The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. View
us-gaap Income Taxes Receivable, Current Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible depletion. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses. View
us-gaap Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. View
us-gaap Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. View
us-gaap Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments. View
us-gaap Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). View
us-gaap Effective Income Tax Rate Reconciliation, Tax Contingency, State and Local, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in state and local income tax contingency. View
us-gaap Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits. View
us-gaap Increase (Decrease) in Accounts and Notes Receivable The increase (decrease) during the reporting period of the sum of amounts due within one year (or one business cycle) from customers for the credit sale of goods and services; and from note holders for outstanding loans. View
us-gaap Increase (Decrease) in Accounts Payable and Accrued Liabilities The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. View
us-gaap Increase (Decrease) in Income Taxes Payable The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction. View
us-gaap Increase (Decrease) in Asset Retirement Obligations The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations. View
us-gaap Increase (Decrease) in Coal Inventories The increase (decrease) during the reporting period in the value of coal held in inventory. View
us-gaap Increase (Decrease) in Derivative Assets and Liabilities The increase (decrease) during the period in the net carrying value of derivative instruments reported as assets and liabilities that are due to be disposed of within one year (or the normal operating cycle, if longer). View
us-gaap Changes in Estimated Future Development Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in estimated future development costs. View
us-gaap Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge Amount of unrealized gain (loss) included in earnings related to the fair value of the hedged item in an interest rate fair value hedge, offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective. View
us-gaap Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments Amount of unrealized gain (loss) related to the fair value of interest rate derivatives designated as fair value hedging instruments, as offset by the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective. View
us-gaap Increase (Decrease) in Inventories The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. View
us-gaap Increase (Decrease) in Marketable Securities, Restricted The change during the period, either increase or decrease, in total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale that are pledged to one or more secured parties who have the right to buy, sell, or re-pledge the collateral. View
us-gaap Increase (Decrease) in Other Operating Assets Amount of increase (decrease) in operating assets classified as other. View
us-gaap Increase (Decrease) in Other Operating Assets and Liabilities, Net Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other. View
us-gaap Increase (Decrease) in Prepaid Expense and Other Assets Amount of increase (decrease) in prepaid expenses, and assets classified as other. View
us-gaap Increase (Decrease) in Prepaid Expense The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. View
us-gaap Increase (Decrease) in Prepaid Taxes Amount of increase (decrease) of consideration paid in advance for income and other taxes that provide economic benefits in future periods. View
us-gaap Increase (Decrease) in Restricted Cash The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. View
us-gaap Interest Expense, Debt Amount of the cost of borrowed funds accounted for as interest expense for debt. View
us-gaap Interest Expense, Long-term Debt Aggregate amount of interest paid or due on all long-term debt. View
us-gaap Interest Expense, Other Amount of interest expense classified as other. View
us-gaap Interest Paid, Excluding Capitalized Interest, Operating Activities Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. View
us-gaap Interest Rate Derivative Assets, at Fair Value Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. View
us-gaap Interest Rate Derivatives, at Fair Value, Net Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet. View
us-gaap Interest Rate Fair Value Hedge Asset at Fair Value Fair value as of the balance sheet date of all derivative assets designated as interest rate fair value hedging instruments. View
us-gaap Interest Rate Fair Value Hedge Derivative at Fair Value, Net Fair value of all derivatives designated as interest rate fair value hedging instruments. View
us-gaap Interest Rate Fair Value Hedge Liability at Fair Value Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments. View
us-gaap Inventory Adjustments Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods. View
us-gaap Inventory Valuation Reserves Amount of valuation reserve for inventory. View
us-gaap Inventory Write-down Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. View
us-gaap Investments and Other Noncurrent Assets Amount of investments, and noncurrent assets classified as other. View
us-gaap Issuance of Stock and Warrants for Services or Claims Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims. View
us-gaap Lessee, Operating Lease, Liability, to be Paid Amount of lessee's undiscounted obligation for lease payment for operating lease. View
us-gaap Lessee, Operating Lease, Liability, to be Paid, after Year Five Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year One Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Five Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Four Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Three Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Year Two Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year. View
us-gaap Lessee, Operating Lease, Liability, Undiscounted Excess Amount Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. View
us-gaap Liabilities Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. View
us-gaap Liabilities and Equity Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. View
us-gaap Liabilities Assumed The fair value of liabilities assumed in noncash investing or financing activities. View
us-gaap Liabilities, Current Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. View
us-gaap Financial and Nonfinancial Liabilities, Fair Value Disclosure Fair value of financial and nonfinancial obligations. View
us-gaap Liabilities, Noncurrent Amount of obligation due after one year or beyond the normal operating cycle, if longer. View
us-gaap Long-term Debt, Excluding Current Maturities Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) Amount borrowed under the credit facility as of the balance sheet date. View
us-gaap Line of Credit Facility, Capacity Available for Trade Purchases The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for financing purchases of goods acquired for inventory or imminent delivery to a customer. View
us-gaap Line of Credit Facility, Commitment Fee Percentage The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used. View
us-gaap Line of Credit Facility, Fair Value of Amount Outstanding Fair value of the amount outstanding under the credit facility. View
us-gaap Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. View
us-gaap Line of Credit Facility, Remaining Borrowing Capacity Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). View
us-gaap Line of Credit Facility, Unused Capacity, Commitment Fee Percentage The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. View
us-gaap Loans Payable to Bank, Current Carrying value as of the balance sheet date of current portion of long-term loans payable to bank due within one year or the operating cycle if longer. View
us-gaap Long-term Debt Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Long-term Debt, Current Maturities Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. View
us-gaap Long-Term Debt, Maturity, Year One Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Four Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Three Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Long-Term Debt, Maturity, Year Two Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Operating Lease, Payments Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. View
us-gaap Notes Payable, Noncurrent Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. View
us-gaap Marketable Securities Amount of investment in marketable security. View
us-gaap Marketable Securities, Current Amount of investment in marketable security, classified as current. View
us-gaap Marketable Securities, Unrealized Gain (Loss) Amount of unrealized gain (loss) on investment in marketable security. View
us-gaap Mineral Rights Carrying amount at the balance sheet date of mineral rights, or rights to extract a mineral from the earth or to receive payment in the form of a royalty for the extraction of minerals, net of amortization. View
us-gaap Stockholders' Equity Attributable to Noncontrolling Interest Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). View
us-gaap Net Cash Provided by (Used in) Financing Activities Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. View
us-gaap Net Cash Provided by (Used in) Financing Activities, Continuing Operations Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. View
us-gaap Net Cash Provided by (Used in) Investing Activities Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. View
us-gaap Net Cash Provided by (Used in) Investing Activities, Continuing Operations Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. View
us-gaap Net Cash Provided by (Used in) Operating Activities Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Net Cash Provided by (Used in) Operating Activities, Continuing Operations Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. View
us-gaap Net Income (Loss) Attributable to Parent The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. View
us-gaap Net Income (Loss) Available to Common Stockholders, Basic Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. View
us-gaap Net Increase (Decrease) in Sales and Transfer Prices and Production Costs Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of change in sales and transfer prices and in production (lifting) costs related to future production. View
us-gaap Noninterest Income, Other Operating Income Amount of revenue earned, classified as other, excluding interest income. View
us-gaap Notes Payable, Current Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer. View
us-gaap Number of Interest Rate Derivatives Held Number of interest rate derivative instruments held by the entity at the reporting date. View
us-gaap Operating Income (Loss) The net result for the period of deducting operating expenses from operating revenues. View
us-gaap Operating Lease, Liability Present value of lessee's discounted obligation for lease payments from operating lease. View
us-gaap Operating Lease, Liability, Noncurrent Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. View
us-gaap Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate for operating lease calculated at point in time. View
us-gaap Other Accrued Liabilities Amount of expenses incurred but not yet paid classified as other. View
us-gaap Other Assets, Current Amount of current assets classified as other. View
us-gaap Other Assets, Miscellaneous, Noncurrent Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. View
us-gaap Other Assets, Noncurrent Amount of noncurrent assets classified as other. View
us-gaap Other Comprehensive Income (Loss), Net of Tax Amount after tax and reclassification adjustments of other comprehensive income (loss). View
us-gaap Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31) This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. View
us-gaap Other Comprehensive Income (Loss), Reclassification Adjustment for Write-down of Securities Included in Net Income, Net of Tax (Deprecated 2012-01-31) Reclassification adjustment for unrealized gains or losses realized upon the write-down of securities, after tax. View
us-gaap OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. View
us-gaap Other Income Amount of revenue and income classified as other. View
us-gaap Other Inventory, Supplies, Gross Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer. View
us-gaap Other Labor-related Expenses Amount of labor-related expenses classified as other. View
us-gaap Other Liabilities, Noncurrent Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. View
us-gaap Other Long-term Debt Amount of long-term debt classified as other. View
us-gaap Other Long-term Debt, Current Amount of long-term debt classified as other, payable within one year or the operating cycle, if longer. View
us-gaap Other Long-term Debt, Noncurrent Amount of long-term debt classified as other, payable after one year or the operating cycle, if longer. View
us-gaap Other Nonoperating Income Amount of income related to nonoperating activities, classified as other. View
us-gaap Other Nonoperating Income (Expense) Amount of income (expense) related to nonoperating activities, classified as other. View
us-gaap Other Operating Income The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation. View
us-gaap Other Revenue, Net (Deprecated 2018-01-31) Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other. View
us-gaap Participating Securities, Distributed and Undistributed Earnings (Deprecated 2014-01-31) Aggregate of earnings distributed and earnings allocated to participating securities under the two-class method to the extent that participating securities may share in earnings as if all of the earnings for the period had been distributed. View
us-gaap Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. View
us-gaap Payments for Advance to Affiliate The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity). View
us-gaap Payments for (Proceeds from) Other Investing Activities Amount of cash (inflow) outflow from investing activities classified as other. View
us-gaap Payments of Debt Issuance Costs The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. View
us-gaap Payments of Dividends Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. View
us-gaap Payments of Ordinary Dividends, Common Stock Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. View
us-gaap Payments of Financing Costs The cash outflow for loan and debt issuance costs. View
us-gaap Payment, Tax Withholding, Share-based Payment Arrangement Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. View
us-gaap Payments to Acquire Assets, Investing Activities Aggregate cash payments for a combination of transactions that are classified as investing activities in which assets, which may include securities, other types of investments, or productive assets, are purchased from third-party sellers. This element can be used by entities to aggregate payments for all asset purchases that are classified as investing activities. View
us-gaap Payments to Acquire Equity Method Investments The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. View
us-gaap Payments to Acquire Marketable Securities Amount of cash outflow for purchase of marketable security. View
us-gaap Payments to Acquire Mining Assets The cash outflow from the purchase of mining and mining related assets during the period. View
us-gaap Payments to Acquire Other Productive Assets Amount of cash outflow for the purchase of or improvements to tangible or intangible assets, used to produce goods or deliver services, classified as other. View
us-gaap Payments to Acquire Other Property, Plant, and Equipment Amount of cash outflow from the acquisition of or improvements to long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. View
us-gaap Payments to Acquire Productive Assets The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. View
us-gaap Payments to Acquire Property, Plant, and Equipment The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. View
us-gaap Payments to Acquire Restricted Certificates of Deposit The cash outflow from temporary investment with specific maturity and interest rate that are prohibited for current use. View
us-gaap Policyholder Benefits and Claims Incurred, Net, Health Amount, after effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred for health insurance contracts. View
us-gaap Preferred Stock, Par or Stated Value Per Share Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. View
us-gaap Preferred Stock, Shares Authorized The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. View
us-gaap Preferred Stock, Shares Issued Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. View
us-gaap Preferred Stock, Shares Outstanding Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. View
us-gaap Share-based Payment Arrangement, Accelerated Cost Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost. View
us-gaap Prepaid Expense, Current Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. View
us-gaap Prepaid Mineral Royalties, Noncurrent Carrying amount as of the balance sheet date of capitalized amounts paid for mineral royalties which will be charged against earnings after one year or beyond the normal operating cycle, if longer. View
us-gaap Prepaid Taxes Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer. View
us-gaap Proceeds from Bank Debt The cash inflow from bank borrowing during the year. View
us-gaap Proceeds from Collection of Advance to Affiliate The cash inflow from the collection of money previously advanced to an entity that is related to it but not strictly controlled. View
us-gaap Proceeds from Divestiture of Businesses and Interests in Affiliates The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). View
us-gaap Proceeds from Income Tax Refunds The amount of cash received during the period as refunds for the overpayment of taxes. View
us-gaap Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity. View
us-gaap Proceeds from Noncontrolling Interests Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. View
us-gaap Proceeds from Notes Payable The cash inflow from a borrowing supported by a written promise to pay an obligation. View
us-gaap Proceeds from Other Debt Amount of cash inflow from debt classified as other. View
us-gaap Proceeds from (Payments for) Other Financing Activities Amount of cash inflow (outflow) from financing activities classified as other. View
us-gaap Proceeds from (Repurchase of) Equity The net cash inflow or outflow resulting from the entity's share transaction. View
us-gaap Proceeds from Sale and Maturity of Marketable Securities The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. View
us-gaap Proceeds from Sale of Equity Method Investments The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. View
us-gaap Proceeds from Sale of Land Held-for-use The cash inflow from the sale of land held for use; excludes sales of land held as inventory or investments. View
us-gaap Proceeds from Sale of Long-term Investments The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle. View
us-gaap Proceeds from Sale of Machinery and Equipment The cash inflow from sale of machinery and equipment. View
us-gaap Proceeds from Sale of Oil and Gas Property and Equipment The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. View
us-gaap Proceeds from Sale of Other Receivables Amount of cash inflow from the sale of receivables classified as other. View
us-gaap Revenue from Contract with Customer, Excluding Assessed Tax Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. View
us-gaap Revenues Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). View
us-gaap Revisions of Previous Quantity Estimates Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of revisions of estimated quantity of oil and gas in proved reserves. View
us-gaap Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Amount of increase in right-of-use asset obtained in exchange for operating lease liability. View
us-gaap Royalty Guarantees, Commitments, Amount The amount the entity has committed to make for future royalty guarantees. View
us-gaap Sale Leaseback Transaction, Net Proceeds, Financing Activities Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in financing activities. View
us-gaap Sales and Transfers of Oil and Gas Produced, Net of Production Costs Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced. View
us-gaap Secured Debt, Current Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. View
us-gaap Secured Long-term Debt, Noncurrent Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets. View
us-gaap Selling, General and Administrative Expense The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. View
us-gaap Share-based Payment Arrangement, Noncash Expense Amount of noncash expense for share-based payment arrangement. View
us-gaap Asset Retirement Obligation, Liabilities Incurred Amount of asset retirement obligations incurred during the period. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares authorized for issuance under share-based payment arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of options outstanding, including both vested and non-vested options. View
us-gaap Share-based Goods and Nonemployee Services Transaction, Tax Benefit The amount of income tax expense reduction and deferred tax asset recorded in the transaction in which equity securities were issued to pay for goods or nonemployee services. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Number Number of shares for which recognition of cost was accelerated for award under share-based payment arrangement. View
us-gaap Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options. View
us-gaap Share Price Price of a single share of a number of saleable stocks of a company. View
us-gaap Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of changes from other sources. View
us-gaap Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves Amount of discounted future accumulated cash inflow relating to proved oil and gas reserves. View
us-gaap Stockholders' Equity Attributable to Parent Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. View
us-gaap Stockholders' Equity, Other This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy. View
us-gaap Stock Issued During Period, Shares, Restricted Stock Award, Gross Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. View
us-gaap Stock Issued During Period, Value, Conversion of Units Value of stock issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). View
us-gaap Stock Issued During Period, Value, Employee Stock Ownership Plan Aggregate value of stock issued during the period as a result of employee stock ownership plan (ESOP). View
us-gaap Stock Issued During Period, Value, Other Value of shares of stock issued attributable to transactions classified as other. View
us-gaap Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited. View
us-gaap Capitalized Contract Cost, Amortization Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. View
us-gaap Tax Benefit from Stock Options Exercised (Deprecated 2012-01-31) Reductions in the entity's income taxes that arise when compensation cost (from non-qualified stock options) recognized on the entity's tax return exceeds compensation cost from non-qualified stock options recognized on the income statement. This element increases net cash provided by operating activities. View
us-gaap Unamortized Debt Issuance Expense The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. View
us-gaap Weighted Average Number of Shares Outstanding, Diluted The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. View
us-gaap Weighted Average Number of Shares Outstanding, Basic and Diluted Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). View
us-gaap Weighted Average Number of Shares Outstanding, Basic Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. View
us-gaap Workers' Compensation Liability Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. View
us-gaap Write off of Deferred Debt Issuance Cost Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. View
us-gaap Deferred Tax Liabilities, Gross Amount of deferred tax liability attributable to taxable temporary differences. View
us-gaap Deferred Tax Assets, Other Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. View
us-gaap Deferred Tax Liabilities, Net Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. View
us-gaap Deferred Tax Liabilities, Investments Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments). View
us-gaap Deferred Tax Liabilities, Other Amount of deferred tax liability attributable to taxable temporary differences classified as other. View
us-gaap Asset Retirement Obligation, Cash Paid to Settle Amount of cash paid during the period to settle an asset retirement obligation. Amounts paid to settle an asset retirement obligation are generally included in the operating section of the Statement of Cash Flows. View
us-gaap Loss Contingency Accrual, Provision Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. View
us-gaap Debt Conversion, Original Debt, Amount "The amount of the original debt being converted in a noncash (or part noncash) transaction. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period." View
us-gaap Convertible Notes Payable, Noncurrent Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder. View
us-gaap Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) Amount of gain (loss) recognized in other comprehensive income from derivative asset (liability) after deduction of derivative liability (asset), measured at fair value on recurring basis using unobservable input (level 3). View
us-gaap Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements Amount of settlements of financial instrument classified as a derivative asset (liability) after deduction of derivative liability, measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. View
us-gaap Mine Reclamation and Closing Liability, Noncurrent Amount of a reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas. View
us-gaap Payments for Repurchase of Redeemable Preferred Stock The cash outflow for reacquisition of callable preferred stock. View
us-gaap Net Income (Loss), Including Portion Attributable to Noncontrolling Interest The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. View
us-gaap Energy Marketing Contract Liabilities, Noncurrent Fair value of liability arising from energy marketing activities (trading activities), expected to be settled after one year or beyond the normal operating cycle, if longer. Examples of energy marketing activities include, but are not limited to, trading of electricity, coal, natural gas and oil using financial instruments, including, but not limited to, forward contracts, options and swaps. View
us-gaap Increase (Decrease) in Deferred Revenue Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method. View
us-gaap Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. View
us-gaap Interest on Convertible Debt, Net of Tax The after-tax amount of interest recognized in the period associated with any convertible debt. View
us-gaap Net Income (Loss) Attributable to Parent, Diluted The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and includes adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. View
us-gaap Number of Reportable Segments Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. View
us-gaap Operating Expenses Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. View
us-gaap Other Accrued Liabilities, Current Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. View
us-gaap Property, Plant and Equipment, Additions Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. View
us-gaap Proceeds from Related Party Debt The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. View
us-gaap Stock Issued During Period, Value, Conversion of Convertible Securities The gross value of stock issued during the period upon the conversion of convertible securities. View
us-gaap Payments for Repurchase of Redeemable Noncontrolling Interest The cash outflow during the period for redemption of redeemable noncontrolling interests. View
us-gaap Accounts Receivable, after Allowance for Credit Loss Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. View
us-gaap Deferred Costs, Leasing, Net This element represents costs incurred by the lessor that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease. Those activities are: evaluating the prospective lessee's financial condition; evaluating and recording guarantees, collateral, and other security arrangements; negotiating lease terms; preparing and processing lease documents; and closing the transaction. This element is net of accumulated amortization. View
us-gaap Deferred Tax Assets, Deferred Income Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. View
us-gaap Deferred Tax Assets, Gross Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. View
us-gaap Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities. View
us-gaap Derivative, Gain (Loss) on Derivative, Net Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. View
us-gaap Proceeds from Issuance of Common Stock The cash inflow from the additional capital contribution to the entity. View
us-gaap Stock Issued During Period, Value, New Issues Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. View
us-gaap Contract with Customer, Liability, Noncurrent Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. View
us-gaap Finance Lease, Liability, to be Paid, after Year Five Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Five Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Liability, to be Paid, Year Four Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). View
us-gaap Finance Lease, Principal Payments Amount of cash outflow for principal payment on finance lease. View
us-gaap Operating Lease, Liability, Current Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. View
us-gaap Restructuring Charges Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. View
us-gaap Direct Communications and Utilities Costs The aggregate costs of direct communications and utilities incurred during the reporting period. View
us-gaap Fuel Costs Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period. View
us-gaap Labor and Related Expense Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. View
us-gaap Long-Term Debt, Maturity, Remainder of Fiscal Year Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year. View
us-gaap Repayments of Related Party Debt The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. View
us-gaap Restructuring Reserve Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. View
us-gaap Utilities Operating Expense, Maintenance and Operations Amount of operating expense for routine plant maintenance, repairs and operations of regulated operation. View
us-gaap Disposal Group, Including Discontinued Operation, Assets, Current Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. View
us-gaap Finance Lease, Interest Expense Amount of interest expense on finance lease liability. View
us-gaap Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year. View
us-gaap 1743114 None View
Chart of Accounts => Accounts
Name View
Accumulated Amortization, Debt Issuance Costs View
Accumulated Amortization, Debt Issuance Costs, Current View
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation View
Amortization of Advance Royalty View
Amortization of Deferred Loan Origination Fees, Net View
Asset Retirement Obligations, Noncurrent View
Debt Instrument, Unused Borrowing Capacity, Fee View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost View
Fair Value Inputs, Discount Rate (Deprecated 2018-01-31) View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease) View
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount View
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount View
Interest Rate Fair Value Hedge Derivative at Fair Value, Net View
Liabilities, Noncurrent View
Operating Leases, Future Minimum Payments, Due in Rolling Year Four View
Operating Leases, Future Minimum Payments, Due in Rolling Year Three View
Operating Leases, Future Minimum Payments, Due in Rolling Year Two View
Operating Leases, Future Minimum Payments, Next Rolling Twelve Months View
Operating Lease, Weighted Average Discount Rate, Percent View
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax View
Proceeds from Sale of Machinery and Equipment View
Proceeds from Sale of Other Investments View
Proceeds from Sale of Other Property, Plant, and Equipment View
Proceeds from Sale of Other Receivables View
Proceeds from Sale of Property, Plant, and Equipment View
Proceeds from Stock Options Exercised View
Property, Plant and Equipment, Gross View
Property, Plant and Equipment, Net View
Quantifying Misstatement in Current Year Financial Statements, Amount View
Real Estate Investment Property, at Cost View
Redeemable Noncontrolling Interest, Equity, Carrying Amount View
Regulatory Assets View
Reimbursement Revenue (Deprecated 2018-01-31) View
Repayments of Bank Debt View
Repayments of Lines of Credit View
Repayments of Long-term Debt View
Restricted Cash and Cash Equivalents View
Restricted Stock Award, Forfeitures, Dividends View
Restricted Stock or Unit Expense View
Results of Operations, Dry Hole Costs View
Retained Earnings (Accumulated Deficit) View
Tax Benefit from Stock Options Exercised (Deprecated 2013-01-31) View
Taxes Payable View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) View
Finance Lease, Liability, Undiscounted Excess Amount View
Finance Lease, Right-of-Use Asset, after Accumulated Amortization View
Finance Lease, Weighted Average Discount Rate, Percent View
Operating Lease, Liability, Current View
Contract with Customer, Asset, after Allowance for Credit Loss View
Contract with Customer, Liability, Revenue Recognized View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations View
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal View
Impairment of Long-Lived Assets Held-for-use View
Litigation Settlement, Expense View
Number of Operating Segments View
Policyholder Benefits and Claims Incurred, Net View
Stock Issued During Period, Value, Issued for Services View
Workers' Compensation Liability, Current View
Increase (Decrease) in Contract with Customer, Liability View
Litigation Settlement, Amount Awarded to Other Party View
Accrued Payroll Taxes View
Accrued Income Taxes, Current View
Accrued Liabilities View
Additional Paid in Capital View
Extinguishment of Debt, Amount View
Accounts and Other Receivables, Net, Current View
Accounts Payable and Accrued Liabilities, Current View
Accounts Payable and Accrued Liabilities View
Accounts Payable View
Accounts Receivable, after Allowance for Credit Loss, Current View
Accretion Expense View
Accretion of Discount (Deprecated 2016-01-31) View
Accrued Employee Benefits View
Accumulated Amortization, Debt Issuance Costs, Noncurrent View
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment View
Accumulated Other Comprehensive Income (Loss), Net of Tax View
APIC, Share-based Payment Arrangement, Restricted Stock Unit, Increase for Cost Recognition View
APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition View
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation View
Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net View
Share-based Payment Arrangement, Expense View
Accounts Receivable, Allowance for Credit Loss View
Amortization of Debt Issuance Costs View
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount View
Area of Real Estate Property View
Asset Impairment Charges View
Asset Retirement Obligation View
Asset Retirement Obligation, Accretion Expense View
Asset Retirement Obligation, Current View
Asset Retirement Obligation, Liabilities Settled View
Asset Retirement Obligation, Period Increase (Decrease) View
Asset Retirement Obligation, Revision of Estimate View
Assets View
Assets, Current View
Assets, Fair Value Disclosure View
Assets, Fair Value Disclosure, Recurring (Deprecated 2018-01-31) View
Assets, Noncurrent View
Available-for-sale Securities, Current View
Debt Securities, Available-for-sale View
Available-for-sale Securities, Noncurrent View
Business Combination, Consideration Transferred View
Business Combination, Integration Related Costs View
Capital Expenditures Incurred but Not yet Paid View
Cash and Cash Equivalents, at Carrying Value View
Cash and Cash Equivalents, Period Increase (Decrease) View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations View
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect View
Certificates of Deposit, at Carrying Value View
Coal Products and Services Revenue (Deprecated 2018-01-31) View
Commodity Contract Asset, Current View
Common Stock, Par or Stated Value Per Share View
Common Stock, Shares Authorized View
Common Stock, Shares, Issued View
Common Stock, Shares, Outstanding View
Common Stock, Value, Issued View
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest View
Construction in Progress, Gross View
Contract with Customer, Liability View
Contract with Customer, Liability, Current View
Cost of Coal Products and Services (Deprecated 2018-01-31) View
Cost of Goods and Services Sold View
Cost of Reimbursable Expense (Deprecated 2018-01-31) View
Costs and Expenses View
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities View
Energy Related Inventory, Crude Oil and Natural Gas Liquids View
Current Income Tax Expense (Benefit) View
Debt Instrument, Basis Spread on Variable Rate View
Long-term Debt, Gross View
Debt Instrument, Fee Amount View
Debt Instrument, Interest Rate, Effective Percentage View
Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum (Deprecated 2016-01-31) View
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum (Deprecated 2016-01-31) View
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum (Deprecated 2016-01-31) View
Debt Instrument, Unused Borrowing Capacity, Amount View
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction View
Deferred Compensation Arrangement with Individual, Compensation Expense View
Debt Issuance Costs, Current, Net View
Debt Issuance Costs, Net View
Debt Issuance Costs, Noncurrent, Net View
Deferred Income Tax Expense (Benefit) View
Deferred Income Tax Liabilities, Net View
Deferred Revenue View
Deferred Tax Assets, Capital Loss Carryforwards View
Deferred Tax Assets, Equity Method Investments View
Deferred Tax Assets, Net of Valuation Allowance View
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent View
Deferred Tax Assets, Operating Loss Carryforwards View
Deferred Tax Assets, Operating Loss Carryforwards, Domestic View
Deferred Tax Assets, Operating Loss Carryforwards, State and Local View
Deferred Tax Assets, Other Loss Carryforwards View
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax View
Deferred Tax Assets, Tax Credit Carryforwards, Other View
Deferred Tax Assets, Valuation Allowance View
Deferred Tax Liabilities, Gross, Noncurrent View
Deferred Tax Liabilities, Net, Noncurrent View
Deferred Tax Liabilities, Property, Plant and Equipment View
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries View
Defined Contribution Plan, Cost View
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay View
Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent (Deprecated 2013-01-31) View
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent View
Depreciation, Depletion and Amortization, Nonproduction View
Depreciation, Depletion and Amortization View
Derivative Liability View
Derivative Liability, Current View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, 10 Percent Annual Discount for Estimated Timing of Cash Flows (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Cash Inflows (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Development Costs (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Net Cash Flows (Deprecated 2014-01-31) View
Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Future Production Costs (Deprecated 2014-01-31) View
Dividends View
Dividends, Cash View
Dividends, Common Stock, Cash View
Dividends Payable, Amount Per Share View
Dividends Payable, Current View
Earnings Per Share, Basic View
Earnings Per Share, Basic and Diluted View
Earnings Per Share, Diluted View
Effective Income Tax Rate Reconciliation, Percent View
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent View
Share-based Payment Arrangement, Expense, Tax Benefit View
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31) View
Energy Related Inventory, Coal View
Proceeds from Equity Method Investment, Distribution View
Equity Method Investment, Ownership Percentage View
Equity Method Investment, Realized Gain (Loss) on Disposal View
Equity Method Investments View
Excess Tax Benefit from Share-based Compensation, Financing Activities View
Excess Tax Benefit from Share-based Compensation, Operating Activities View
Exploration Expense View
Exploration Expense, Mining (Deprecated 2018-01-31) View
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs View
Finite-Lived Intangible Assets, Net View
Gain (Loss) on Disposition of Assets View
Gain (Loss) on Disposition of Oil and Gas Property View
Gain (Loss) on Disposition of Other Assets View
Gain (Loss) on Disposition of Oil and Gas and Timber Property View
Gain (Loss) on Disposition of Property Plant Equipment View
Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee View
Gain (Loss) on Extinguishment of Debt View
Gains (Losses) on Sales of Other Real Estate View
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest View
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest View
Income (Loss) from Equity Method Investments View
Income Tax Expense (Benefit) View
Income Tax Expense (Benefit), Extraordinary Items (Deprecated 2019-01-31) View
Income Taxes Paid View
Income Taxes Receivable, Current View
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depletion, Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount View
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount View
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount View
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount View
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount View
Effective Income Tax Rate Reconciliation, Tax Contingency, State and Local, Amount View
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount View
Increase (Decrease) in Accounts and Notes Receivable View
Increase (Decrease) in Accounts Payable and Accrued Liabilities View
Increase (Decrease) in Accounts Payable and Other Operating Liabilities View
Increase (Decrease) in Income Taxes Payable View
Increase (Decrease) in Asset Retirement Obligations View
Increase (Decrease) in Coal Inventories View
Increase (Decrease) in Derivative Assets and Liabilities View
Changes in Estimated Future Development Costs View
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge View
Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments View
Increase (Decrease) in Inventories View
Increase (Decrease) in Marketable Securities, Restricted View
Increase (Decrease) in Materials and Supplies View
Increase (Decrease) in Other Operating Assets View
Increase (Decrease) in Other Operating Assets and Liabilities, Net View
Increase (Decrease) in Prepaid Expense and Other Assets View
Increase (Decrease) in Prepaid Expense View
Increase (Decrease) in Prepaid Taxes View
Increase (Decrease) in Restricted Cash View
Increase (Decrease) in Self Insurance Reserve View
Interest and Dividends Payable, Current View
Interest Expense View
Interest Expense, Debt View
Interest Expense, Long-term Debt View
Interest Expense, Other View
Interest Paid, Excluding Capitalized Interest, Operating Activities View
Interest Rate Derivative Assets, at Fair Value View
Interest Rate Derivative Liabilities, at Fair Value View
Interest Rate Derivatives, at Fair Value, Net View
Interest Rate Fair Value Hedge Asset at Fair Value View
Interest Rate Fair Value Hedge Liability at Fair Value View
Inventory Adjustments View
Inventory Valuation Reserves View
Inventory Write-down View
Investments and Other Noncurrent Assets View
Issuance of Stock and Warrants for Services or Claims View
Lessee, Operating Lease, Liability, to be Paid View
Lessee, Operating Lease, Liability, to be Paid, after Year Five View
Lessee, Operating Lease, Liability, to be Paid, Year One View
Lessee, Operating Lease, Liability, to be Paid, Year Five View
Lessee, Operating Lease, Liability, to be Paid, Year Four View
Lessee, Operating Lease, Liability, to be Paid, Year Three View
Lessee, Operating Lease, Liability, to be Paid, Year Two View
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year View
Lessee, Operating Lease, Liability, Undiscounted Excess Amount View
Liabilities View
Liabilities and Equity View
Liabilities Assumed View
Liabilities, Current View
Financial and Nonfinancial Liabilities, Fair Value Disclosure View
Long-term Line of Credit View
Line of Credit Facility, Amount Outstanding (Deprecated 2014-01-31) View
Line of Credit Facility, Capacity Available for Trade Purchases View
Line of Credit Facility, Commitment Fee Percentage View
Line of Credit Facility, Fair Value of Amount Outstanding View
Line of Credit Facility, Maximum Borrowing Capacity View
Line of Credit Facility, Remaining Borrowing Capacity View
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage View
Line of Credit, Current View
Loans Payable to Bank, Current View
Long-term Debt View
Long-term Debt, Current Maturities View
Long-Term Debt, Maturity, Year One View
Long-Term Debt, Maturity, Year Four View
Long-Term Debt, Maturity, Year Three View
Long-Term Debt, Maturity, Year Two View
Long-term Debt, Excluding Current Maturities View
Long-term Line of Credit, Noncurrent View
Notes Payable, Noncurrent View
Marketable Securities View
Marketable Securities, Current View
Marketable Securities, Unrealized Gain (Loss) View
Mineral Rights View
Stockholders' Equity Attributable to Noncontrolling Interest View
Net Cash Provided by (Used in) Financing Activities View
Net Cash Provided by (Used in) Financing Activities, Continuing Operations View
Net Cash Provided by (Used in) Investing Activities View
Net Cash Provided by (Used in) Investing Activities, Continuing Operations View
Net Cash Provided by (Used in) Operating Activities View
Net Cash Provided by (Used in) Operating Activities, Continuing Operations View
Net Income (Loss) Attributable to Parent View
Net Income (Loss) Available to Common Stockholders, Basic View
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs View
Noninterest Income, Other Operating Income View
Notes Payable, Current View
Number of Interest Rate Derivatives Held View
Operating Income (Loss) View
Operating Lease, Liability View
Operating Lease, Liability, Noncurrent View
Operating Lease, Payments View
Operating Lease, Right-of-Use Asset View
Operating Leases, Future Minimum Payments Due View
Operating Leases, Future Minimum Payments, Due in Rolling Year Five View
Other Accrued Liabilities View
Other Assets, Current View
Other Assets, Miscellaneous, Noncurrent View
Other Assets, Noncurrent View
Other Comprehensive Income (Loss), Net of Tax View
Other Comprehensive Income (Loss), Net of Tax (Deprecated 2012-01-31) View
Other Comprehensive Income (Loss), Reclassification Adjustment for Write-down of Securities Included in Net Income, Net of Tax (Deprecated 2012-01-31) View
Other Income View
Other Inventory, Supplies, Gross View
Other Labor-related Expenses View
Other Liabilities, Noncurrent View
Other Long-term Debt View
Other Long-term Debt, Current View
Other Long-term Debt, Noncurrent View
Other Nonoperating Income View
Other Nonoperating Income (Expense) View
Other Operating Income View
Other Revenue, Net (Deprecated 2018-01-31) View
Other Significant Noncash Transaction, Value of Consideration Received View
Participating Securities, Distributed and Undistributed Earnings (Deprecated 2014-01-31) View
Participating Securities, Distributed and Undistributed Earnings (Loss), Basic View
Payments for Advance to Affiliate View
Payments for (Proceeds from) Other Investing Activities View
Payments for Repurchase of Warrants View
Payments of Debt Issuance Costs View
Payments of Dividends View
Payments of Ordinary Dividends, Common Stock View
Payments of Financing Costs View
Payment, Tax Withholding, Share-based Payment Arrangement View
Payments to Acquire Assets, Investing Activities View
Payments to Acquire Equity Method Investments View
Payments to Acquire Marketable Securities View
Payments to Acquire Mining Assets View
Payments to Acquire Other Productive Assets View
Payments to Acquire Other Property, Plant, and Equipment View
Payments to Acquire Productive Assets View
Payments to Acquire Property, Plant, and Equipment View
Payments to Acquire Restricted Certificates of Deposit View
Policyholder Benefits and Claims Incurred, Net, Health View
Preferred Stock, Par or Stated Value Per Share View
Preferred Stock, Shares Authorized View
Preferred Stock, Shares Issued View
Preferred Stock, Shares Outstanding View
Preferred Stock, Value, Issued View
Prepaid Expense, Current View
Prepaid Mineral Royalties, Noncurrent View
Prepaid Taxes View
Proceeds from Bank Debt View
Proceeds from Collection of Advance to Affiliate View
Proceeds from Divestiture of Businesses and Interests in Affiliates View
Proceeds from Income Tax Refunds View
Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities View
Proceeds from Noncontrolling Interests View
Proceeds from Notes Payable View
Proceeds from Other Debt View
Proceeds from (Payments for) Other Financing Activities View
Proceeds from (Repurchase of) Equity View
Proceeds from Sale and Maturity of Marketable Securities View
Proceeds from Sale of Equity Method Investments View
Proceeds from Sale of Land Held-for-use View
Proceeds from Sale of Long-term Investments View
Proceeds from Sale of Oil and Gas Property and Equipment View
Revenue from Contract with Customer, Excluding Assessed Tax View
Revenues View
Revisions of Previous Quantity Estimates View
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability View
Royalty Guarantees, Commitments, Amount View
Sale Leaseback Transaction, Net Proceeds, Financing Activities View
Sales and Transfers of Oil and Gas Produced, Net of Production Costs View
Secured Debt, Current View
Secured Long-term Debt, Noncurrent View
Selling, General and Administrative Expense View
Share-based Payment Arrangement, Noncash Expense View
Share-based Payment Arrangement, Accelerated Cost View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized View
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant View
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number View
Share-based Goods and Nonemployee Services Transaction, Tax Benefit View
Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Number View
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding View
Share Price View
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other View
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves View
Stockholders' Equity Attributable to Parent View
Stockholders' Equity, Other View
Stock Issued During Period, Shares, Restricted Stock Award, Gross View
Stock Issued During Period, Value, Conversion of Units View
Stock Issued During Period, Value, Employee Stock Ownership Plan View
Stock Issued During Period, Value, Other View
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures View
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture View
Tax Benefit from Stock Options Exercised (Deprecated 2012-01-31) View
Unamortized Debt Issuance Expense View
Weighted Average Number of Shares Outstanding, Diluted View
Weighted Average Number of Shares Outstanding, Basic and Diluted View
Weighted Average Number of Shares Outstanding, Basic View
Workers' Compensation Liability View
Write off of Deferred Debt Issuance Cost View
Deferred Tax Liabilities, Gross View
Deferred Tax Assets, Other View
Deferred Tax Liabilities, Net View
Deferred Tax Liabilities, Investments View
Deferred Tax Liabilities, Other View
Asset Retirement Obligation, Cash Paid to Settle View
Loss Contingency Accrual, Provision View
Debt Conversion, Original Debt, Amount View
Convertible Notes Payable, Noncurrent View
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements View
Mine Reclamation and Closing Liability, Noncurrent View
Payments for Repurchase of Redeemable Preferred Stock View
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest View
Asset Retirement Obligation, Liabilities Incurred View
Capitalized Contract Cost, Amortization View
Energy Marketing Contract Liabilities, Current View
Energy Marketing Contract Liabilities, Noncurrent View
Increase (Decrease) in Deferred Revenue View
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities View
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements View
Interest on Convertible Debt, Net of Tax View
Net Income (Loss) Attributable to Parent, Diluted View
Number of Reportable Segments View
Operating Expenses View
Other Accrued Liabilities, Current View
Proceeds from Convertible Debt View
Property, Plant and Equipment, Additions View
Proceeds from Related Party Debt View
Stock Issued During Period, Value, Conversion of Convertible Securities View
Payments for Repurchase of Redeemable Noncontrolling Interest View
Accounts Receivable, after Allowance for Credit Loss View
Deferred Costs, Leasing, Net View
Deferred Tax Assets, Deferred Income View
Deferred Tax Assets, Gross View
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits View
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities View
Derivative, Gain (Loss) on Derivative, Net View
Finance Lease, Interest Payment on Liability View
Finance Lease, Liability View
Finance Lease, Liability, Current View
Finance Lease, Liability, Noncurrent View
Finance Lease, Liability, Payment, Due View
Finance Lease, Liability, to be Paid, Year One View
Finance Lease, Liability, to be Paid, Year Three View
Finance Lease, Liability, to be Paid, Year Two View
Proceeds from Issuance of Common Stock View
Stock Issued During Period, Value, New Issues View
Contract with Customer, Liability, Noncurrent View
Finance Lease, Liability, to be Paid, after Year Five View
Finance Lease, Liability, to be Paid, Year Five View
Finance Lease, Liability, to be Paid, Year Four View
Finance Lease, Principal Payments View
Restructuring Charges View
Direct Communications and Utilities Costs View
Fuel Costs View
Labor and Related Expense View
Long-Term Debt, Maturity, Remainder of Fiscal Year View
Repayments of Related Party Debt View
Restructuring Reserve View
Utilities Operating Expense, Maintenance and Operations View
Disposal Group, Including Discontinued Operation, Assets, Current View
Finance Lease, Interest Expense View
Finance Lease, Liability, to be Paid, Remainder of Fiscal Year View
1727952 View