Summary of Significant Accounting Policies (Supplemental Cash Flow Information) (Details) - USD ($) |
12 Months Ended | ||
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Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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Supplemental cash flow information: | |||
Interest paid, net of capitalized amounts | $ 91,269,000 | $ 0 | $ 0 |
Income taxes paid | 0 | 0 | 0 |
Cash paid for amounts included in the measurement of lease liabilities: | |||
Operating cash flows from operating leases | 44,314,000 | 3,414,000 | 0 |
Investing cash flows from operating leases | 24,234,000 | 32,529,000 | 0 |
Non-cash investing and financing activities: | |||
Change in accrued capital expenditures | (64,465,000) | (31,475,000) | (52,757,000) |
Change in asset retirement costs | 8,605,000 | 13,559,000 | 8,730,000 |
Contingent consideration arrangement | 0 | 8,512,000 | 0 |
ROU assets obtained in exchange for lease liabilities: | |||
Operating leases | 8,070,000 | 66,914,000 | 0 |
Financing leases | 0 | 2,197,000 | 0 |
Federal | |||
Supplemental cash flow information: | |||
Income taxes paid | $ 0 | $ 0 | $ 0 |
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- Definition Cash paid for amounts included in the measurement of lease liabilities [Abstract] No definition available.
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- Definition Increase (Decrease) Accrued Capital Expenditures No definition available.
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- Definition ROU assets obtained in exchange for lease liabilities [Abstract] No definition available.
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash outflow from operating lease to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Details
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