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Derivative Financial Instruments and Hedging Activities - Schedule of Derivative Instruments (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Derivative [Line Items] |  |
Derivative asset, current | $ 5,258 | $ 8,913
Assets, fair value, long-term | 0 | 661
Derivative liability, current | 181,945 | 47,005
Liability, fair value, long-term | 4,042 | 2,364
Derivative Financial Instruments – current |  |
Derivative [Line Items] |  |
Derivative asset, current | 5,258 | 8,913
Derivative liability, current | 181,945 | 47,005
Derivative Financial Instruments – current | Natural gas price derivatives |  |
Derivative [Line Items] |  |
Derivative asset, current | 4,528 | 8,913
Derivative liability, current | 181,215 | 45,158
Derivative Financial Instruments – current | Oil price derivatives |  |
Derivative [Line Items] |  |
Derivative asset, current | 730 | 0
Derivative liability, current | 730 | 831
Derivative Financial Instruments – current | Interest rate derivatives |  |
Derivative [Line Items] |  |
Derivative liability, current | 0 | 1,016
Derivative Financial Instruments – long-term |  |
Derivative [Line Items] |  |
Liability, fair value, long-term | 4,042 | 2,364
Derivative Financial Instruments – long-term | Natural gas price derivatives |  |
Derivative [Line Items] |  |
Assets, fair value, long-term | 0 | 661
Liability, fair value, long-term | 4,042 | 1,308
Derivative Financial Instruments – long-term | Interest rate derivatives |  |
Derivative [Line Items] |  |
Liability, fair value, long-term | $ 0 | $ 1,056

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