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Derivatives Hedges and Financial Instruments - Additional Information (Detail) $ in Thousands, MMBTU in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 USD ($) MMBTU | Mar. 31, 2021 USD ($) | Dec. 31, 2021 MMBTU
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Gain (loss) on sale of natural gas |  | $ 2,700 |
Realized gain on sale of natural gas |  | 6,800 |
Unrealized loss on sale of natural gas | $ 0 |  |
Natural Gas Purchase Commitments [Member] |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Natural gas purchase commitments volume | MMBTU | 1.8 |  |
Realized gain on sale of natural gas |  | $ 1,500 |
Natural Gas Purchase Commitments [Member] | Level 2 [Member] |  |  |
Derivative Instruments And Hedging Activities Disclosures [Line Items] |  |  |
Natural gas purchase commitments volume | MMBTU | 0.0 |  | 0.0

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- Definition The amount of gains and losses (realized and unrealized) recognized in earnings during the period on natural gas forward contracts measured at fair value. + References No definition available. + Details
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- Definition Natural gas purchase commitment volume. + References No definition available. + Details
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- Definition Realized Gain (Loss) On Natural Gas Forward Contracts Held. + References No definition available. + Details
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- Definition The amount of unrealized gains and losses recognized in earnings during the period on natural gas forward contracts held as of period end measured at fair value. + References No definition available. + Details
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- Details
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- Details
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