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Derivative Financial Instruments and Hedging Activities - Additional Information (Detail)
12 Months Ended
Dec. 31, 2021
MMBTU
$ / MMBTU
Natural Gas Collar Contracts:  
Derivative Instruments And Hedging Activities [Line Items]  
Volume (in MMBTU) | MMBTU 147,675,000
Ceiling, average price (in dollars per MMBTU) | $ / MMBTU 3.92
Floor, average price (in dollars per MMBTU) | $ / MMBTU 2.63
Natural Gas Swap Contracts:  
Derivative Instruments And Hedging Activities [Line Items]  
Volume (in MMBTU) | MMBTU 121,300,000