Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Apr. 30, 2021
Commitments And Contingencies [Line Items]
Natural gas transportation contracts, due next year	$ 41.2
Natural gas transportation contracts, due year two	41.5
Natural gas transportation contracts, due year three	41.6
Natural gas transportation contracts, due year four	29.8
Natural gas transportation contracts, due year five	25.0
Natural gas transportation contracts, remaining term of contracts	24.8
Commitments for contracted drilling services	$ 12.3
Commitments for contracted services, year one		$ 19.2
Commitments for contracted services, year two		19.2
Commitments for contracted services, year three		$ 19.2
Minimum
Commitments And Contingencies [Line Items]
Contract cancellable term related to drilling services	45 days
Maximum
Commitments And Contingencies [Line Items]
Contract term related to drilling services	1 year
Contract cancellable term related to drilling services	6 months

Commitments and contingencies.

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Commitments For Contracted Completion Services, Year One

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Commitments For Contracted Completion Services, Year Three

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Commitments For Contracted Completion Services, Year Two

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Commitments for contracted drilling services.

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- Definition

Contract terms related to drilling services.

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Contract terms related to drilling services cancellable.

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Amount of contractual obligation 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).

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Amount of contractual obligation 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).

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Amount of contractual obligation 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).

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Amount of contractual obligation 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).

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Amount of contractual obligation 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).

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Amount of contractual obligation 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).

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