Commitments and Contingencies - Schedule of Components of Lease Expense (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Commitments And Contingencies Disclosure [Line Items]
Operating lease cost		$ 26,343	$ 27,895
Variable lease expense	[1]	27,243	33,849
Short-term lease expense / costs	[2]	1,950	1,866
Sublease income		(2,380)	(3,199)
Total lease expense		53,156	60,411
Natural Gas and Oil Properties
Commitments And Contingencies Disclosure [Line Items]
Short-term lease expense / costs	[3]	$ 18,984	$ 15,984

[1] Variable lease payments that are not dependent on an index or rate and are not included in the lease liability or ROU assets.

[2] Short-term lease expense represents expense related to leases with a contract term of one year or less and are not included in our ROU assets or lease liability in our consolidated balance sheet.

[3] These short-term lease costs are related to leases with a contract term of one year or less, the majority of which are related to drilling rigs which are capitalized as part of natural gas and oil properties on our consolidated balance sheets and may fluctuate based on the number of drilling rigs being utilized.