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Oil and Gas Producing Activities - Costs Incurred Related to Oil and Natural Gas Property Acquisition Exploration and Development Activities (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Proved properties:      
Proved property $ 21,781 $ 0 $ 1,854,541
Unproved property 35,871 7,949 237,210
Exploration and development:      
Development leasehold costs 12,953 13,022 7,603
Exploratory drilling and completion costs 6,966 0 0
Development drilling and completion costs 569,141 436,074 493,625
Other development costs 39,168 34,572 2,490
Change to asset retirement obligations 5,608 (47) 12,549
Total capital expenditures $ 691,488 $ 491,570 $ 2,608,018