Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating loss carryforward	$ 538,340	$ 581,349
Divestiture contract obligation	107,067	105,227
Deferred compensation	17,342	25,733
Equity compensation	6,767	4,813
Asset retirement obligations	25,614	24,113
Interest expense carryforward	19,861	16,118
Lease right-of-use liabilities	6,023	19,395
Unrealized mark-to-market loss	0	30,307
Other	16,396	16,922
Total deferred tax assets	542,013	631,234
Deferred tax liabilities:
Depreciation and depletion	(998,886)	(935,710)
Unrealized mark-to-market gain	(96,545)	0
Lease right-of-use assets	(5,184)	(18,440)
Other	(2,686)	(10,655)
Total deferred tax liabilities	(1,103,301)	(964,805)
Net deferred tax liability	(561,288)	(333,571)
Federal
Valuation allowances:
Valuation allowances	(23,396)	(21,320)
State, net of federal benefit
Valuation allowances:
Valuation allowances	$ (172,001)	$ (171,423)