Income Taxes - Summary of Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Federal net operating loss	$ 153,849	$ 133,804
Foreign tax loss carryforward	49,932	45,980
State net operating loss	24,265	25,740
Asset retirement obligations	92,823	106,604
Tax credits	303	522
Derivatives	42,075	16,346
Other well equipment inventory	5,680	9,470
Accrued bonus	5,087	3,069
Operating lease liabilities	4,081	4,904
Other	9,257	7,727
Total deferred tax assets	387,352	354,166
Valuation allowance	(224,266)	(178,998)
Total deferred tax assets, net	163,086	175,168
Deferred tax liabilities:
Oil and gas properties	160,002	170,596
Deferred financing	0	1,765
Operating lease assets	1,423	1,652
Prepaid	3,075	3,216
Total deferred tax liabilities	164,500	177,229
Net deferred tax (liability)	$ (1,414)	$ (2,061)