Income Taxes - Components of Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards, or NOLs	$ 226,022	$ 285,910
Foreign tax credits	29,243	34,089
Disallowed interest deduction	70,492	66,395
Worker’s compensation and other current accruals	5,150	5,644
Deferred deductions	6,869	7,749
Deferred revenue	6,282	11,240
Operating lease liability	33,815	9,156
Property, plant and equipment	334,757
Other	4,971	12,967
Total deferred tax assets	717,601	433,150
Valuation allowance	(673,452)	(203,950)
Net deferred tax assets	44,149	229,200
Deferred tax liabilities:
Property, plant and equipment		(239,576)
Mobilization		(7,422)
Right-of-use assets	(33,117)	(9,603)
Other	(871)	(937)
Total deferred tax liabilities	(33,988)	(257,538)
Net deferred tax asset	$ 10,161
Net deferred tax liability		$ (28,338)