Business Segments - Depreciation, Depletion, Amortization and Impairment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	$ 197,635	$ 122,150	$ 452,629	$ 360,641
Other Operations
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	5,319	7,920	21,946	20,495
Operating Segments | Drilling Services
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	90,668	88,199	272,361	262,955
Operating Segments | Completion Services
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	83,338	24,746	135,339	73,244
Operating Segments | Drilling Produtcs
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	17,075	0	17,075	0
Operating Segments | Corporate Segment
Segment Reporting Information [Line Items]
Depreciation, depletion, amortization and impairment	$ 1,235	$ 1,285	$ 5,908	$ 3,947