Business Segments - Capital Expenditures (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Capital expenditures	$ 96,370	$ 38,050	$ 191,198	$ 56,573
Operating Segments | Contract Drilling
Segment Reporting Information [Line Items]
Capital expenditures	50,165	24,042	101,875	35,469
Operating Segments | Pressure Pumping
Segment Reporting Information [Line Items]
Capital expenditures	34,554	8,921	68,016	12,989
Operating Segments | Directional Drilling
Segment Reporting Information [Line Items]
Capital expenditures	4,036	1,219	7,002	1,323
Operating Segments | Corporate Segment
Segment Reporting Information [Line Items]
Capital expenditures	426	439	914	619
Other Operations
Segment Reporting Information [Line Items]
Capital expenditures	$ 7,189	$ 3,429	$ 13,391	$ 6,173