Business Segments - Capital Expenditures (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Capital expenditures	$ 94,828	$ 18,523
Operating Segments | Contract Drilling
Segment Reporting Information [Line Items]
Capital expenditures	51,710	11,427
Operating Segments | Pressure Pumping
Segment Reporting Information [Line Items]
Capital expenditures	33,462	4,068
Operating Segments | Directional Drilling
Segment Reporting Information [Line Items]
Capital expenditures	2,966	104
Operating Segments | Corporate Segment
Segment Reporting Information [Line Items]
Capital expenditures	488	180
Other Operations
Segment Reporting Information [Line Items]
Capital expenditures	$ 6,202	$ 2,744