Business Segments - Revenues (Detail) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		$ 622,238	$ 291,774	$ 1,131,613	$ 532,703
Contract Drilling
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		304,586	141,732	561,226	275,233
Pressure Pumping
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		238,376	111,991	427,966	187,830
Directional Drilling
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		54,825	24,869	98,159	44,539
Operating Segments | Contract Drilling
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		307,618	142,264	567,301	275,926
Operating Segments | Pressure Pumping
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		238,376	111,991	427,966	187,830
Operating Segments | Directional Drilling
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues		54,825	24,869	98,159	44,539
Other Operations
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues	[1]	29,233	18,251	54,259	32,817
Intersegment Elimination | Contract Drilling
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues	[2]	(3,032)	(532)	(6,075)	(693)
Intersegment Elimination | Other Operations
Segment Reporting Revenue Reconciling Item [Line Items]
Total revenues	[2]	$ (4,782)	$ (5,069)	$ (9,997)	$ (7,716)

[1] Other operations includes our oilfield rentals business, drilling equipment service business, the electrical controls and automation business and the oil and natural gas working interests.

[2] Intercompany revenues consist of revenues from contract drilling for services provided to our other operations, and revenues from other operations for services provided to contract drilling, pressure pumping and within other operations. These revenues are generally based on estimated external selling prices and are eliminated during consolidation.