Business Segments - Identifiable Assets (Detail) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		$ 7,420,574	$ 3,143,823
Operating Segments | Drilling Services
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		2,345,942	2,348,177
Operating Segments | Completion Services
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		3,940,742	541,975
Operating Segments | Drilling Produtcs
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		1,038,772	0
Operating Segments | Corporate Segment
Segment Reporting Asset Reconciling Item [Line Items]
Total assets	[1]	37,336	189,653
Other Operations
Segment Reporting Asset Reconciling Item [Line Items]
Total assets		$ 57,782	$ 64,018

[1] Corporate assets primarily include cash on hand and certain property and equipment.