Drilling and Other Property and Equipment - Summary of Cost and Accumulated Depreciation of Drilling and Other Property and Equipment (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,407,865	$ 1,313,880
Less: accumulated depreciation	(250,528)	(171,972)
Drilling and other property and equipment, net	1,157,337	1,141,908
Drilling Rigs and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,219,768	1,126,793
Finance Lease Right of Use Asset [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	174,571	174,571
Land and Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	10,034	10,001
Office Equipment and Other [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 3,492	$ 2,515