Drilling and Other Property and Equipment - Summary of Cost and Accumulated Depreciation of Drilling and Other Property and Equipment (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,361,312	$ 1,313,880
Less: accumulated depreciation	(222,768)	(171,972)
Drilling and other property and equipment, net	1,138,544	1,141,908
Drilling Rigs and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,173,854	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	10,016	10,001
Office Equipment and Other [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 2,871	$ 2,515