Impairment of Assets - Additional Information (Detail) $ in Thousands	2 Months Ended	3 Months Ended	4 Months Ended	6 Months Ended
	Jun. 30, 2021 USD ($)	Mar. 31, 2021 Rig	Apr. 23, 2021 USD ($)	Jun. 30, 2022 USD ($)
Schedule Of Asset Impairment Charges [Line Items]
Impairment of assets	$ 0		$ 197,027	$ 0
2021 Impaired Rigs [Member]
Schedule Of Asset Impairment Charges [Line Items]
Number of rigs evaluated for impairment | Rig		3
Number of rigs impaired during period | Rig		1
Impairment of assets			$ 197,000
2022 Impaired Rigs [Member]
Schedule Of Asset Impairment Charges [Line Items]
Impairment of assets	$ 0			$ 0