Revenue from Contracts with Customers - Schedule of Disaggregated by Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 58,331	$ 20,166
Jackups
Disaggregation Of Revenue [Line Items]
Total revenue	17,758	11,220
Deepwater
Disaggregation Of Revenue [Line Items]
Total revenue	32,338	8,848
Managed
Disaggregation Of Revenue [Line Items]
Total revenue	8,235	98
Dayrate Revenue
Disaggregation Of Revenue [Line Items]
Total revenue	42,430	17,823
Dayrate Revenue | Jackups
Disaggregation Of Revenue [Line Items]
Total revenue	15,331	8,898
Dayrate Revenue | Deepwater
Disaggregation Of Revenue [Line Items]
Total revenue	25,996	8,827
Dayrate Revenue | Managed
Disaggregation Of Revenue [Line Items]
Total revenue	1,103	98
Amortized Revenue
Disaggregation Of Revenue [Line Items]
Total revenue	3,586
Amortized Revenue | Jackups
Disaggregation Of Revenue [Line Items]
Total revenue	220
Amortized Revenue | Deepwater
Disaggregation Of Revenue [Line Items]
Total revenue	3,366
Reimbursable Revenue
Disaggregation Of Revenue [Line Items]
Total revenue	12,315	2,343
Reimbursable Revenue | Jackups
Disaggregation Of Revenue [Line Items]
Total revenue	2,207	2,322
Reimbursable Revenue | Deepwater
Disaggregation Of Revenue [Line Items]
Total revenue	2,976	$ 21
Reimbursable Revenue | Managed
Disaggregation Of Revenue [Line Items]
Total revenue	$ 7,132