Revenue from Contracts with Customers - Schedule of Disaggregated by Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation Of Revenue [Line Items]
Total revenue	$ 73,238	$ 35,601	$ 131,569	$ 55,767
Jackups
Disaggregation Of Revenue [Line Items]
Total revenue	19,346	25,087	37,104	36,307
Deepwater
Disaggregation Of Revenue [Line Items]
Total revenue	28,517	9,279	60,855	18,127
Managed
Disaggregation Of Revenue [Line Items]
Total revenue	25,375	1,235	33,610	1,333
Dayrate Revenue
Disaggregation Of Revenue [Line Items]
Total revenue	43,107	26,938	85,537	44,761
Dayrate Revenue | Jackups
Disaggregation Of Revenue [Line Items]
Total revenue	15,963	17,473	31,294	26,371
Dayrate Revenue | Deepwater
Disaggregation Of Revenue [Line Items]
Total revenue	24,304	8,968	50,300	17,795
Dayrate Revenue | Managed
Disaggregation Of Revenue [Line Items]
Total revenue	2,840	497	3,943	595
Amortized Revenue
Disaggregation Of Revenue [Line Items]
Total revenue	2,477	5,214	6,063	5,214
Amortized Revenue | Jackups
Disaggregation Of Revenue [Line Items]
Total revenue	1,439	5,214	1,659	5,214
Amortized Revenue | Deepwater
Disaggregation Of Revenue [Line Items]
Total revenue	1,038		4,404
Reimbursable Revenue
Disaggregation Of Revenue [Line Items]
Total revenue	27,654	3,449	39,969	5,792
Reimbursable Revenue | Jackups
Disaggregation Of Revenue [Line Items]
Total revenue	1,944	2,400	4,151	4,722
Reimbursable Revenue | Deepwater
Disaggregation Of Revenue [Line Items]
Total revenue	3,175	311	6,151	332
Reimbursable Revenue | Managed
Disaggregation Of Revenue [Line Items]
Total revenue	$ 22,535	$ 738	$ 29,667	$ 738