Revenue and Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended
	Feb. 05, 2021	Mar. 31, 2021	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Operating revenues	$ 77,481	$ 92,433	$ 210,230
Floaters
Disaggregation of Revenue [Line Items]
Operating revenues	50,057	56,048	141,213
Jackups
Disaggregation of Revenue [Line Items]
Operating revenues	23,994	28,581	53,822
Contract drilling services
Disaggregation of Revenue [Line Items]
Operating revenues	$ 74,051	$ 84,629	$ 195,035