Revenue and Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Operating revenues	$ 638,535	$ 275,153	$ 1,248,589	$ 485,383
Contract drilling services
Disaggregation of Revenue [Line Items]
Operating revenues	606,180	262,463	1,181,470	457,498
Floaters
Disaggregation of Revenue [Line Items]
Operating revenues	493,983	202,690	970,216	343,903
Jackups
Disaggregation of Revenue [Line Items]
Operating revenues	$ 112,197	$ 59,773	$ 211,254	$ 113,595