Acquisitions and Divestitures - Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	11 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022
Maersk Drilling Merger
Business Acquisition [Line Items]
Revenue	$ 1,924,013	$ 2,218,117
Net income	$ 453,231	$ (34,356)
Net income per share, basic (usd per share)	$ 3.56	$ (0.26)
Net income per share, diluted (usd per share)	$ 3.44	$ (0.26)
Pacific Drilling
Business Acquisition [Line Items]
Revenue	$ 792,999
Net income	$ 69,966
Net income per share, basic (usd per share)	$ 1.05
Net income per share, diluted (usd per share)	$ 0.98