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Acquisitions and Divestitures - Pacific Drilling Merger (Details)
$ in Thousands, shares in Millions
1 Months Ended 2 Months Ended 3 Months Ended
Apr. 15, 2021
shares
Jun. 30, 2021
USD ($)
Feb. 05, 2021
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2022
USD ($)
floater
Business Acquisition [Line Items]          
Number of floaters acquired | floater         7
Number of floaters sold | floater         2
Merger and integration costs     $ 0 $ 2,013 $ 9,521
Pacific Drilling          
Business Acquisition [Line Items]          
Business acquisition, membership interest conversion ratio 6.366        
Business acquisition, warrants conversion ratio 1.553        
Number of shares received by acquiree (in shares) | shares 16.6        
Proceeds from sale of floaters   $ 29,700      
Merger and integration costs       $ 2,000 $ 900
Pacific Drilling | Pacific Drilling | Noble Corp          
Business Acquisition [Line Items]          
Ownership percentage at closing of Merger 24.90%