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Revenue and Customers - Estimated Future Amortization (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Unfavorable contracts        
Noncurrent contract liabilities $ 27,749 $ 50,863    
Maersk Drilling        
Unfavorable contracts        
2024 27,749      
Noncurrent contract liabilities 27,749 50,863 $ 121,194 $ 181,883
Total        
2024 20,382      
Total 20,382      
Maersk Drilling | Favorable contracts        
Favorable contracts        
2024 (7,367)      
Favorable contracts $ (7,367) $ (10,128) $ (27,411) $ (34,372)