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Equity Method Investment in ARO Equity Method Investment In ARO Narrative (Details)
RM in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
rigs
jackup
drillship
Dec. 31, 2025
MYR (RM)
rigs
jackup
drillship
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Jan. 31, 2020
rigs
Schedule of Equity Method Investments [Line Items]          
Total number of contract drilling rigs 46 46      
Number of jackups leased by ARO 7 7      
Contract terms on purchased rigs 15 years 15 years      
Number of newbuild jackup rigs         2
Minimum renewal contract terms for newbuild rigs 8 years 8 years      
Basis spread on variable rate 2.10% 2.10%      
Shareholder Notes Payable, Term 10 years 10 years      
ARO Rigs Under Construction | jackup 2 2      
Paid-in-Kind Interest $ 24.1 RM 24.1 $ 24.6    
ARO          
Schedule of Equity Method Investments [Line Items]          
Total number of contract drilling rigs 9 9      
ARO | 10 years          
Schedule of Equity Method Investments [Line Items]          
Number of newbuild jackup rigs 20 20      
ARO          
Schedule of Equity Method Investments [Line Items]          
Lease Revenue From Related Party | $ $ 69.4   $ 52.6 $ 69.2  
Total Number Of Contract Drilling Rigs, Newbuild | drillship 2 2      
ARO          
Schedule of Equity Method Investments [Line Items]          
Ownership percentage 50.00% 50.00%