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Revenue from Contracts with Customers Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Disaggregation of Revenue [Line Items] |  |  |
Capitalized Contract Cost, Net | $ 44.2 |  |
Minimum |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Drilling Contracts, Term | 1 month |  |
Maximum |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Drilling Contracts, Term | 5 years |  |
Upfront Rig Mobilizations And Certain Contract Preparation [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Capitalized Contract Cost, Net | $ 36.6 | $ 47.4 |
Capitalized Contract Cost, Amortization | 39.6 | 108.4 | $ 92.9
Deferred Certification Costs [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Capitalized Contract Cost, Net | 7.6 | 12.9 |
Capitalized Contract Cost, Amortization | $ 8.5 | $ 10.1 | $ 12.7

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