Revenue from Contracts with Customers (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Capitalized Contract Cost [Line Items] | |||||
| Capitalized Contract Cost, Net | $ 74.4 | $ 74.4 | |||
| Upfront Rig Mobilizations And Certain Contract Preparation [Member] | |||||
| Capitalized Contract Cost [Line Items] | |||||
| Capitalized Contract Cost, Net | 68.0 | 68.0 | $ 36.6 | ||
| Capitalized Contract Cost, Amortization | 18.9 | $ 8.8 | 32.5 | $ 21.6 | |
| Deferred Certification Costs | |||||
| Capitalized Contract Cost [Line Items] | |||||
| Capitalized Contract Cost, Net | 6.4 | 6.4 | $ 7.6 | ||
| Capitalized Contract Cost, Amortization | $ 1.8 | $ 2.2 | $ 3.7 | $ 4.4 | |
| Minimum | |||||
| Capitalized Contract Cost [Line Items] | |||||
| Remaining duration of drilling contracts | 1 month | 1 month | |||
| Maximum | |||||
| Capitalized Contract Cost [Line Items] | |||||
| Remaining duration of drilling contracts | 4 years | 4 years | |||