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v3.22.1

Long-Term Debt - New Bridge Revolving Credit Facility (Details) $ in Millions |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 25, 2019 USD ($) rig shares | Sep. 30, 2019 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Credit Facility [Abstract] |  |  |  |
Long-term debt |  |  | $ 1,915.9 | $ 1,906.2
Deferred amendment fee |  |  | 42.8 | 42.8
New Bridge Facility |  |  |  |
Credit Facility [Abstract] |  |  |  |
Number of jack-up rigs secured by mortgage | rig | 2 |  |  |
Line of credit facility, maximum borrowing capacity | $ 100.0 | $ 50.0 |  |
Repayments of lines of credit |  | $ 50.0 |  |
Minimum number of shares required to maintain ownership (in shares) | shares | 3,000,000 |  |  |
Book value of jackup rigs pledged as collateral for long-term debt facilities |  |  | 86.1 |
Long-term debt |  |  | 30.3 | 30.0
Deferred amendment fee |  |  | 0.3 |
Revolving credit facility, amount available, undrawn |  |  | 20.0 |
Syndicated Senior Secured Credit Facilities |  |  |  |
Credit Facility [Abstract] |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 450.0 |  |  |
Minimum number of shares required to maintain ownership (in shares) | shares | 3,000,000 |  |  |
Book value of jackup rigs pledged as collateral for long-term debt facilities |  |  | 571.9 |
Long-term debt |  |  | 272.7 | $ 270.0
Deferred amendment fee |  |  | 2.7 |
Revolving credit facility, amount available, undrawn |  |  | $ 10.0 |

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