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Equity Method Investment In ARO Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) jackup drillship | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) jackup drillship | Sep. 30, 2022 USD ($) | Jan. 31, 2020 drillship
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of Rigs Owned by ARO | jackup | 7 |  | 7 |  |
Total Number Of Contract Drilling Rigs | 51 |  | 51 |  |
Number of Newbuild Jackup Rigs | jackup | 20 |  | 20 |  |
Order Period |  |  | 10 years |  |
ARO Rigs Under Construction | drillship | 2 |  | 2 |  | 2
Shareholder Notes Payable, Term |  |  | 10 years |  |
ARO |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Early Repayment Of Principal From Joint Venture Non Current |  | $ 40,000 |  |  |
Equity Method Investment Summarized Financial Information Non Cash Interest Income |  | 14,800 |  |  |
Other |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Total Number Of Contract Drilling Rigs | 8 |  | 8 |  |
ARO |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Total Number Of Contract Drilling Rigs | 7 |  | 7 |  |
ARO |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Lease Revenue From Related Party | $ 19,100 | $ 13,800 | $ 54,700 | $ 42,600 |
London Interbank Offered Rate (LIBOR) |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 2.00% |  |
Middle East & Africa |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Total Number Of Contract Drilling Rigs | 16 |  | 16 |  |
Middle East & Africa | Other |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Total Number Of Contract Drilling Rigs | 8 |  | 8 |  |
Middle East & Africa | ARO |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Total Number Of Contract Drilling Rigs | 7 |  | 7 |  |
Middle East & Africa | Work-in-progress | ARO |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Total Number Of Contract Drilling Rigs | drillship | 2 |  | 2 |  |
ARO |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity Method Investment, Ownership Percentage | 50.00% |  | 50.00% |  |

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