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v3.23.3

Commitments and Contingencies - Additional Information (Details) |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Oct. 04, 2023 USD ($) | Sep. 30, 2023 USD ($) | Mar. 31, 2018 USD ($) Vessel | Sep. 30, 2023 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Number of multi-purpose service vessels | Vessel |  |  | 2 |
Litigation charge |  | $ 32,500,000 |  | $ 32,500,000
Litigation charge associated with write-off of net contract asset |  |  |  | 12.5
Litigation charge associated with recording liability |  |  |  | $ 20
Note Agreement | Subsequent Event |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimated present value | $ 12,600,000 |  |  |
Surety Bond |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Claims under performance bonds issued |  |  | $ 50,000,000 |
Promissory Note | Note Agreement | Subsequent Event |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Debt instrument, issued, principal | $ 20,000,000 |  |  |
Debt instrument, interest rate terms | principal and interest payable in 15 equal annual installments |  |  |
Stated interest rate (percentage) | 3.00% |  |  |
Debt instrument, periodic payment | $ 1,700,000 |  |  |
Debt instrument, maturity date, start | Dec. 31, 2024 |  |  |
Debt instrument, maturity date, end | Dec. 31, 2038 |  |  |
Debt instrument, frequency of periodic payment | 15 |  |  |

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