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v3.23.2

Credit Facilities and Debt - Additional Information (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
May 05, 2023 | Mar. 31, 2023 | Jun. 30, 2023 | Jun. 30, 2022
Line Of Credit Facility [Line Items] |  |  |  |
Maturity date | Jun. 30, 2024 |  |  |
Surety bonds |  |  | $ 110,900,000 |
Surety bonds subject to dispute |  |  | 50,000,000.0 |
Surety bonds relates to Active Retained Shipyard Contracts |  |  | $ 45,600,000 |
Short-term Premium Finance Arrangement |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Stated interest rate (percentage) |  | 4.30% |  |
Short-term premium finance |  | $ 2,400,000 |  |
Short-term premium finance, Number of installment |  | payable in ten equal monthly installments through March 2023 |  |
General Liability Arrangement |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Stated interest rate (percentage) |  |  | 6.60% |
Short-term premium finance |  |  | $ 500,000 |
Short-term premium finance, Number of installment |  |  | payable in eight equal monthly installments through August 2023 |
Insurance Finance and General Liability Arrangements |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Principal payments |  |  | $ 1,100,000 | $ 200,000
Remaining principal balance |  |  | 100,000 |
Fabrication |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Surety bonds subject to dispute |  |  | $ 15,300,000 |
Maximum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Letter of credit facility | $ 20,000,000.0 |  |  |
Minimum |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Letter of credit facility | $ 10,000,000.0 |  |  |
LC Facility |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Fees on undrawn borrowings (percentage) |  |  | 0.40% |
Total outstanding letters of credit |  |  | $ 1,200,000 |
Letter of Credit |  |  |  |
Line Of Credit Facility [Line Items] |  |  |  |
Stated interest rate (percentage) |  |  | 1.50% |

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