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Revenue, Contract Assets and Liabilities and Other Contract Matters - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Sep. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2023
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Allowance for doubtful accounts and credit losses | $ 200 |  |  | $ 200
Increase to beginning accumulated deficit | $ (35,133) |  |  | (41,373)
Litigation Settlement, Expense |  | $ 32,500 |  |
Hurricane Ida |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Impact of Hurricane Ida, description | During 2021, our operations were impacted by Hurricane Ida, which made landfall near Houma, Louisiana as a high-end Category 4 hurricane, causing debris and damage to our buildings and equipment at our Houma Facilities. |  |  |
Insurance payments received | $ 2,000 |  | $ 700 |
Gain on interruptions insurance recovery |  |  | 200 |
Insurance receivables |  |  |  | 2,000
Remaining Forty-Vehicle Ferry | Hurricane Ida |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Total charges related to deductibles |  |  | $ 100 |
Shipyard Division |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Reduction of estimated contract price for liquidated damages, amount |  |  |  | $ 1,400

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