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Revenue, Contract Assets and Liabilities and Other Contract Matters - Additional Information (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) Vechicle | Dec. 31, 2022 USD ($) Vechicle | Jan. 01, 2023 USD ($)
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Recognized income associated with revisions to allowance for doubtful accounts |  | $ 400 |  |
Allowance for doubtful accounts and credit losses |  | 200 |  |
Increase to beginning accumulated deficit |  | $ (41,373) | $ (16,339) |
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. Our insurance coverages in effect at the time of the storm generally specified coverage amounts for each of our buildings (including contents) and major equipment. |  |
Insurance payments received |  | $ 2,200 | 13,100 |
Gain on insurance recovery |  | 2,000 | 7,500 |
Gain on interruptions insurance recovery |  | 600 | 3,700 |
Insurance receivables |  | 2,000 |  |
Seventy-Vehicle Ferry |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Change in estimated margins |  | 1,300 | 900 |
Forty-Vehicle Ferry |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Change in estimated margins |  | $ 1,400 | $ 1,100 |
Number of vehicle ferry projects with rework and construction challenges. | Vechicle |  | 2 |  |
Number of vehicle ferry projects | Vechicle |  |  | 2 |
Remaining Forty-Vehicle Ferry | Hurricane Ida |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Total charges related to deductibles |  | $ 500 | $ 200 |
Shipyard |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Reduction of estimated contract price for liquidated damages, amount |  | 1,400 | 1,400 |
Change in estimated margins |  | 2,700 | $ 2,000 |
ASU 2016-13 |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Increase to beginning accumulated deficit |  |  |  | $ 600
MPSV Litigation |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Litigation Settlement, Expense |  | 32,500 |  |
MPSV Litigation | Shipyard |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |
Litigation Settlement, Expense |  | $ 32,500 |  |

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