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v3.23.3

Revenue, Contract Assets and Liabilities and Other Contract Matters - Additional Information (Details) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) Vechicle | Sep. 30, 2022 USD ($) | Jan. 01, 2023 USD ($) | Dec. 31, 2022 USD ($)
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Recognized income associated with revisions to allowance for doubtful accounts | $ 200,000 |  | $ 400,000 |  |  |
Allowance for doubtful accounts and credit losses | 200,000 |  | 200,000 |  |  |
Increase to beginning accumulated deficit | (48,463,000) |  | (48,463,000) |  |  | $ (16,339,000)
Litigation Settlement, Expense | 32,500,000 |  | 32,500,000 |  |  |
Future repair costs associated with insurance payments received for buildings |  |  | 500,000 |  |  |
Accounts receivable | 5,000,000 |  | 5,000,000 |  |  |
ASU 2016-13 |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Increase to beginning accumulated deficit |  |  |  |  | $ 600,000 |
MPSV Litigation |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Litigation Settlement, Expense | 32,500,000 |  | $ 32,500,000 |  |  |
Hurricane Ida |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Date of landfall |  |  | Aug. 29, 2021 |  |  |
Impact of Hurricane Ida, description |  |  | On August 29, 2021, Hurricane Ida made landfall near Houma, Louisiana as a high-end Category 4 hurricane, with high winds and heavy rains causing damage to buildings and equipment at our Houma Facilities and resulting in significant debris throughout the facility. |  |  |
Insurance payments received |  |  | $ 2,200,000 | $ 7,000,000 |  |
Gain on interruptions insurance recovery | 300,000 | $ 600,000 |  |  |  |
Gain on insurance recovery |  | $ 1,300,000 | 500,000 | 4,400,000 |  |
Insurance receivables | 0.1 |  | $ 0.1 |  |  |
Forty-Vehicle Ferry |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Number of vehicle ferry projects with rework and construction challenges. | Vechicle |  |  | 2 |  |  |
Change in estimated margins | 300,000 |  | $ 500,000 |  |  |
Seventy-Vehicle Ferry |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Reserve for loss | 100,000 |  | 100,000 |  |  |
Change in estimated margins | 1,200,000 |  | 1,800,000 |  |  |
Remaining Forty-Vehicle Ferry | Hurricane Ida |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Total charges related to deductibles | 100,000 |  | 400,000 | $ 200,000 |  |
Forty Vehicle Ferry Projects |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Reserve for loss | 300,000 |  | 300,000 |  |  |
Shipyard |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Reduction of estimated contract price for liquidated damages, amount | 1,500,000 |  | 1,500,000 |  |  | $ 1,400,000
Change in estimated margins | 1,500,000 |  | 2,300,000 |  |  |
Fabrication |  |  |  |  |  |
Long Term Contracts Or Programs Disclosure [Line Items] |  |  |  |  |  |
Change in estimated margins | $ 700,000 |  | $ 700,000 |  |  |

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