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Revenue, Contract Assets and Liabilities and Other Contract Matters - Summary of Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disaggregation of Revenue [Line Items] |  |
Revenue | $ 151,067 | $ 142,320
Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 53,703 | 55,743
Short-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 97,364 | 86,577
Eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (1,110) | (672)
Eliminations | Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (33) |
Eliminations | Short-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (1,077) | (672)
Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 93,548 | 87,022
Services | Operating Segments | Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 1,618 | 5,035
Services | Operating Segments | Short-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 91,930 | 81,987
Fabrication | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 89,046 | 48,299
Fabrication | Operating Segments | Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 82,535 | 43,037
Fabrication | Operating Segments | Short-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 6,511 | 5,262
Shipyard | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (30,417) | 7,671
Shipyard | Operating Segments | Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (30,417) | 7,671
Fixed-price and unit-rate |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 22,183 | 48,826
Fixed-price and unit-rate | Eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (33) | (7)
Fixed-price and unit-rate | Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 1,618 | 5,035
Fixed-price and unit-rate | Fabrication | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 51,015 | 36,127
Fixed-price and unit-rate | Shipyard | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (30,417) | 7,671
Time And Materials And Cost Reimbursable |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 125,945 | 88,952
Time And Materials And Cost Reimbursable | Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 87,914 | 79,426
Time And Materials And Cost Reimbursable | Fabrication | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 38,031 | 9,526
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 2,939 | 4,542
Other | Eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (1,077) | (665)
Other | Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | $ 4,016 | 2,561
Other | Fabrication | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue |  | $ 2,646

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