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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, 2024 | Dec. 31, 2023
Disaggregation of Revenue [Line Items] |  |
Revenue | $ 159,199 | $ 151,067
Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 69,232 | 53,703
Short-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 89,967 | 97,364
Eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (905) | (1,110)
Eliminations | Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (6) | (33)
Eliminations | Short-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (899) | (1,077)
Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 87,370 | 93,548
Services | Operating Segments | Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 937 | 1,618
Services | Operating Segments | Short-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 86,433 | 91,930
Fabrication | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 71,673 | 89,046
Fabrication | Operating Segments | Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 67,240 | 82,535
Fabrication | Operating Segments | Short-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 4,433 | 6,511
Shipyard Division | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 1,061 | (30,417)
Shipyard Division | Operating Segments | Long-Term Contract with Customer |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 1,061 | (30,417)
Fixed-price and unit-rate |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 53,305 | 22,183
Fixed-price and unit-rate | Eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (6) | (33)
Fixed-price and unit-rate | Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 937 | 1,618
Fixed-price and unit-rate | Fabrication | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 51,313 | 51,015
Fixed-price and unit-rate | Shipyard Division | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 1,061 | (30,417)
T&M and cost-reimbursable |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 103,902 | 125,945
T&M and cost-reimbursable | Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 83,542 | 87,914
T&M and cost-reimbursable | Fabrication | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 20,360 | 38,031
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | 1,992 | 2,939
Other | Eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | (899) | (1,077)
Other | Services | Operating Segments |  |
Disaggregation of Revenue [Line Items] |  |
Revenue | $ 2,891 | $ 4,016

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