Quarterly report pursuant to Section 13 or 15(d)

Revenue, Contract Assets and Liabilities and Other Contract Matters - Summary of Remaining Performance Obligations, Disaggregated by Operating Segment and Contract Type (Details)

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Revenue, Contract Assets and Liabilities and Other Contract Matters - Summary of Remaining Performance Obligations, Disaggregated by Operating Segment and Contract Type (Details)
$ in Thousands
Sep. 30, 2024
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation $ 11,696
Fixed-price and unit-rate  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 6,381
T&M and cost-reimbursable  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 5,315
Operating Segments | Services  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 22
Operating Segments | Fabrication  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 11,548
Operating Segments | Shipyard Division  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 126 [1]
Operating Segments | Fixed-price and unit-rate | Services  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 22
Operating Segments | Fixed-price and unit-rate | Fabrication  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 6,233
Operating Segments | Fixed-price and unit-rate | Shipyard Division  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 126 [1]
Operating Segments | T&M and cost-reimbursable | Fabrication  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation $ 5,315
[1] Future performance obligations for our Shipyard Division relate to potential repairs and rework during the warranty periods for our Ferry Projects. See “Changes in Project Estimates” below for further discussion of the warranty periods for our Ferry Projects.