Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Remaining Performance Obligation by Segment (Details)

v3.10.0.1
Revenue Recognition - Remaining Performance Obligation by Segment (Details)
$ in Thousands
Jun. 30, 2018
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation $ 306,409
Intersegment eliminations  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation (193)
Fabrication | Operating Segments  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 1,871
Shipyard | Operating Segments  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 295,506
Shipyard | Operating Segments | Disputed  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 30,200
Services | Operating Segments  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation 7,607
EPC | Operating Segments  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation $ 1,618