Segment Disclosures (Details) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2017
USD ($)
segment
|
Jun. 30, 2016
USD ($)
|
Jun. 30, 2017
USD ($)
segment
|
Jun. 30, 2016
USD ($)
|
Dec. 31, 2016
USD ($)
|
|
| Segment Reporting Information [Line Items] | |||||
| Number of operating divisions | segment | 3 | 3 | |||
| Revenue | $ 45,868 | $ 81,502 | $ 83,860 | $ 165,481 | |
| Gross profit (loss) | (11,620) | 14,066 | (16,518) | 19,767 | |
| Operating income (loss) | (16,260) | 9,004 | (25,477) | 10,220 | |
| Total assets | 307,586 | 342,031 | 307,586 | 342,031 | $ 322,408 |
| Depreciation and amortization expense | 2,776 | 6,311 | 7,476 | 12,878 | |
| Capital expenditures | 1,433 | 2,566 | 1,824 | 3,290 | |
| Recognition of deferred revenue | 335 | 1,500 | 1,887 | 2,654 | |
| Operating Segments | Fabrication | |||||
| Segment Reporting Information [Line Items] | |||||
| Revenue | 13,990 | 24,296 | 24,199 | 48,125 | |
| Gross profit (loss) | 1,931 | 3,877 | (1,034) | 3,964 | |
| Operating income (loss) | 1,098 | 2,747 | (2,688) | 2,028 | |
| Total assets | 201,284 | 290,910 | 201,284 | 290,910 | |
| Depreciation and amortization expense | 1,152 | 4,589 | 4,287 | 9,444 | |
| Capital expenditures | 746 | 1,201 | 848 | 1,311 | |
| Operating Segments | Shipyards | |||||
| Segment Reporting Information [Line Items] | |||||
| Revenue | 18,303 | 29,373 | 36,724 | 63,493 | |
| Gross profit (loss) | (13,851) | 5,423 | (15,556) | 7,797 | |
| Operating income (loss) | (14,834) | 3,963 | (17,892) | 5,047 | |
| Total assets | 57,905 | 81,874 | 57,905 | 81,874 | |
| Depreciation and amortization expense | 994 | 1,161 | 2,004 | 2,327 | |
| Capital expenditures | 546 | 181 | 818 | 216 | |
| Operating Segments | Services | |||||
| Segment Reporting Information [Line Items] | |||||
| Revenue | 15,396 | 28,692 | 26,107 | 55,251 | |
| Gross profit (loss) | 390 | 4,864 | 423 | 8,240 | |
| Operating income (loss) | (257) | 4,064 | (890) | 6,721 | |
| Total assets | 98,367 | 100,197 | 98,367 | 100,197 | |
| Depreciation and amortization expense | 421 | 456 | 854 | 898 | |
| Capital expenditures | 106 | 505 | 106 | 1,047 | |
| Corporate | |||||
| Segment Reporting Information [Line Items] | |||||
| Revenue | 0 | 0 | 0 | 0 | |
| Gross profit (loss) | (90) | (98) | (351) | (234) | |
| Operating income (loss) | (2,267) | (1,770) | (4,007) | (3,576) | |
| Total assets | 259,175 | 334,946 | 259,175 | 334,946 | |
| Depreciation and amortization expense | 209 | 105 | 331 | 209 | |
| Capital expenditures | 35 | 679 | 52 | 716 | |
| Eliminations | |||||
| Segment Reporting Information [Line Items] | |||||
| Revenue | (1,821) | (859) | (3,170) | (1,388) | |
| Gross profit (loss) | 0 | 0 | 0 | 0 | |
| Operating income (loss) | 0 | 0 | 0 | 0 | |
| Total assets | (309,145) | (465,896) | (309,145) | (465,896) | |
| Depreciation and amortization expense | 0 | 0 | 0 | 0 | |
| Capital expenditures | $ 0 | $ 0 | $ 0 | $ 0 | |