Quarterly report pursuant to Section 13 or 15(d)

ASSETS HELD FOR SALE - Narrative (Details)

v3.7.0.1
ASSETS HELD FOR SALE - Narrative (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
a
Long Lived Assets Held-for-sale [Line Items]  
Property, plan and equipment held for sale $ 110,545
South Texas Fabrication Yards  
Long Lived Assets Held-for-sale [Line Items]  
Property, plan and equipment held for sale 105,038
Prospect Shipyard  
Long Lived Assets Held-for-sale [Line Items]  
Property, plan and equipment held for sale $ 5,507
Area of leased facility | a 35
Impairment of assets held for sale $ 389