XML 121 R100.htm IDEA: XBRL DOCUMENT v3.8.0.1
VESSELS AND EQUIPMENT, NET (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Components of vessels and equipment, net:      
Cost $ 2,431,136 $ 2,438,720  
Accumulated depreciation (354,077) (284,889)  
Net book value 2,077,059 2,153,831  
Depreciation and amortization expense 76,522 72,972 $ 73,732
Vessels and equipment      
Components of vessels and equipment, net:      
Depreciation and amortization expense 76,500 73,000 $ 73,700
Drydocking      
Components of vessels and equipment, net:      
Cost 37,400 44,700  
Accumulated depreciation (24,300) (22,700)  
Vessels      
Components of vessels and equipment, net:      
Amounts pledged as collateral 2,032,700 2,106,100  
Office equipment      
Components of vessels and equipment, net:      
Cost $ 3,900 $ 3,900