XML 61 R53.htm IDEA: XBRL DOCUMENT v3.7.0.1
Sales of Vessels (Details)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 28, 2017
USD ($)
Jan. 31, 2017
vessel
Jun. 30, 2017
USD ($)
vessel
Mar. 31, 2017
USD ($)
vessel
Dec. 31, 2016
USD ($)
Jun. 30, 2016
USD ($)
vessel
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
vessel
Property, Plant and Equipment [Line Items]                
Sale price             $ 40,686 $ 0
(Loss) gain on sale of vessels     $ (142)     $ (6,420) (4,569) (6,420)
Aframax Tanker                
Property, Plant and Equipment [Line Items]                
Loss on sale of vessels     $ 200       $ 4,600  
Number of tankers sold | vessel     1          
Sale price       $ 7,500        
Write-downs       2,800        
Ship-to-ship Support Vessel                
Property, Plant and Equipment [Line Items]                
Number of tankers sold | vessel     1          
Suezmax Tankers                
Property, Plant and Equipment [Line Items]                
Loss on sale of vessels       $ 1,500        
Number of tankers sold | vessel       2        
Sale price $ 1,300              
Suezmaxes Tankers Two                
Property, Plant and Equipment [Line Items]                
Loss on sale of vessels       $ 300        
Number of tankers sold | vessel   1            
Sale price         $ 16,900      
MR Tanker                
Property, Plant and Equipment [Line Items]                
(Loss) gain on sale of vessels           $ (6,400)   $ (6,400)
Conventional Tanker Segment | MR Tanker                
Property, Plant and Equipment [Line Items]                
Number of tankers sold | vessel           1   1