v3.19.3.a.u2
GOODWILL Narrative (Details) - USD ($)
3 Months Ended
Nov. 30, 2018
Oct. 01, 2018
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Goodwill [Line Items]            
Goodwill allocated to European Operations $ 57,700,000          
Goodwill impairment loss   $ 0        
Goodwill       $ 1,005,853,000 $ 1,005,853,000 $ 1,008,667,000
Goodwill, accumulated impairment loss, continuing operations       $ 0    
St. Eustatius Bunkers [Member]            
Goodwill [Line Items]            
Goodwill impairment loss     $ 31,100,000      
Goodwill     $ 0