Annual report pursuant to Section 13 and 15(d)

Goodwill Goodwill Textuals (Details)

v3.6.0.2
Goodwill Goodwill Textuals (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Goodwill      
Loss on impairment of goodwill $ 0 $ 39,028 $ 0
Asphalt      
Goodwill      
Goodwill, Written off Related to Sale of Business Unit     $ 4,030
Refining and Marketing      
Goodwill      
Loss on impairment of goodwill   $ 39,028