Quarterly report pursuant to Section 13 or 15(d)

Other Assets (Details Textual)

v3.19.2
Other Assets (Details Textual) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
RIN    
Inventory [Line Items]    
Inventory adjustment $ 0 $ 630