Environmental Liabilities and RIN (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Changes in environmental liabilities during the period
Balance at the beginning of the period	$ 63,224
Payments	(3,442)
Dispositions	(1,425)
Other adjustments	914
Balance at the end of the period	59,271
Environmental liabilities
Current portion		$ 5,009	$ 6,092
Long-term portion		54,262	57,132
Total environmental liabilities	$ 59,271	59,271	63,224
Renewable Identification Numbers (RINs)
Settlement period of RVO	1 year
RVO deficiency		900	600
Retail Gasoline Stations
Changes in environmental liabilities during the period
Balance at the beginning of the period	$ 59,133
Payments	(3,129)
Dispositions	(1,425)
Other adjustments	914
Balance at the end of the period	55,493
Environmental liabilities
Total environmental liabilities	55,493	55,493	59,133
Terminals
Changes in environmental liabilities during the period
Balance at the beginning of the period	4,091
Payments	(313)
Balance at the end of the period	3,778
Environmental liabilities
Total environmental liabilities	$ 3,778	$ 3,778	$ 4,091