Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Inventories
Inventories	$ 344,026	$ 450,482
Positive exchange balances	5,700	9,200
Negative exchange balances	5,400	17,600
Distillates, home heating oil, diesel and kerosene
Inventories
Inventories	173,970	222,202
Gasoline
Inventories
Inventories	72,417	120,958
Gasoline blendstocks
Inventories
Inventories	30,490	39,702
Crude Oil
Inventories
Inventories	22,315	16,018
Residual oil
Inventories
Inventories	21,786	26,521
Propane and other
Inventories
Inventories	45	1,356
Renewable identification numbers (RINs)
Inventories
Inventories	687	1,329
Convenience store inventory
Inventories
Inventories	$ 22,316	$ 22,396