XML 139 R51.htm IDEA: XBRL DOCUMENT v3.21.2
Related-Party Transactions - Wholesale Motor Fuel Sales and Real Estate Rentals (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Related Party Transaction [Line Items]        
Rental income $ 21,498 $ 19,747 $ 62,832 $ 62,859
DMS [Member] | Fuel Sales Transaction [Member]        
Related Party Transaction [Line Items]        
Revenue from Related Parties   $ 612   27,127
DMS [Member] | Rental Income [Member]        
Related Party Transaction [Line Items]        
Rental income       $ 1,395