XML 56 R43.htm IDEA: XBRL DOCUMENT v3.21.1
Related-Party Transactions - Wholesale Motor Fuel Sales and Real Estate Rentals (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Related Party Transaction [Line Items]    
Rental income $ 20,472 $ 22,688
DMS [Member] | Fuel Sales Transaction [Member]    
Related Party Transaction [Line Items]    
Revenue from Related Parties 22,109  
DMS [Member] | Rental Income [Member]    
Related Party Transaction [Line Items]    
Rental income $ 1,213