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Related Party Transactions - Revenues from Wholesale Fuel Sales and Real Property Rental Income from Circle K (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Related Party Transaction [Line Items]      
Rental income $ 83,182 $ 83,233 $ 90,139
Circle K Stores Inc. [Member] | Fuel Sales Transaction [Member]      
Related Party Transaction [Line Items]      
Revenue from Related Parties 146,444 97,040 153,055
Circle K Stores Inc. [Member] | Rental Income [Member]      
Related Party Transaction [Line Items]      
Rental income $ 2,891 $ 5,641 $ 13,898