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Acquisition of Assets From 7-Eleven - Summary of Pro forma Results (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Business Acquisition Pro Forma Information [Abstract]        
Revenues $ 1,119,219 $ 711,413 $ 2,911,962 $ 1,717,596
Net income $ 9,805 $ 29,702 $ 22,740 $ 125,625