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Equity-Based Compensation - Summary of Equity-Based Award Activity (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Nonvested, Beginning balance 30,014 13,159
Granted 33,193 29,881
Forfeited (717) (694)
Vested/Redeemed (60,449) (12,332)
Nonvested, Ending balance 2,041 30,014
Circle K [Member] | Phantom Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Nonvested, Beginning balance 827 2,620
Vested/Redeemed (827) (1,793)
Nonvested, Ending balance   827
Circle K [Member] | Phantom Performance Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Nonvested, Beginning balance 13,607  
Granted 14,712 14,301
Forfeited (717) (694)
Vested/Redeemed (27,602)  
Nonvested, Ending balance   13,607
Director [Member] | Phantom Units [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Nonvested, Beginning balance 15,580 10,539
Granted 18,481 15,580
Vested/Redeemed (32,020) (10,539)
Nonvested, Ending balance 2,041 15,580