Quarterly report [Sections 13 or 15(d)]

General - Additional Information (Details)

v3.26.3
General - Additional Information (Details)
$ / shares in Units, $ in Millions
 9 Months Ended
Mar. 09, 2026
USD ($)
Mar. 05, 2026
shares
Feb. 13, 2026
USD ($)
$ / shares
shares
Sep. 30, 2026
Sites
States
Segments
$ / shares
Dec. 31, 2025
$ / shares
General [Line Items]          
Number of self operated sites | Sites       1,038  
Number of sites operated by external operators (dealers) | Sites       2,124  
Number of cardlock sites | Sites       294  
Number of states | States       30  
Common stock par value       $ 0.0001 $ 0.0001
Retail, Wholesale, Fleet Fueling, and GPMP [Member]          
General [Line Items]          
Number of reportable segments | Segments       4  
Common Class A [Member] | ARKO Petroleum Corp [Member]          
General [Line Items]          
Common stock par value     $ 0.0001    
Common Class A [Member] | ARKO Petroleum Corp [Member] | Over-Allotment Option [Member]          
General [Line Items]          
Number of share options to exercised | shares     1,459,112    
Net proceeds received on the transaction | $     $ 206.8    
Common Class A [Member] | ARKO Petroleum Corp [Member] | Initial Public Offering [Member]          
General [Line Items]          
Issuance of common stock | shares     11,111,111    
Sale of stock issue price per share     $ 18    
Number of share options to exercised | shares   1,459,112      
Net proceeds received on the transaction | $ $ 206.8        
Common Class B [Member] | ARKO Petroleum Corp [Member]          
General [Line Items]          
Common stock par value     $ 0.0001    
Owned equity rights     73.60% 73.60%  
Common Stock A and B [Member] | ARKO Petroleum Corp [Member] | Over-Allotment Option [Member]          
General [Line Items]          
Ownership percentage economic interests     93.30%