ARKO Corp. Quarterly report [Sections 13 or 15(d)]

Leases - Additional Information (Details) $ in Millions	3 Months Ended		9 Months Ended
Leases - Additional Information (Details) $ in Millions	Sep. 30, 2026 USD ($) Dealer Cardlock Store	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) Dealer Cardlock Store	Sep. 30, 2025 USD ($)
Lessee, Lease, Description [Line Items]
Leases description			the Company leased 843 of its retail stores, 566 dealer locations, 157 cardlock locations, former store locations, and certain office and storage spaces, including land and buildings in certain cases
Number of leased convenience stores \| Store	843		843
Number of leased dealer locations \| Dealer	566		566
Number of leased cardlock locations \| Cardlock	157		157
Leases and subleases period			10 years
Operating lease income \| $	$ 17.5	$ 13.9	$ 51.0	$ 37.1
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]			Revenue from Contract with Customer, Including Assessed Tax	Revenue from Contract with Customer, Including Assessed Tax
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lease agreements period			20 years
Lease renewal terms			25 years
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease agreements period			15 years
Lease renewal terms			5 years