Leases - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($) Dealer Cardlock	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) Dealer Cardlock Sites	Jun. 30, 2025 USD ($)
Lessee, Lease, Description [Line Items]
Leases description			ARKO Parent and the Company collectively leased 557 dealer locations, 155 cardlock locations, former store locations, and certain office and storage spaces, including land and buildings in certain cases
Number of leased dealer locations | Dealer	557		557
Leases and subleases period			10 years
Operating lease income	$ 15.5	$ 10.6	$ 30.8	$ 20.1
Number of leased dealer and cardlock locations | Dealer	181		181
Number of sites leased from third party lessors | Sites			233
Number of sites leased attributable to the business | Sites			133
Lease liabilities related to joint and several agreements	$ 336.0		$ 336.0
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	Revenue from Contract with Customer, Including Assessed Tax	Revenue from Contract with Customer, Including Assessed Tax
ARKO Parent [Member]
Lessee, Lease, Description [Line Items]
Number of leased cardlock locations | Cardlock	155		155
Lease liabilities related to joint and several agreements	$ 160.2		$ 160.2
Maximum | ARKO Parent [Member]
Lessee, Lease, Description [Line Items]
Lease agreements period			20 years
Lease renewal terms			25 years
Minimum | ARKO Parent [Member]
Lessee, Lease, Description [Line Items]
Lease agreements period			15 years
Lease renewal terms			5 years