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Leases - Additional Information (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 USD ($) Dealer Cardlock Store | Jun. 30, 2025 USD ($) | Jun. 30, 2026 USD ($) Dealer Cardlock Store | Jun. 30, 2025 USD ($)
Lessee, Lease, Description [Line Items] |  |  |  |
Leases description |  |  | the Company leased 860 of its retail stores, 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 convenience stores | Store | 860 |  | 860 |
Number of leased dealer locations | Dealer | 557 |  | 557 |
Number of leased cardlock locations | Cardlock | 155 |  | 155 |
Leases and subleases period |  |  | 10 years |
Operating lease income | $ | $ 16.9 | $ 12.2 | $ 33.5 | $ 23.2
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 |

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