Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Additional Information (Details)

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Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Oct. 05, 2025
USD ($)
Jul. 04, 2025
Dec. 31, 2025
USD ($)
Store
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Jan. 31, 2014
Schedule Of Accounting Policies [Line Items]              
Cash equivalents     $ 285,400,000 $ 211,500,000      
Cash and cash equivalents     305,004,000 261,758,000 $ 218,120,000 $ 298,529,000  
FDIC amount     $ 250,000,000        
Description of trade receivables, period     Balances due in respect of credit cards processed through the Company’s fuel suppliers and other providers are collected within two to three days depending upon the day of the week, and time of day, of the purchase. Receivables from dealers and customer credit accounts are typically due within one to 30 days and are stated as amounts due. Accounts that are outstanding longer than the payment terms are considered past due.        
Trade receivables, net     $ 87,331,000 95,832,000 134,700,000    
Receivable Write Offs     0 0 0    
Impairment losses related to property and equipment and right-of-use assets     8,700,000 7,000,000 7,900,000    
Impairment recognized for long-lived intangible assets     0 0 0    
Impairment for goodwill     $ 0 0 0    
Convenience stores | Store     64        
Capitalized costs     $ 8,200,000 6,700,000 4,400,000    
Contract cost, amortization period     1 year        
Advertising costs, net of co-op advertising reimbursement     $ 6,700,000 6,800,000 5,100,000    
Percentage of realization settlement related to Uncertain tax positions     50.00%        
Contribution percentage of retirement plan for employees     75.00%        
Deferred compensation plan     90.00%        
Defined contribution plan, expense for matching contributions     $ 1,600,000 1,800,000 1,500,000    
Percentage of bonus depreciation   100.00%          
Fuel Cost [Member]              
Schedule Of Accounting Policies [Line Items]              
Amortization expense     1,800,000 1,800,000 1,400,000    
Amortization Expense [Member]              
Schedule Of Accounting Policies [Line Items]              
Amortization expense     6,400,000 5,100,000 4,000,000    
Other Current Liabilities [Member]              
Schedule Of Accounting Policies [Line Items]              
Contract liability for customer loyalty program     900,000 1,200,000      
Prepaid Incentives [Member]              
Schedule Of Accounting Policies [Line Items]              
Capitalized costs     $ 51,800,000 $ 43,800,000 $ 37,900,000    
GPM [Member]              
Schedule Of Accounting Policies [Line Items]              
Minority interest ownership percentage     100.00% 100.00%      
Ligad Investments And Construction Ltd              
Schedule Of Accounting Policies [Line Items]              
Consideration of fixed lease payment     $ 300,000        
Amount related to sale of properties to third party $ 7,100,000            
Option agreement, exercisable date     Feb. 28, 2026        
Ligad Investments And Construction Ltd | Ligad Investments and Construction Ltd.              
Schedule Of Accounting Policies [Line Items]              
Owned equity rights             50.00%
New Israeli Shekels              
Schedule Of Accounting Policies [Line Items]              
Cash and cash equivalents     $ 600,000 $ 500,000