Revenues - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Earned rewards, expiration period (in days)	90 days
Trade accounts receivable	$ 276.2	$ 268.5
Receivables related to contracts with customers
Disaggregation of Revenue [Line Items]
Trade accounts receivable	$ 115.0	$ 110.5
Petroleum product sales, rack sales
Disaggregation of Revenue [Line Items]
Collection period (in days)	10 days
Renewable Identification Numbers (RINs) sales
Disaggregation of Revenue [Line Items]
Collection period (in days)	5 days
Minimum | Petroleum product sales (at retail)
Disaggregation of Revenue [Line Items]
Collection period (in days)	2 days
Maximum | Petroleum product sales (at retail)
Disaggregation of Revenue [Line Items]
Collection period (in days)	7 days