Quarterly report [Sections 13 or 15(d)]

Segment Reporting - Additional Information (Details)

v3.26.1
Segment Reporting - Additional Information (Details) - $ / Gallons
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Segment Reporting Information [Line Items]    
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] srt:BoardOfDirectorsChairmanMember, srt:ChiefExecutiveOfficerMember, srt:PresidentMember  
Fixed margin 6 5
Fleet Fueling    
Segment Reporting Information [Line Items]    
Fixed margin 6 5