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v3.25.3

Segment Reporting - Schedule of Reconciliation of Operating Income from Reportable Segments to Consolidated Loss Before Income Taxes (Parenthetical) (Details) | 9 Months Ended
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Sep. 30, 2025 $ / gal
Segment Reporting [Abstract] |
Fixed margin | 5

X
- Definition Fixed margin. + References No definition available. + Details
Name: | arko_FixedMargin
Namespace Prefix: | arko_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration