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Leases - Additional Information (Details) | 6 Months Ended
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Jun. 30, 2021 Store Dealer
Lessee, Lease, Description [Line Items] |
Leases description | the Company leased 1,172 of the convenience stores that it operates, 159 dealer locations and certain office spaces in the U.S., including land and buildings in certain cases
Number of leased convenience stores | Store | 1,172
Number of dealer locations | Dealer | 159
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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- Definition Lessee Operating And Finance Lease Description + References No definition available. + Details
Name: | arko_LesseeOperatingAndFinanceLeaseDescription
Namespace Prefix: | arko_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Lessee Operating And Finance Lease Renewal Term. + References No definition available. + Details
Name: | arko_LesseeOperatingAndFinanceLeaseRenewalTerm
Namespace Prefix: | arko_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Lessee Operating And Finance Lease Term Of Contract. + References No definition available. + Details
Name: | arko_LesseeOperatingAndFinanceLeaseTermOfContract
Namespace Prefix: | arko_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Number of leased dealer locations. + References No definition available. + Details
Name: | arko_NumberOfDealerLocations
Namespace Prefix: | arko_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Number of leased convenience stores + References No definition available. + Details
Name: | arko_NumberOfLeasedConvenienceStores
Namespace Prefix: | arko_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |