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Commitment and Contingencies - Letters of Credit (Details) $ in Thousands | Dec. 31, 2021 USD ($)
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Itaú |
Line of Credit Facility [Line Items] |
Letters of credit | $ 15
Required Maximum Ratio | 1.35
Itaú | Maximum |
Line of Credit Facility [Line Items] |
Required Maximum Ratio | 4.5
Credit Suisse |
Line of Credit Facility [Line Items] |
Letters of credit | $ 45
Required Maximum Ratio | 1.42
Credit Suisse | Maximum |
Line of Credit Facility [Line Items] |
Required Maximum Ratio | 4
JPMorgan |
Line of Credit Facility [Line Items] |
Letters of credit | $ 20
Required Maximum Ratio | 1.42
JPMorgan | Maximum |
Line of Credit Facility [Line Items] |
Required Maximum Ratio | 4.5

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- Definition Debt to EBITDA ratio + References No definition available. + Details
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Namespace Prefix: | arco_
Data Type: | xbrli:pureItemType
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_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |