XML 118 R85.htm IDEA: XBRL DOCUMENT
v3.19.1

Derivative instruments (Coupon-only Swap) (Details) - Subsidiaries - Coupon-only Swap - Cash Flow Hedging R$ in Thousands, $ in Thousands | Apr. 30, 2017 BRL (R$) | Apr. 30, 2017 USD ($)
--- | --- | ---
Citibank S.A. | Payable |  |
Derivative [Line Items] |  |
Notional Amount | R$ | R$ 155,500 |
Citibank S.A. | Receivable |  |
Derivative [Line Items] |  |
Notional Amount | $ |  | $ 50,000
Interest rate (as a percent) | 6.91% | 6.91%
JP Morgan S.A. | Payable |  |
Derivative [Line Items] |  |
Notional Amount | R$ | R$ 156,250 |
JP Morgan S.A. | Receivable |  |
Derivative [Line Items] |  |
Notional Amount | $ |  | $ 50,000
Interest rate (as a percent) | 6.91% | 6.91%
Brazil Real | Citibank S.A. | Payable |  |
Derivative [Line Items] |  |
Interest rate (as a percent) | 11.08% | 11.08%
Brazil Real | JP Morgan S.A. | Payable |  |
Derivative [Line Items] |  |
Interest rate (as a percent) | 11.18% | 11.18%

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=arco_CitibankS.A.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_ShortMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PositionAxis=us-gaap_LongMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=arco_JPMorganS.A.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_BRL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |