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Summary of significant accounting policies - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Summary Of Significant Accounting Policies [Line Items] |  |  |
Value added tax and other tax receivable | $ 23,211 | $ 21,172 |
Supplier finance obligation | $ 14,849 | 13,650 | $ 24,149
Lease term for most restaurants | 17 years |  |
Equity method investment, realized gain (loss) | $ 54 | 1,492 | 1,131
Equity method investments | $ 14,346 | 18,111 |
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] | Accounts payable |  |
Argentina |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Non-monetary asset | $ 179,700 |  |
Venezuela |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Non-monetary asset | 20,600 |  |
Company-operated restaurants |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Advertising costs | 184,145 | 175,043 | 148,776
Franchised operations |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Advertising costs | $ 52,761 | $ 51,054 | $ 44,088
Internal used software |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Finite-lived intangible asset, useful life | 3 years |  |
Minimum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Supplier payment period | 15 days |  |
Minimum | Third party financial institutions |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Supplier payment period | 45 days |  |
Minimum | Equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, useful life | 3 years |  |
Maximum |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Supplier payment period | 180 days |  |
Maximum | Third party financial institutions |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Supplier payment period | 180 days |  |
Maximum | Building |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, useful life | 40 years |  |
Maximum | Equipment |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Property and equipment, useful life | 10 years |  |

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