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Organization and nature of business (Details) - territory | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Jul. 20, 2016
Schedule of Equity Method Investments [Line Items] |  |
Number of territories with operations | 20 |
Martinique, French Guyana and Guadeloupe |  |
Schedule of Equity Method Investments [Line Items] |  |
Franchise agreement term | 10 years |
Renewed franchise agreement term | 10 years |
Number of territories under renewed franchise agreement |  | 3
Arcos Dorados B.V. |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity interest (as a percent) | 100.00% |

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