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Organization and nature of business (Details) $ in Thousands |  | 1 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 15, 2020 USD ($) | Apr. 15, 2020 | Dec. 31, 2021 | Dec. 31, 2020 USD ($) territory | Dec. 31, 2019 USD ($) | Sep. 30, 2020 USD ($) | Sep. 11, 2020 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Apr. 30, 2017 USD ($) | Jul. 20, 2016 territory
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of territories with operations | territory |  |  |  | 20 |  |  |  |  |  |  |
Percentage of entire restaurant footprint closed (as a percent) |  | 50.00% |  |  |  |  |  |  |  |  |
Percentage of gross sales on advertising and promotion activities |  |  |  | 5.00% | 5.00% |  |  |  |  |  |
Percentage of gross sales of restaurants |  |  |  | 5.00% |  |  |  |  |  |  |
Short-term debt |  |  |  | $ 0 | $ 13,296 | $ 11,000 |  | $ 158,200 | $ 136,000 |  |
2027 Notes |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  | $ 150,000 |  |  | $ 265,000 |
Proceeds from exchange of notes | $ 138,354 |  |  |  |  |  |  |  |  |  |
Scenario, Forecast |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of gross sales of restaurants |  |  | 5.30% |  |  |  |  |  |  |  |
Covid-19 Pandemic |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of gross sales on advertising and promotion activities |  |  |  | 4.00% |  |  |  |  |  |  |
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 | territory |  |  |  |  |  |  |  |  |  |  | 3
Arcos Dorados B.V. |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity interest (as a percent) |  |  |  | 100.00% |  |  |  |  |  |  |

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