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Summary of Impact of Translating Financial Statements of Company's International Subsidiaries (Detail) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2020 USD ($) | Dec. 31, 2020
Foreign Currency Translation [Line Items] |  |  |  |  |
Other comprehensive Loss | $ (13,804) | $ (1,503) | $ (15,010) | $ (62,830) |
Brazil |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |
Exchange Rate | 5.43 |  | 5.43 |  | 5.20
Other comprehensive Loss |  |  | $ (3,368) | (51,453) |
Chile |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |
Exchange Rate | 811.13 |  | 811.13 |  | 714.14
Other comprehensive Loss |  |  | $ (7,967) | (5,046) |
Colombia |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |
Exchange Rate | 3,834.68 |  | 3,834.68 |  | 3,432.50
Other comprehensive Loss |  |  | $ (140) | (2,584) |
Peru |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |
Exchange Rate | 4.16 |  | 4.16 |  | 3.65
Other comprehensive Loss |  |  | $ (3,609) | (3,187) |
Other foreign countries |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |
Other comprehensive Loss |  |  | (74) | (560) |
International Subsidiaries | Cinemark Holdings, Inc. Stockholders' Equity |  |  |  |  |
Foreign Currency Translation [Line Items] |  |  |  |  |
Other comprehensive Loss |  |  | $ (15,010) | $ (62,830) |

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