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Summary of Impact of Translating Financial Statements of Company's International Subsidiaries (Detail) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2020
Foreign Currency Translation [Line Items] |  |  |
Other comprehensive Loss | $ (9,465) | $ (57,625) |
Brazil |  |  |
Foreign Currency Translation [Line Items] |  |  |
Exchange Rate | 5.72 |  | 5.20
Other comprehensive Loss | $ (6,912) | (42,873) |
Chile |  |  |
Foreign Currency Translation [Line Items] |  |  |
Exchange Rate | 725.34 |  | 714.14
Other comprehensive Loss | $ (1,025) | (11,126) |
Colombia |  |  |
Foreign Currency Translation [Line Items] |  |  |
Exchange Rate | 3,736.91 |  | 3,432.50
Other comprehensive Loss | $ (119) | (3,274) |
Peru |  |  |
Foreign Currency Translation [Line Items] |  |  |
Exchange Rate | 3.79 |  | 3.65
Other comprehensive Loss | $ (1,172) | (1,450) |
Other foreign countries |  |  |
Foreign Currency Translation [Line Items] |  |  |
Other comprehensive Loss | (237) | 1,098 |
International Subsidiaries | Cinemark Holdings, Inc. Stockholders' Equity |  |  |
Foreign Currency Translation [Line Items] |  |  |
Other comprehensive Loss | $ (9,465) | $ (57,625) |

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