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Foreign Currency Transactions - Summary of Exchange Rate in Effect (Detail) | Feb. 24, 2021 Exchange_Rate | Dec. 31, 2019 Exchange_Rate | Dec. 04, 2019 $ / $ | Dec. 31, 2018 Exchange_Rate | Jun. 12, 2018 $ / $ | Dec. 31, 2017 Exchange_Rate | Mar. 23, 2017 $ / $
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Foreign currency transactions [Line Items] |  |  |  |  |  |  |
Mexican pesos per one U.S. dollar |  | 19.9487 | 19.1785 | 18.8452 | 19.0115 | 19.6829 | 19.4942
Exchange rates in effect [Member] |  |  |  |  |  |  |
Foreign currency transactions [Line Items] |  |  |  |  |  |  |
Mexican pesos per one U.S. dollar | 20.6783 |  |  |  |  |  |

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