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Income Taxes - Summary of Deferred Income Tax from Tax Loss Carryforwards (Detail) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure Of Tax Loss Carryforwards [Abstract] |  |  |
Tax loss carryforwards | $ 1,162,441 | $ 1,278,180 | $ 1,517,650
Unrecognized tax loss carryforwards | (784,917) | (708,212) | (737,766)
Recognized tax loss carryforwards | $ 377,524 | $ 569,968 | $ 779,884

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