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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, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure Of Tax Loss Carryforwards [Abstract] |  |  |
Tax loss carryforwards | $ 1,070,673 | $ 1,162,441 | $ 1,278,180
Unrecognized tax loss carryforwards | (899,659) | (784,917) | (708,212)
Recognized tax loss carryforwards | $ 171,014 | $ 377,524 | $ 569,968

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