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Basis of Presentation - Additional Information (Detail) - MXN ($)
$ in Thousands
Dec. 31, 2018
Jan. 01, 2018
Disclosure Of Basis Of Presentation [Abstract]    
Weighted average incremental borrowing rate applied to lease liabilities   8.23%
Assets for right of use $ 46,696 $ 62,268
Liability for assets in leases $ 48,199 $ 58,011