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Employee Cost - Summary of Employee Cost (Detail) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Employee Cost [Abstract]      
Wages and salaries $ 605,708 $ 541,186 $ 453,452
Other remunerations 83,984 73,031 61,527
Social benefits 72,733 64,934 54,003
Severance payments 8,877 13,132 4,464
Labor union fees 18,420 17,673 16,991
Taxes on employee benefits 10,886 9,383 7,832
PTU 7,900 7,804 10,128
Retirement employee benefits 22,735 7,465 16,688
Others 45,825 39,022 38,275
Total employee cost $ 877,068 $ 773,630 $ 663,360