XML 181 R169.htm IDEA: XBRL DOCUMENT v3.8.0.1
Transactions with Related Parties - Summary of Revenues (Expenses) with Other Related Parties (Detail) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Especialistas en Alta Cocina, S.A. de C.V. [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Commercial revenues $ 28,093 $ 18,374 $ 15,500
Mayo 13, S.A. de C.V. [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Commercial revenues 10,042 5,341 $ 3,328
Ingeniería y Economía del Transporte, S.A. [Member]      
Disclosure Of Transactions Between Related Parties [Line Items]      
Technical advisory $ 14,637 $ 5,238