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Investment in associate - Schedule of Condensed Statement of Comprehensive (Loss ) Profit (Detail) - MXN ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure Of Significant Investments In Associates [Line Items]      
Revenues $ 14,122,890 $ 12,365,918 $ 11,107,561
Profit of the year 5,138,631 4,731,081 3,353,559
SCL Terminal Aerea De Santiago S. A. [Member]      
Disclosure Of Significant Investments In Associates [Line Items]      
Revenues 1,773 56,373 13,629
Costs, expenses and income taxes 8,184 37,043 93,030
Profit of the year $ (6,411) $ 19,330 $ (79,401)