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Cost of Improvements to Concession Assets - Summary of Cost of Improvements to Concession Assets (Detail) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cost Of Improvements To Concession Assets [Abstract]      
Cost of improvements to concession assets $ 2,192,578 $ 1,906,801 $ 1,440,204