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Overview: (Details) - MXN ($)
$ in Thousands
Dec. 31, 2017
Oct. 19, 2017
Sep. 30, 2017
May 26, 2017
Non-controlling interest at the business combination date   $ 310,827    
Total purchase consideration   $ 4,100,624 $ 3,789,797  
Aerostar [Member]        
Cash paid       $ 726,628
Previous benefit acquired by departure of the previous shareholder       848,923
Consideration on May 26, 2017       1,575,551
Fair value of share capital held in Aerostar prior to the business combination       7,877,756
Non-controlling interest at the business combination date $ 6,302,205     6,302,205
Total purchase consideration       $ 15,755,512