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Income tax incurred and deferred: IT Provision (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure by geographical areas:      
Deferred IT   $ 932 $ 932
IT provision $ 1,978,102 1,795,961 1,635,447
Mexico      
Disclosure by geographical areas:      
Current IT 1,864,384 1,766,083 1,908,646
Deferred IT 57,023 13,116 (312,091)
IT provision 1,921,407 1,779,199 1,596,555
Puerto Rico (Aerostar)      
Disclosure by geographical areas:      
Current IT 433    
Deferred IT 38,146 33,879 28,678
IT provision 38,579 33,879 28,678
Colombia (Airplan)      
Disclosure by geographical areas:      
Current IT 110,910 (20,098) 19,551
Deferred IT (92,794) 2,981 (9,337)
IT provision $ 18,116 $ (17,117) $ 10,214