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Costs and expenses by nature: (Details) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Expenses by nature [abstract]      
Termination benefits (Note 18.17) $ 1,984 $ 1,237 $ 1,133
Short term benefits 772,129 531,246 499,035
Employees' statutory profit sharing 6,359 6,126 5,085
Electric power 234,879 108,910 92,737
Maintenance and conservation 401,479 229,904 214,439
Professional fees 217,930 103,918 70,064
Insurance and bonds 86,838 30,157 31,919
Surveillance services 207,303 144,462 125,176
Cleaning services 142,531 90,285 77,274
Technical assistance (Note 15.4) 346,487 288,111 239,175
Right of use of assets under concession (DUAC) [1] 468,695 344,939 291,505
Amortization and depreciation of intangible asset, furniture and equipment 1,166,114 529,660 468,996
Goodwill impairment (Note 8.1) 4,719,096
Consumption of commercial items 252,602 180,636 139,603
Construction services (Note 3.1.3) 1,898,550 2,116,954 2,580,707
Financial assets impairment 45,687    
Other 144,322 114,347 84,852
Total aeronautical and non-aeronautical services costs, costs of construction services and administrative expenses $ 11,112,985 $ 4,820,892 $ 4,921,700
[1] (1) As of December 31, 2017, DUAC by Ps.406,733 correspond to the consideration for the concessions in Mexico, which is equivalent to 5% of the gross revenues of each of the concessions, Ps.56,005 correspond to the consideration for the Airplan concession at 19% of gross revenues for the period from October 19 to December 31, 2017 and Ps.5,957 to the consideration for the Aerostar concession at 5% of the airport's gross receipts for the period from June 1, to December 31, 2017.