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Balances and transactions with related parties: (Details Textual)
$ in Thousands, $ in Thousands
 1 Months Ended 12 Months Ended
Sep. 20, 2017
USD ($)
Dec. 31, 2018
MXN ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
MXN ($)
Dec. 31, 2016
USD ($)
Services expense $ 15,000 $ 310,065   $ 207,303   $ 144,462  
Key management personnel compensation     $ 53,268       $ 16,350
Aerostar [member]              
Key management personnel compensation         $ 34,879    
Inversiones y Tecnicas Aeroportuarias, S. A. de C. V. [member]              
Explanation of nature and extent of renewal and termination options   The agreement is for an initial term of 15 years and renews automatically for subsequent five year periods, unless one of the parts issues the other a cancellation notice within a determined term prior to the programmed expiration date. The Company can only exercise its termination right through a resolution of the shareholders. The agreement is for an initial term of 15 years and renews automatically for subsequent five year periods, unless one of the parts issues the other a cancellation notice within a determined term prior to the programmed expiration date. The Company can only exercise its termination right through a resolution of the shareholders.        
Explanation of significant terms of service concession arrangement that may affect amount, timing and certainty of future cash flows   In accordance with the contract, the Company agreed to pay an annual compensation equivalent to the higher of a fixed amount or 5% of the consolidated income of the Company before deducting the compensation for technical assistance and before the comprehensive financial result, IT, depreciation and amortization, determined in accordance with financial reporting standards applicable in Mexico. Beginning in 2003, the minimum fixed amount is of USD2 million (Ps.29.4 million pesos). In accordance with the contract, the Company agreed to pay an annual compensation equivalent to the higher of a fixed amount or 5% of the consolidated income of the Company before deducting the compensation for technical assistance and before the comprehensive financial result, IT, depreciation and amortization, determined in accordance with financial reporting standards applicable in Mexico. Beginning in 2003, the minimum fixed amount is of USD2 million (Ps.29.4 million pesos).        
Explanation of nature and extent of obligations to provide or rights to expect provision of services   The minimum fixed amount will increase annually by the inflation rate of the United States plus the added value tax over the amount of the payment. The Company entered into an amendment agreement for technical assistance and transfer of knowledge, which establishes that the compensation will be paid on a quarterly basis beginning in January 1, 2008, and that such payments are to be deducted from the annual compensation. The minimum fixed amount will increase annually by the inflation rate of the United States plus the added value tax over the amount of the payment. The Company entered into an amendment agreement for technical assistance and transfer of knowledge, which establishes that the compensation will be paid on a quarterly basis beginning in January 1, 2008, and that such payments are to be deducted from the annual compensation.        
Services expense   $ 386,249   $ 344,487   $ 288,111  
Airplan [Member]              
Key management personnel compensation         $ 3,268