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Balances and transactions with related parties: (Details 2) - Key management personnel of entity or parent [member] - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Short-term salaries and other benefits paid to key personnel (Note 18.17) | [1] | $ 119,202 | $ 84,642 | $ 40,062
Fees paid to the Board of Directors and Committees |  | $ 8,695 | $ 4,974 | $ 4,766
[1] | In 2018, 2017 and 2016, includes cost of Ps.53,268, Ps.34,879, and Ps.16,350 and Ps.3,268, respectively by key personnel of directors of Aerostar and Airplan, who as of June 1, 2018 and October 19, 2017, respectively, were consolidated into the Company.

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- Definition The amount of compensation to key management personnel in the form offees. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2018-01-01 -Paragraph 17 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2018-03-01&anchor=para_17_a&doctype=Standard -URIDate 2018-03-16 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Data Type: | na
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