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Income tax incurred and deferred: (Details Textual) $ in Thousands, $ in Thousands | 2 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2017 MXN ($) | Dec. 31, 2018 | Dec. 31, 2017 MXN ($) | Dec. 31, 2017 COP ($) | Dec. 31, 2016 MXN ($) | Dec. 31, 2015 MXN ($) | Oct. 19, 2017 MXN ($) | Jun. 02, 2017 MXN ($)
Share of profit (loss) of associates accounted for using equity method |  |  | $ 6,358,687 |  | $ 5,051,189 |  |  |
Tax benefit arising from previously unrecognised tax loss, tax credit or temporary difference of prior period used to reduce current tax expense |  |  | $ 86,083 |  | $ 93,975 |  |  |
Applicable tax rate |  | 33.00% | 30.00% | 30.00% | 30.00% | 30.00% |  |
Asset Tax, percentage Refundable |  |  | 10.00% | 10.00% |  |  |  |
Income taxes paid (refund) |  |  | $ 211,675 |  | $ 50,716 |  |  |
Tax expense (income), continuing operations |  |  | (1,635,447) |  | (1,401,184) | $ (1,094,863) |  |
Surcharge tax |  |  | $ 2,933 |  |  |  |  |
Description of applicability of tax law |  |  | Law 1739 of December 23, 2014 in force, establishes the determination and payment of a surcharge on income tax for equity - CREE, which is the responsibility of the taxpayers of this tax and applies to a taxable base higher than the COP800,000, which is equivalent to 6%. | Law 1739 of December 23, 2014 in force, establishes the determination and payment of a surcharge on income tax for equity - CREE, which is the responsibility of the taxpayers of this tax and applies to a taxable base higher than the COP800,000, which is equivalent to 6%. |  |  |  |
Deferred tax expense (income) |  |  | $ (932) |  | (932) | (5,259) |  |
Income recognised as a result of asset tax |  |  | $ 58,890 |  |  |  |  |
Asset tax recoverable period |  |  | 10 years | 10 years |  |  |  |
Aerostar [Member] |  |  |  |  |  |  |  |
Deferred tax expense (income) |  |  | $ 267,307 |  |  |  |  |
Airplan [Member] |  |  |  |  |  |  |  |
Deferred tax expense (income) |  |  | 357,563 |  |  |  |  |
Top of range [member] |  |  |  |  |  |  |  |
Profit (loss) from continuing operations |  |  |  | $ 800,000 |  |  |  |
Aerostar Airport Holdings, LLC [Member] |  |  |  |  |  |  |  |
Deferred tax liabilities recognised as of acquisition date |  |  |  |  |  |  |  | $ 808,894
Aeropuertos Centro Norte, S. A. [Member] |  |  |  |  |  |  |  |
Deferred tax liabilities recognised as of acquisition date |  |  |  |  |  |  | $ 861,483 |
Puerto Rico [Member] |  |  |  |  |  |  |  |
Share of profit (loss) of associates accounted for using equity method |  |  | $ 77,551 |  |  |  |  |
Applicable tax rate |  |  | 10.00% | 10.00% |  |  |  |
Colombia [Member] |  |  |  |  |  |  |  |
Share of profit (loss) of associates accounted for using equity method |  |  | $ 48,877 |  |  |  |  |
Applicable tax rate |  |  | 34.00% | 34.00% |  |  |  |
Applicable tax rate, surcharge |  |  | 6.00% | 6.00% |  |  |  |
Colombia [Member] | Liquid equity [Member] |  |  |  |  |  |  |  |
Share of profit (loss) of associates accounted for using equity method | $ 23,462 |  |  |  |  |  |  |
Investments rate of return | 3.00% |  |  |  |  |  |  |
Provision for taxes other than income tax [member] |  |  |  |  |  |  |  |
Current tax expense (income) |  |  | $ 932 |  | $ 932 | $ 5,259 |  |

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