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v3.19.1

Long-term debt: (Details Textual) $ in Thousands, $ in Thousands |  | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
May 31, 2017 | May 26, 2017 | Mar. 22, 2013 MXN ($) | Dec. 31, 2018 MXN ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 MXN ($) | Dec. 31, 2017 USD ($) | Jun. 24, 2015 MXN ($) | Jun. 24, 2015 USD ($) | Mar. 22, 2013 USD ($)
Senior secured notes due on March 22, 2035 [Member] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  | $ 4,471,000 | $ 7,333,536 | $ 400,000 | $ 7,489,465 | $ 400,000 |  | $ 50,000 | $ 350,000
Borrowings, interest rate |  |  | 5.75% |  |  |  |  |  |  | 5.75%
Debt Instrument, Quoted Yield |  |  | 2.39% |  |  |  |  |  |  |
Spread Credit |  |  | 336 |  |  |  |  |  |  | 336
Aerostar Airport Holdings, LLC [Member] |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in subsidiary | 60.00% | 50.00% |  |  |  |  |  |  |  |
Aerostar Airport Holdings, LLC [Member] | Senior secured notes due on March 22, 2035 [Member] |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  | $ 737,000 |  |
Borrowings, interest rate |  |  |  |  |  |  |  | 6.75% | 6.75% |

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