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Cost of improvements to concession assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Cost Of Improvements To Concession Assets [Abstract] |
Summary of Cost of Improvements to Concession Assets | Cost of improvements to concession assets are comprised of the following at December 31, 2016, 2017 and 2018:
|  | 2016 |  |  | 2017 |  |  | 2018 |
Cost of improvements to concession assets |  | Ps. |  | 1,676,037 |  |  | Ps. |  | 1,312,491 |  |  | Ps. |  | 1,440,204 |

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