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Revenue from Contracts with Customers: (Details 2) - MXN ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Commercial revenues | $ 4,121,709 | $ 3,877,530 | $ 2,772,543
Retail stores [Member] |  |  |
Commercial revenues |  | 1,194,772 | 904,465
Access fees on non permanent ground transportation [Member] |  |  |
Commercial revenues |  | 47,756 | 42,916
Car parking and related Access fees [Member] |  |  |
Commercial revenues |  | 183,977 | 83,493
Duty free shops [Member] |  |  |
Commercial revenues | 1,861,116 | 881,705 | 640,793
Food and beverage [Member] |  |  |
Commercial revenues | 738,371 | 609,304 | 439,101
Advertising revenues [Member] |  |  |
Commercial revenues | 161,214 | 139,545 | 122,941
Car rental companies [Member] |  |  |
Commercial revenues | 611,864 | 379,162 | 221,100
Banking and currency exchange services [Member] |  |  |
Commercial revenues | 119,855 | 97,311 | 86,780
Teleservices [Member] |  |  |
Commercial revenues | 14,139 | 12,973 | 10,869
Ground transportations [Member] |  |  |
Commercial revenues | 76,106 | 5,729 | 2,562
Other services [Member] |  |  |
Commercial revenues | $ 539,044 | $ 325,296 | $ 217,523

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- Definition The amount of commercial revenues reported during the year. + References No definition available. + Details
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