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Description of the business and summary of significant accounting policies - financial instruments (Details) - MXN ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue recognition    
Discounts, payment incentives, bonuses or other variable considerations $ 0  
Non-ticket revenues    
Expected credit losses on accounts receivable $ 16,118 $ 13,664
Minimum    
Revenue recognition    
Term of trade receivables 1 day  
Maximum    
Revenue recognition    
Term of trade receivables 2 days