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Accounts receivable - Net: Additional information (Details) - MXN ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Trade and other current receivables $ 1,003,793 $ 793,110
Unimpaired past due    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Trade and other current receivables 580,914 424,262
Passenger fees    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Trade and other current receivables $ 615,223 $ 600,518