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Components of other comprehensive income (loss) - Schedule of analysis of the other comprehensive (loss) income (Details)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2021
MXN ($)
Dec. 31, 2020
MXN ($)
Dec. 31, 2019
MXN ($)
Balances at the beginning   $ (1,562,498) $ 116,240  
Comprehensive (loss) income of the year   1,583,027 (1,726,367)  
Deferred Tax effect   (2,805) 47,629 $ (71,762)
Net balances at the end $ 861 17,724 (1,562,498) 116,240
Remeasurements of employee benefits        
Balances at the beginning   (8,655) (6,798)  
Comprehensive (loss) income of the year   (9,279) (2,651)  
Deferred Tax effect   2,850 794  
Net balances at the end   (15,084) (8,655) (6,798)
Derivative and non-derivative financial instruments        
Balances at the beginning   (1,596,079) 104,772  
Comprehensive (loss) income of the year   1,596,327 (1,747,686)  
Deferred Tax effect   (5,655) 46,835  
Net balances at the end   (5,407) (1,596,079) 104,772
Exchange differences on the translation of foreign        
Balances at the beginning   42,236 18,266  
Comprehensive (loss) income of the year   (4,021) 23,970  
Net balances at the end   $ 38,215 $ 42,236 $ 18,266