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Financial Risk Management - Summary of Exposure to Credit Risk and Expected Credit Losses for Accounts Receivable (Detail)
$ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2021
MXN ($)
Dec. 31, 2020
MXN ($)
Dec. 31, 2019
MXN ($)
Dec. 31, 2021
USD ($)
Disclosure Of Credit Risk Exposure [Line Items]        
Financial assets       $ 249,505
Trade Accounts Receivables [Member]        
Disclosure Of Credit Risk Exposure [Line Items]        
Financial assets $ 1,876,878 $ 1,412,958 $ 1,530,432  
Amount of credit loss $ 156,403 $ 146,952 $ 51,022  
Current (Not Past Due) [Member] | Trade Accounts Receivables [Member]        
Disclosure Of Credit Risk Exposure [Line Items]        
Weighted average loss rate 0.00% 0.00% 0.00% 0.00%
Financial assets $ 1,577,211 $ 1,192,643 $ 1,258,569  
Credit impairment No No No  
1 to 30 Days Past Due [Member] | Trade Accounts Receivables [Member]        
Disclosure Of Credit Risk Exposure [Line Items]        
Weighted average loss rate 9.69% 8.31% 5.97% 9.69%
Financial assets $ 107,521 $ 55,461 $ 133,533  
Amount of credit loss $ 10,417 $ 4,611 $ 7,978  
Credit impairment No No No  
31 to 60 Days Past Due [Member] | Trade Accounts Receivables [Member]        
Disclosure Of Credit Risk Exposure [Line Items]        
Weighted average loss rate 26.83% 19.14% 13.69% 26.83%
Financial assets $ 27,605 $ 25,223 $ 91,640  
Amount of credit loss $ 7,407 $ 4,827 $ 12,546  
Credit impairment No No No  
61 to 90 Days Past Due [Member] | Trade Accounts Receivables [Member]        
Disclosure Of Credit Risk Exposure [Line Items]        
Weighted average loss rate 49.38% 86.54% 47.48% 49.38%
Financial assets $ 51,288 $ 15,736 $ 30,832  
Amount of credit loss $ 25,325 $ 13,619 $ 14,640  
Credit impairment No No No  
More Than 90 Days Past Due [Member] | Trade Accounts Receivables [Member]        
Disclosure Of Credit Risk Exposure [Line Items]        
Weighted average loss rate 100.00% 100.00% 100.00% 100.00%
Financial assets $ 44,125 $ 109,759 $ 2,693  
Amount of credit loss $ 44,125 $ 109,759 $ 2,693  
Credit impairment Yes Yes Yes  
Legal [Member] | Trade Accounts Receivables [Member]        
Disclosure Of Credit Risk Exposure [Line Items]        
Weighted average loss rate 100.00% 100.00% 100.00% 100.00%
Financial assets $ 69,128 $ 14,136 $ 13,165  
Amount of credit loss $ 69,128 $ 14,136 $ 13,165  
Credit impairment Yes Yes Yes