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Loans and Financing- Additional Information (Detail)
R$ in Thousands
1 Months Ended 2 Months Ended 12 Months Ended
Oct. 31, 2019
Jun. 30, 2019
BRL (R$)
Jul. 31, 2019
USD ($)
Dec. 31, 2019
BRL (R$)
Dec. 31, 2018
BRL (R$)
Dec. 31, 2017
BRL (R$)
SRC companhia securitizadora de ceditos financeiros [member]            
Disclosure of detailed information about borrowings [line items]            
Revolving loan, discount rate equivalent to percentage of CDI Rate       109.80% 103.00%  
Accounts receivables from card issuers used as collateral, in equivalent amount of percentage of loan balance       106.00%    
Loan renewal period 2 years          
Obligations to FIDC AR quota holders [member]            
Disclosure of detailed information about borrowings [line items]            
Percentage of ownership interest       100.00%    
Funding   R$ 1,620,000       R$ 2,059,500
Borrowings maturity   2021       2020
Benchmark return rate   106.00%       106.80%
Obligation to FIDC TAPSO quota holders [member]            
Disclosure of detailed information about borrowings [line items]            
Funding       R$ 20,000 R$ 10,000  
Borrowings maturity       six months six months  
Benchmark return rate       115.00% 118.00%  
Bank borrowings [member] | UMBNDES + 4.0% per year [member]            
Disclosure of detailed information about borrowings [line items]            
Bank borrowings, average interest         UMBNDES Rate + 4.0%  
Bank Credit Notes [Member]            
Disclosure of detailed information about borrowings [line items]            
Borrowings maturity       2020    
Debentures [member]            
Disclosure of detailed information about borrowings [line items]            
Borrowings maturity     2022      
Benchmark return rate     109.00%      
Proceeds from debenture issue | $     $ 400,000