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Salaries and Related Charges - Summary of Salaries and Related Charges (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Summary of salaries and related charges [line items]    
Salaries and related charges R$ 405,636 R$ 428,192
Provisions on payroll [member]    
Summary of salaries and related charges [line items]    
Salaries and related charges 184,716 186,200
Profit sharing, bonus and premium [member]    
Summary of salaries and related charges [line items]    
Salaries and related charges 133,533 147,170
Social charges [member]    
Summary of salaries and related charges [line items]    
Salaries and related charges 70,228 67,043
Other charges [member]    
Summary of salaries and related charges [line items]    
Salaries and related charges R$ 17,159 R$ 27,779