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Provisions and Contingent Liabilities - Additional Information (Detail) - BRL (R$)
R$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of contingent liabilities [line items]            
Other provisions R$ 14,897 R$ 15,193 R$ 17,503 R$ 17,474 R$ 11,843 R$ 5,334
Estimated financial effect of contingent liabilities 163,982 153,951   89,323    
Tax contingencies [member]            
Disclosure of contingent liabilities [line items]            
Other provisions 9,956 9,878   9,392    
Civil contingencies [member]            
Disclosure of contingent liabilities [line items]            
Other provisions 2,412 2,673   5,610    
Judicial deposit assets 100 9,744   4,500    
Labor contingencies [member]            
Disclosure of contingent liabilities [line items]            
Other provisions R$ 2,529 R$ 2,642   R$ 2,472