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Taxes Payable - Summary of Taxes Payable (Detail) - BRL (R$)
R$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2017
Disclosure of taxes payable [line items]      
Taxes payable R$ 268,005 R$ 221,529 R$ 168,386
ICMS [member]      
Disclosure of taxes payable [line items]      
Taxes payable 166,038 128,571  
PIS and COFINS [member]      
Disclosure of taxes payable [line items]      
Taxes payable 38,055 25,319  
ISS [member]      
Disclosure of taxes payable [line items]      
Taxes payable 22,339 11,211  
Value Added Tax [member]      
Disclosure of taxes payable [line items]      
Taxes payable 21,306 17,992  
PERT [member]      
Disclosure of taxes payable [line items]      
Taxes payable   19,584  
Others [member]      
Disclosure of taxes payable [line items]      
Taxes payable R$ 20,267 R$ 18,852