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Property and Equipment - Summary of Depreciation and Amortization Expenses (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Depreciation And Amortization Expense [abstract]      
Cost of services R$ 100,070 R$ 54,203 R$ 31,224
General and administrative expenses 49,358 38,130 25,984
Selling expenses 13,968    
Depreciation and Amortization charges 163,396 92,333 57,208
Depreciation charge 125,749 66,501 32,836
Amortization charge (Note 13) 37,647 25,832 24,372
Depreciation and Amortization charges R$ 163,396 R$ 92,333 R$ 57,208