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Expenses by Nature - Summary of Expenses by Nature (Detail) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Expenses by nature [abstract]      
Personnel expenses (Note 25) R$ 576,440 R$ 421,240 R$ 336,902
Financial expenses 353,451 301,065 237,094
Transaction and client services costs 185,396 163,561 126,870
Depreciation and amortization 163,396 92,333 54,584
Third parties services 69,579 42,875 32,932
Marketing expenses and sales commissions 71,811 40,890 26,521
Facilities expenses 30,547 34,095 26,066
Travel expenses 24,660 19,414 12,943
Other 9,223 20,924 8,061
Total expenses R$ 1,484,503 R$ 1,136,397 R$ 861,973