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Summary of Significant Accounting Policies - Summary of Right-Of-Use Assets Related to Property and Equipment Leases (Detail) - BRL (R$)
R$ in Thousands
 3 Months Ended 12 Months Ended
Jan. 01, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Summary of Significant Accounting Policies [Line Items]          
Lease liability recognized as of January 1, 2019 R$ 148,494 R$ 268,947 R$ 143,466 R$ 255,406 R$ 148,494
(Less): accrued lease payments as of December 31, 2018 (14,624) (15,558) (7,490) (37,979)  
Rights-of-use assets 133,870 R$ 236,136 R$ 129,159 R$ 227,478 R$ 133,870
Properties [member]          
Summary of Significant Accounting Policies [Line Items]          
Rights-of-use assets 123,262        
Equipments [member]          
Summary of Significant Accounting Policies [Line Items]          
Rights-of-use assets R$ 10,608