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Income Tax - Additional Information (Detail) - BRL (R$)
R$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of income tax [abstract]          
Deferred tax assets not recognized R$ 12,237   R$ 18,402 R$ 12,025  
Brazilian statutory rates 34.00% 34.00% 34.00% 34.00% 34.00%