The excess of amount paid for current tax in respect of current and prior periods over the amount due for those periods. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2019-01-01
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Recoverable Taxes - Summary of Recoverable Taxes (Detail) - BRL (R$) R$ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subclassifications Of Assets Liabilities And Equities [Line Items]
Recoverable taxes	R$ 226,645	R$ 243,320	R$ 183,350
Recoverable taxes, Current		243,320	183,350
Recoverable taxes, Non-current		0	0
Prepayments of Income Taxes (IRPJ and CSLL) [Member]
Subclassifications Of Assets Liabilities And Equities [Line Items]
Recoverable taxes		225,465	182,021
Contributions Over Revenue (PIS) and (COFINS) [Member]
Subclassifications Of Assets Liabilities And Equities [Line Items]
Recoverable taxes		16,859	533
Taxes on Services (ISS) [Member]
Subclassifications Of Assets Liabilities And Equities [Line Items]
Recoverable taxes		846	698
Value Added Taxes [Member]
Subclassifications Of Assets Liabilities And Equities [Line Items]
Recoverable taxes		R$ 150	R$ 98