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Securities - Summary of securities classified at fair value through profit and loss and at fair value through other comprehensive income (Parenthetical) (Detail) - BRL (R$) R$ in Thousands | Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
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Disclosure of financial assets [abstract] |  |  |  |  |
Short-term deposits, classified as cash equivalents | R$ 152,200 | R$ 123,817 | R$ 142,446 | R$ 69,647 | R$ 261,317

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- Definition A classification of cash equivalents representing short-term deposits. [Refer: Cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard -URIDate 2019-03-27 + Details
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