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19. RELATED-PARTY BALANCES AND TRANSACTIONS (Details 5) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Relatedparty Balances And Transactions Details 4Abstract |  |  |
Short-term benefits for employees and officers | R$ 32,848 | R$ 39,721 | R$ 71,852
Post-employment benefits | 105 | 110 | 306
Key management personnel compensation | R$ 32,953 | R$ 39,831 | R$ 71,158

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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2018-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=24&date=2018-03-01&anchor=para_17&doctype=Standard -URIDate 2018-03-16 + Details
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