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27. EMPLOYEE BENEFITS (Details Narrative) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 BRL (R$) Participants | Dec. 31, 2017 BRL (R$) Participants | Dec. 31, 2016 BRL (R$) Participants
Disclosure of defined benefit plans [line items] |  |  |
Total participants | 34,985 | 35,176 | 34,051
Pension plan expense | R$ | R$ 40,199 | R$ 41,544 | R$ 35,798
Active contributors |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Total participants | 20,872 | 20,734 |
Retired employees |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Total participants | 13,454 | 13,587 |
Related beneficiaries |  |  |
Disclosure of defined benefit plans [line items] |  |  |
Total participants | 659 | 855 |

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- Definition The number of participants in a retirement benefit plan receiving benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2018-01-01 -Paragraph 36 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=26&date=2018-03-01&anchor=para_36_b&doctype=Standard -URIDate 2018-03-16 + Details
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