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32 Operating Costs and Expenses (Details 2) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | R$ 1,325,382 | R$ 1,357,785 |  | R$ 1,343,344 |
Personnel [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 1,299,522 | 1,330,417 |  | 1,314,468 |
Personnel [Member] | Salaries And Management Fees [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 746,415 | 794,966 |  | 806,119 |
Personnel [Member] | Social Charges On Payroll [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 241,025 | 261,459 |  | 266,183 |
Personnel [Member] | Meal And Education Allowance [Member |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 113,021 | 113,177 |  | 119,881 |
Personnel [Member] | Provisons For Profit Sharing [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 155,544 | 91,526 | [1] | 68,817 | [1]
Personnel [Member] | Voluntary Retirement Program [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 43,517 | 69,289 |  | 53,468 |
Management [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 25,860 | 27,368 |  | 28,876 |
Management [Member] | Salaries And Management Fees [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 19,867 | 21,422 |  | 22,895 |
Management [Member] | Social Charges On Payroll [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | 5,745 | 5,695 |  | 5,635 |
Management [Member] | Other Expenses [Member] |  |  |  |  |
Disclosure of operating costs and expenses [line items] |  |  |  |  |
Personnel and management | R$ 248 | R$ 251 |  | R$ 346 |
[1] | According to Federal Law No. 10,101/2000, State Decree No. 1,978/2007 and State Law No. 16,560/2010.

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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 2019-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_17&doctype=Standard -URIDate 2019-03-27 + Details
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