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19. RELATED-PARTY BALANCES AND TRANSACTIONS (Details 3) - BRL (R$) R$ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Disclosure of transactions between related parties [line items] |  |
Current assets | R$ 238,144 | R$ 162,987
Noncurrent assets | 1,025,339 | 696,745
Total assets | 1,263,483 | 859,732
Current liabilities | 171,300 | 138,071
Noncurrent liabilities | 104,611 | 41,937
Total liabilities | 275,911 | R$ 180,008
Other Related Parties |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 147,453 |
Noncurrent assets | 99,894 |
Total assets | 247,347 |
Current liabilities | 16,472 |
Noncurrent liabilities | 7,982 |
Total liabilities | 24,454 |
CBS Previdencia | Other Related Parties |  |
Disclosure of transactions between related parties [line items] |  |
Noncurrent assets | 99,894 |
Total assets | 99,894 |
Noncurrent liabilities | 7,982 |
Total liabilities | 7,982 |
Banco Fibra | Other Related Parties |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 92,334 |
Total assets | 92,334 |
Panatlantica | Other Related Parties |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 53,027 |
Total assets | 53,027 |
Current liabilities | 15,643 |
Total liabilities | 15,643 |
Other | Other Related Parties |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 2,092 |
Total assets | 2,092 |
Current liabilities | 829 |
Total liabilities | 829 |
Arvedi Metalfer do Brasil S.A. | Associates |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 42,834 |
Total assets | 42,834 |
Joint Venture/Joint Operation |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 47,857 |
Noncurrent assets | 925,445 |
Total assets | 973,302 |
Current liabilities | 154,828 |
Noncurrent liabilities | 96,629 |
Total liabilities | 251,457 |
Joint Venture/Joint Operation | Ita Energetica S.A. |  |
Disclosure of transactions between related parties [line items] |  |
Current liabilities | 2,550 |
Total liabilities | 2,550 |
Joint Venture/Joint Operation | MRS Logistica S.A. |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 46,243 |
Total assets | 46,243 |
Current liabilities | 101,264 |
Noncurrent liabilities | 96,629 |
Total liabilities | 197,893 |
Joint Venture/Joint Operation | CBSI |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 3 |
Total assets | 3 |
Current liabilities | 37,362 |
Total liabilities | 37,362 |
Joint Venture/Joint Operation | Transnordestina Logistica S.A. |  |
Disclosure of transactions between related parties [line items] |  |
Current assets | 1,611 |
Noncurrent assets | 925,445 |
Total assets | 927,056 |
Current liabilities | 13,652 |
Total liabilities | R$ 13,652 |

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