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16 Investments (Details Narrative) - BRL (R$) R$ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
DisclosureOfInvestmentsLineItems [Line Items] |  |  |  |
Commitments in relation to joint ventures |  | R$ 632 | R$ 5,936 | R$ 81,263
Contingent liabilities incurred in relation to interests in joint ventures |  | 227,467 | 89,688 | 40,324
Contingent liabilities incurred in relation to interests in associates |  | 28,891 |  |
Other | [1] | (8,122) |  |
Associates [Member] |  |  |  |
DisclosureOfInvestmentsLineItems [Line Items] |  |  |  |
Other | [1] | (8,122) |  |
Contingent liabilities |  | 1,428 | R$ 78,793 | R$ 61,341
Associates [Member] | Domino Holdings [member] |  |  |  |
DisclosureOfInvestmentsLineItems [Line Items] |  |  |  |
Other | [1] | (153) |  |
Associates [Member] | Others [member] |  |  |  |
DisclosureOfInvestmentsLineItems [Line Items] |  |  |  |
Other | [1] | R$ (7,969) |  |
[1] | R$ 7,969 of Impairment of Estacao Osasco Desenvolvimento Imobiliario SA, an associate of UEG Araucaria, and R$ 153 of liquidation of Domino.

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