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27 Right-of-use asset and lease liability (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Disclosure of quantitative information about right-of-use assets [line items] |  |
Initial adoption on beginning | R$ 92,831 | R$ 118,022
Additions | 103,571 | 9,353
Remeasurement Adjustment | 1,406 | 3,884
Amortization | (51,489) | (34,205)
Loss on disposal | (2,551) | (4,223)
Reclassification | (11,247) |
Initial adoption on end | 132,521 | 92,831
Real Estate [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Initial adoption on beginning | 40,155 | 57,461
Additions | 5,319 | 2,484
Remeasurement Adjustment | 75 | 914
Amortization | (18,433) | (17,705)
Loss on disposal | (2,551) | (2,999)
Reclassification | (1,181) |
Initial adoption on end | 23,384 | 40,155
Vehicles and Aircraft [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Initial adoption on beginning | 46,400 | 57,564
Additions | 79,455 | 2,295
Remeasurement Adjustment | 1,331 | 2,970
Amortization | (28,176) | (15,205)
Loss on disposal |  | (1,224)
Reclassification | (8,694) |
Initial adoption on end | 90,316 | 46,400
Equipment [member] |  |
Disclosure of quantitative information about right-of-use assets [line items] |  |
Initial adoption on beginning | 6,276 | 2,997
Additions | 18,797 | 4,574
Remeasurement Adjustment |  |
Amortization | 4,880 | 1,295
Loss on disposal |  |
Reclassification | (1,372) |
Initial adoption on end | R$ 18,821 | R$ 6,276

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- Definition The amount of right of use asset and liabilities. + References No definition available. + Details
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- Definition The amount of additions to right-of-use assets. [Refer: Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_h&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_a&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The gains (losses) arising from sale and leaseback transactions. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 53 -Subparagraph i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_53_i&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The increase (decrease) in the revaluation surplus that relates to right-of-use assets. [Refer: Revaluation surplus; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2020-01-01 -Paragraph 57 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2020-en-r&anchor=para_57&doctype=Standard -URIDate 2020-01-01 + Details
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