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31 Net Operating Revenue (Details 2) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of net operating revenue [line items] |  |  |
Lease and rental revenue | R$ 176,452 |  |
Restated [Member] |  |  |
Disclosure of net operating revenue [line items] |  |  |
Lease and rental revenue |  | R$ 141,315 | R$ 130,007
Equipment and framework [member] |  |  |
Disclosure of net operating revenue [line items] |  |  |
Lease and rental revenue | 175,673 |  |
Equipment and framework [member] | Restated [Member] |  |  |
Disclosure of net operating revenue [line items] |  |  |
Lease and rental revenue |  | 140,053 | 128,734
Facilities sharing [member] |  |  |
Disclosure of net operating revenue [line items] |  |  |
Lease and rental revenue | 415 |  |
Facilities sharing [member] | Restated [Member] |  |  |
Disclosure of net operating revenue [line items] |  |  |
Lease and rental revenue |  | 1,046 | 1,003
Real estate [member] |  |  |
Disclosure of net operating revenue [line items] |  |  |
Lease and rental revenue | R$ 364 |  |
Real estate [member] | Restated [Member] |  |  |
Disclosure of net operating revenue [line items] |  |  |
Lease and rental revenue |  | R$ 216 | R$ 270

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- Definition Net Operating Revenue [Line Items] + References No definition available. + Details
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- Definition The amount of income recognised from rental activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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- Details
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- Details
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