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21 Employees benefits (Details Narrative) R$ in Thousands | 12 Months Ended
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Dec. 31, 2020 BRL (R$) Participants | Dec. 31, 2019 BRL (R$) Participants
Summary of employee benefits [Line Items] |  |
Salaries, payroll charges and social contributions | R$ 90,980 | R$ 93,486
Sabesprev mais [member] |  |
Summary of employee benefits [Line Items] |  |
Active participants of Plan | 9,587 | 9,774
VIVEST [member] |  |
Summary of employee benefits [Line Items] |  |
Number of inactive participants | Participants | 24 |
G0 plan [member] |  |
Summary of employee benefits [Line Items] |  |
Contribution - participants |  | R$ 0
Active participants of Plan | 10 | 10
Beneficiaries, retirees and survivors | 1,862 | 1,960
G1 Plan [member] |  |
Summary of employee benefits [Line Items] |  |
Number of active participants | Participants | 3,512 | 3,758
Number of inactive participants | Participants | 7,580 | 7,399
Contribution | R$ 36,009 | R$ 36,968
Contribution - participants | 36,608 | R$ 38,391
Actuarial deficit | 26,326 |
Actuarial deficit - participants | R$ 26,895 |
Description of defined benefit plan | Managed by Sabesprev, the defined benefit plan (“G1 Plan”), closed to new adhesions since July 2010, receives similar contributions established in a plan of subsidy of actuarial study of Sabesprev, as follows: · 0.99% of the portion of the salary of participation up to 20 salaries; and · 8.39% of the surplus, if any, of the portion of the salary of participation over 20 salaries. |
Health plan - Medical Assistance [member] |  |
Summary of employee benefits [Line Items] |  |
Average gross payroll | 7.79% | 9.30%
Average gross payroll | R$ 212,681 | R$ 237,898

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- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 141 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_141_f&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2020-01-01 -Paragraph 9 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=19&code=ifrs-tx-2020-en-r&anchor=para_9&doctype=Standard -URIDate 2020-01-01 + Details
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