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22 Insurance contracts and contingencies (Details 1) - BRL (R$) R$ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Disclosure of types of insurance contracts [line items]
Total	R$ 66,662	R$ 50,288
Legal proceedings and contingencies [member] | Labour [member] | Risk [member]
Disclosure of types of insurance contracts [line items]
Total	2,318	3,570
Legal proceedings and contingencies [member] | Civil [member] | Risk [member]
Disclosure of types of insurance contracts [line items]
Total	59,969	39,135
Legal proceedings and contingencies [member] | Taxes and Social Security [member] | Risk [member]
Disclosure of types of insurance contracts [line items]
Total	R$ 4,375	R$ 7,583

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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-IssueDate 2020-01-01
-Paragraph 84
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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