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32. Operating Costs and Expenses (Details 7) - BRL (R$) R$ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
DisclosureOfLeasingAndRentExpenseLineItems [Line Items]
Leasing and rent expense	R$ 40,016	R$ 32,037	R$ 35,453
Real estate
DisclosureOfLeasingAndRentExpenseLineItems [Line Items]
Leasing and rent expense	29,216	29,749	29,911
Others
DisclosureOfLeasingAndRentExpenseLineItems [Line Items]
Leasing and rent expense	12,237	3,588	6,919
PIS and Cofins credits
DisclosureOfLeasingAndRentExpenseLineItems [Line Items]
Leasing and rent expense	R$ (1,437)	R$ (1,300)	R$ (1,377)

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- References

No definition available.

+ Details

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- Definition

The amount of expense recognised on rental activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_85&doctype=Standard
-URIDate 2018-03-16

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- Details

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- Details

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