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SHARE-BASED COMPENSATION PLAN - Common stock option plan (Details)	12 Months Ended
	Dec. 31, 2019 EquityInstruments R$ / shares
Common stock option plan
SHARE-BASED COMPENSATION PLAN
Lock up period	36 months
Restricted Stock
SHARE-BASED COMPENSATION PLAN
Price on grant date | R$ / shares	R$ 39.10
Shares Granted | EquityInstruments	130,435

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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

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- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2019-01-01
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The weighted average exercise price of other equity instruments (ie other than share options) granted in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

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Represents the lock up period of shares.

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