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SHARE-BASED COMPENSATION PLAN - Restricted shares plan (Details) - Restricted Stock	12 Months Ended
	Dec. 31, 2021 EquityInstruments R$ / shares
SHARE-BASED COMPENSATION PLAN
Restricted stock measurement period	60 days
Vesting period	12 months
Lock up period	36 months
2018 Plan
SHARE-BASED COMPENSATION PLAN
Price on grant date | R$ / shares	R$ 39.10
Shares Granted | EquityInstruments	130,435
2019 Plan
SHARE-BASED COMPENSATION PLAN
Price on grant date | R$ / shares	R$ 51.70
Shares Granted | EquityInstruments	106,601
2021 Plan
SHARE-BASED COMPENSATION PLAN
Price on grant date | R$ / shares	R$ 53.81
Shares Granted | EquityInstruments	90,005

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

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

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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]]

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Period which the right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The measurement period used to calculate the quantity of restricted stock to be granted.

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