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SHAREHOLDERS' EQUITY - Reserves (Details) R$ in Thousands	12 Months Ended
	Dec. 31, 2019 BRL (R$)
Legal Reserve
SHAREHOLDERS' EQUITY
Percentage of remaining balance of net income	5.00%
Percentage of limited balance of share capital	20.00%
Percentage of limited legal reserve plus capital reserve of share capital	30.00%
Reserve absorbed related to loss	R$ 105,671
Share capital corresponding to reserve absorbed related to loss	5.00%
Reserve for capital increase
SHAREHOLDERS' EQUITY
Percentage of remaining balance of net income	90.00%
Percentage of limited balance of share capital	80.00%
Reserve absorbed related to loss	R$ 1,730,629
Special statutory reserve
SHAREHOLDERS' EQUITY
Percentage of remaining balance of net income	10.00%
Percentage of limited balance of share capital	20.00%
Reserve absorbed related to loss	R$ 242,612
Tax incentives
SHAREHOLDERS' EQUITY
Reserve absorbed related to loss	R$ 684,563

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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.

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- Definition

Represents the percentage of limited legal reserve plus capital reserve of share capital.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of remaining balance of net income.

+ References

No definition available.

+ Details

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- Definition

Represents the reserve absorbed related to loss.

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No definition available.

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Balance Type:	debit
Period Type:	instant

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- Definition

Represents the reserve as a percentage of share capital.

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No definition available.

+ Details

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- Definition

Represents the share capital corresponding to reserve absorbed related to loss.

+ References

No definition available.

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- Details

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- Details

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- Details

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- Details

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