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22. EARNINGS (LOSS) PER SHARE (Details 2) - BRL (R$) R$ / shares in Units, R$ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Basic numerator
Net earnings (loss) for the exercise attributable to controlling shareholders		R$ 162,684	R$ (4,448,061)
Basic denominator
Common shares		812,473,246	812,473,246
Weighted average number of outstanding shares - basic (except treasury shares)	809,110,872	811,539,167	811,294,251
Net earnings (loss) per share basic - R$		R$ 0.20	R$ (5.48)
Diluted numerator
Net earnings (loss) for the exercise attributable to controlling shareholders		R$ 162,684	R$ (4,448,061)
Diluted denominator
Weighted average number of outstanding shares - basic (except treasury shares)		811,539,167	811,294,251
Number of potential shares (restricted shares)		2,327,952
Weighted average number of outstanding shares - diluted	811,348,808	813,867,119	811,294,251
Net earnings (loss) per share diluted - R$		R$ 0.20	R$ (5.48)

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).

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