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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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