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Trade Accounts Receivable - Past Due securities (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Trade Accounts Receivable |  |
Past due securities | R$ 417,870 | R$ 139,413
Percentage of total overdue receivables | 16.00% | 6.00%
Up to 30 days |  |
Trade Accounts Receivable |  |
Past due securities | R$ 291,050 | R$ 67,239
From 31 and 60 days |  |
Trade Accounts Receivable |  |
Past due securities | 54,845 | 16,066
From 61 and 90 days |  |
Trade Accounts Receivable |  |
Past due securities | 10,982 | 3,949
From 91 and 120 days |  |
Trade Accounts Receivable |  |
Past due securities | 7,446 | 2,831
From 121 and 180 days |  |
Trade Accounts Receivable |  |
Past due securities | 6,285 | 9,423
Over 180 days |  |
Trade Accounts Receivable |  |
Past due securities | R$ 47,262 | R$ 39,905

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