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Insurance contracts and contingencies (Details) - Legal proceedings contingent liability [member] - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Balance as of beginning of the year | R$ 195,854 | R$ 148,287 | R$ 53,139
Business combinations | 152 |  | 80,252
Additions | 18,336 | 73,909 | 24,744
Reversals | (109,981) | (26,342) | (9,848)
Balance as of ending of the year | 104,361 | 195,854 | 148,287
Labour [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance as of beginning of the year | 22,484 | 25,490 | 4,519
Business combinations | 64 |  | 16,597
Additions | 3,424 | 2,300 | 5,418
Reversals | (3,251) | (5,306) | (1,044)
Balance as of ending of the year | 22,721 | 22,484 | 25,490
Civil [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance as of beginning of the year | 24,664 | 22,928 | 13,280
Business combinations | 88 |  | 6,017
Additions | 5,875 | 7,911 | 5,101
Reversals | (9,327) | (6,175) | (1,470)
Balance as of ending of the year | 21,300 | 24,664 | 22,928
Taxes [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Balance as of beginning of the year | 148,706 | 99,869 | 35,340
Business combinations |  |  | 57,638
Additions | 9,037 | 63,698 | 14,225
Reversals | (97,403) | (14,861) | (7,334)
Balance as of ending of the year | R$ 60,340 | R$ 148,706 | R$ 99,869

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