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Share-based compensation plan - Restricted shares plan (Details) - Restricted share units | 9 Months Ended |
--- | --- | ---
Sep. 30, 2025 shares shares | Dec. 31, 2024 BRL (R$) shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Number of other equity instruments outstanding in share-based payment arrangement | 3,076,116 | 2,980,111
Shares granted | 563,980 |
Restricted stock, year two | 504,946 |
Restricted stock, year three | 431,331 |
Restricted stock, year four | 230,773 |
Restricted Stock, Year Five | 1,672,574 |
Restricted Stock, Year Six | 236,492 |
Grant Year 2022 |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value on grant date | R$ |  | R$ 53.81
Number of other equity instruments outstanding in share-based payment arrangement |  | 115,800
Shares granted | 3,758 |
Grant Year 2023 |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value on grant date | R$ |  | R$ 51.41
Number of other equity instruments outstanding in share-based payment arrangement | 396,016 | 383,568
Shares granted | 12,448 |
Restricted stock, year two | 277,249 |
Restricted stock, year three | 118,767 |
Grant Year 2024 |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value on grant date | R$ |  | R$ 55.77
Number of other equity instruments outstanding in share-based payment arrangement | 2,212,835 | 2,480,743
Shares granted | 80,509 |
Restricted stock, year two | 227,697 |
Restricted stock, year three | 312,564 |
Restricted Stock, Year Five | 1,672,574 |
Grant Year 2025 |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Fair value on grant date | R$ |  | R$ 61.39
Number of other equity instruments outstanding in share-based payment arrangement | 467,265 |
Shares granted | 467,265 |
Restricted stock, year two |  |
Restricted stock, year three |  |
Restricted stock, year four | 230,773 |
Restricted Stock, Year Five |  |
Restricted Stock, Year Six | 236,492 |

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