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Revenue (Details 1) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |  |
Types of services or goods | R$ 2,875,913 | R$ 2,329,057 | R$ 1,719,371
Tuition fees | 2,640,598 | 2,131,776 | 1,559,094
Other | 235,315 | 197,281 | 160,277
Timing of revenue recognition | 2,875,913 | 2,329,057 | 1,719,371
Transferred over time | 2,821,251 | 2,273,578 | 1,640,889
Transferred at a point in time | 54,662 | 55,479 | 78,482
Undergrad [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Types of services or goods | 2,511,018 | 2,037,889 | 1,498,408
Tuition fees | 2,494,121 | 2,023,128 | 1,486,111
Other | 16,897 | 14,761 | 12,297
Timing of revenue recognition | 2,511,018 | 2,037,889 | 1,498,408
Transferred over time | 2,494,121 | 2,024,373 | 1,486,111
Transferred at a point in time | 16,897 | 13,516 | 12,297
Continuing Education [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Types of services or goods | 146,827 | 108,806 | 72,983
Tuition fees | 146,477 | 108,648 | 72,983
Other | 350 | 158 |
Timing of revenue recognition | 146,827 | 108,806 | 72,983
Transferred over time | 146,827 | 108,806 | 72,983
Transferred at a point in time |  |  |
Digital Services [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Types of services or goods | 229,285 | 189,984 | 151,958
Tuition fees |  |  |
Other | 229,285 | 189,984 | 151,958
Timing of revenue recognition | 229,285 | 189,984 | 151,958
Transferred over time | 191,520 | 145,939 | 81,795
Transferred at a point in time | 37,765 | 44,045 | 70,163
Elimination (inter-segment transactions) [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Types of services or goods | (11,217) | (7,622) | (3,978)
Tuition fees |  |  |
Other | (11,217) | (7,622) | (3,978)
Timing of revenue recognition | (11,217) | (7,622) | (3,978)
Transferred over time | (11,217) | (5,540) |
Transferred at a point in time |  | R$ (2,082) | R$ (3,978)

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