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Financial Risk Management (Details 4 - Textuals)
R$ in Thousands
12 Months Ended
Mar. 03, 2023
Sep. 28, 2022
BRL (R$)
Dec. 31, 2023
ITEM
Sensitivity analysis      
Interest rate basis 100% of the DI   CDI
Percentage of deterioration of the projected rates     0.00%
Number of stressing scenarios | ITEM     2
Probable scenario over a 12-month horizon      
Sensitivity analysis      
Percentage of deterioration of the projected rates     0.00%
Probable scenario over a 12-month horizon | Base Scenario      
Sensitivity analysis      
Adjustment to interest rate basis     13.10%
Interest rate basis     CDI
Percentage of deterioration of the projected rates     0.00%
Probable scenario over a 12-month horizon | Scenario I      
Sensitivity analysis      
Percentage of deterioration of the projected rates     (15.00%)
Probable scenario over a 12-month horizon | Scenario II      
Sensitivity analysis      
Percentage of deterioration of the projected rates     (30.00%)
IPCA      
Sensitivity analysis      
Estimated interest rate (as a percent)     4.62%
CDI      
Sensitivity analysis      
Estimated interest rate (as a percent)     13.10%
CDI | Scenario I      
Sensitivity analysis      
Percentage of deterioration of the projected rates     15.00%
CDI | Scenario II      
Sensitivity analysis      
Percentage of deterioration of the projected rates     30.00%
Somos Sistemas de Ensino S.A. ("Somos Sistemas")      
Sensitivity analysis      
Issued simple debentures, not convertible   R$ 250,000  
Somos Sistemas de Ensino S.A. ("Somos Sistemas") | Non-current Bonds with Related Parties [member]      
Sensitivity analysis      
Issued simple debentures, not convertible   R$ 250,000  
Adjustment to interest rate basis   2.40%  
Interest rate basis   100% of the CDI  
Borrowings average maturity   36 months