XML 221 R72.htm IDEA: XBRL DOCUMENT v3.23.1
Financial investments (Details Text) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Investment [Line Items]    
Financial investments R$ 1,103,299 R$ 782,647
Financial assets, average return percentage. 100.00%  
Financial Assets Interest Rate 13.75%  
Unrealized gains (losses) on investments R$ (107)  
Current financial assets available-for-sale R$ 141  
Brazilian Treasury Bonds [Member]    
Investment [Line Items]    
Financial assets, average return percentage. 100.00%  
Brazilian Treasury Bonds [Member] | Selic Interest Rate    
Investment [Line Items]    
Financial Assets Interest Rate   9.25%