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Subsequent events - Additional information (Details) - shares
2 Months Ended 12 Months Ended
Feb. 29, 2024
Jan. 31, 2024
Feb. 29, 2024
Dec. 31, 2023
Subsequent events        
Treasury shares       (240,724)
Treasury shares [member] | Class A common shares        
Subsequent events        
Treasury shares       (240,724)
Repurchase program on shares | Treasury shares [member] | Class A common shares        
Subsequent events        
Treasury shares 419,905 657,510 1,077,415