Annual report pursuant to Section 13 and 15(d)

Equity (Details)

v3.24.3
Equity (Details)
$ in Thousands
 12 Months Ended
Sep. 30, 2024
USD ($)
voting_right
shares
Sep. 30, 2023
USD ($)
shares
Sep. 30, 2022
USD ($)
Apr. 12, 2024
USD ($)
Schedule Of Stockholders Equity [Line Items]        
Purchase of treasury stock | $ $ 11,312 $ 139 $ 39  
2024 Stock Repurchase Program        
Schedule Of Stockholders Equity [Line Items]        
Stock repurchase program, authorized amount | $       $ 40,000
Treasury stock acquired (in shares) 173,741      
Purchase of treasury stock | $ $ 10,000      
Class A common stock        
Schedule Of Stockholders Equity [Line Items]        
Voting rights for each share | voting_right 1      
Conversion rate 1      
Common stock, shares outstanding (in shares) 43,819,102 43,727,680    
Class A common stock | Equity Incentive Plan | Restricted Stock        
Schedule Of Stockholders Equity [Line Items]        
Issuance of stock grant awards (in shares) 165,471      
Vesting of restricted stock, shares withheld for taxes 33,772      
Restricted stock, forfeitures by terminated employees (in shares) 3,349      
Class B common stock        
Schedule Of Stockholders Equity [Line Items]        
Voting rights for each share | voting_right 10      
Initial public offering (in shares) 136,813      
Common stock, shares outstanding (in shares) 8,861,698 8,998,511