Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Additional Information (Details)

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Share-Based Compensation - Additional Information (Details)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2024
USD ($)
installment
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
installment
shares
Jun. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
installment
shares
Sep. 30, 2023
USD ($)
May 31, 2021
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Compensation expense $ 4,039 $ 2,737 $ 10,586 $ 7,909      
Restricted Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Aggregate grant date fair value     5,000        
Performance Shares              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Aggregate grant date fair value     $ 3,800        
Number of restricted stock vest (in shares) | shares     84,783        
Shares issued (in shares) | shares     113,044        
Shares issued (in shares) | shares     55,358        
Performance Shares | Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Percentage of final number of of common stock issuable upon vesting of performance stock units     0        
Performance Shares | Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Percentage of final number of of common stock issuable upon vesting of performance stock units     1.50        
Percentage increase (decrease) of awards granted due to total shareholder return ranking     0.15        
Liability classified awards              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Aggregate grant date fair value     $ 6,000        
Compensation expense 1,092 0 1,974 0      
Current liability for cash-settled restricted stock units 2,000   2,000   $ 2,000 $ 0  
Employee stock purchase plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Compensation expense 54 $ 0 $ 380 $ 0      
Maximum number of shares offered under the ESPP (in shares) | shares             1,000,000
Shares issued (in shares) | shares         37,809    
Class A Common Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Issuance of stock grant awards (in shares) | shares     55,358        
Class A Common Stock | Restricted Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares issues (in shares) | shares     110,113        
Class A Common Stock | Restricted Stock | Equity Incentive Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Compensation expense 2,200   $ 6,400        
Unrecognized compensation expense 8,200   $ 8,200   $ 8,200    
Unrecognized compensation expense, period for recognition (years)     2 years 4 months 24 days        
Class A Common Stock | Performance Shares | Equity Incentive Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Compensation expense 700   $ 1,700        
Unrecognized compensation expense 4,500   $ 4,500   4,500    
Unrecognized compensation expense, period for recognition (years)     2 years 4 months 24 days        
Class A Common Stock | Liability classified awards              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares issued (in shares) | shares     114,264        
Class A Common Stock | Liability classified awards | Equity Incentive Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Compensation expense 1,100   $ 2,000        
Unrecognized compensation expense $ 4,000   $ 4,000   $ 4,000    
Unrecognized compensation expense, period for recognition (years)     3 years 3 months 18 days        
Requisite service period, number of equal annual installments | installment 4   4   4