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v3.24.3

Shareholders’ Equity - Issuances/Repurchases (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2024 USD ($) vesting_installment shares | Sep. 30, 2023 USD ($) shares | Sep. 30, 2022 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
General and administrative expense | $ 43,743 | $ 36,019 | $ 32,919
Equity based compensation expenses | $ 187,278 | $ 150,845 | $ 141,323
Class A |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares granted (in shares) | shares | 181,727 | 121,200 | 125,700
Managing Director | Class A |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares granted (in shares) | shares | 4,219 | 3,000 | 3,000
2016 Plan | Class A |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of installments | vesting_installment | 5 |  |
General and administrative expense | $ 600 | $ 464 | $ 547
Adjustment related to tax withholding for share based compensation | 1,136 | 734 | 547
2016 Plan | Officers and Employees | Class A |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Equity based compensation expenses | $ 2,705 | $ 2,662 | $ 3,064

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