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v3.25.2

Borrowings - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Debt Instrument [Line Items] |  |
Total outstanding borrowings of unconsolidated entities | $ 1,143,173 | $ 1,025,349
Unamortized debt issuance costs | (7,036) | (8,310)
Senior Unsecured Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Senior Unsecured Revolving Credit Facility | 115,000 | 0
Senior Notes |  |
Debt Instrument [Line Items] |  |
Total outstanding borrowings of unconsolidated entities | 950,219 | 948,945
Unamortized debt issuance costs | $ (7,036) | $ (8,310)
Senior Notes | 5.875% |  |
Debt Instrument [Line Items] |  |
Stated interest rate on debt instrument | 5.875% | 5.875%
Total outstanding borrowings of unconsolidated entities | $ 357,255 | $ 357,255
Senior Notes | 7.250% |  |
Debt Instrument [Line Items] |  |
Stated interest rate on debt instrument | 7.25% | 7.25%
Total outstanding borrowings of unconsolidated entities | $ 350,000 | $ 350,000
Senior Notes | 7.500% |  |
Debt Instrument [Line Items] |  |
Stated interest rate on debt instrument | 7.50% | 7.50%
Total outstanding borrowings of unconsolidated entities | $ 250,000 | $ 250,000
Junior Subordinated Notes |  |
Debt Instrument [Line Items] |  |
Unamortized accretion | 22,819 | 24,369
Total outstanding borrowings of unconsolidated entities | $ 77,954 | $ 76,404

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