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Borrowings - Schedule of Interest Expense, Amortized Debt Issuance Costs, Amortized Deferred Financing Costs, Weighted Average Stated Interest Rate And Weighted Average Outstanding Debt (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Schedule of Interest Expense, Amortized Debt Issuance Costs, Amortized Deferred Financing Costs, Weighted Average Stated Interest Rate And Weighted Average Outstanding Debt [Line Items] |  |  |
Credit facility interest | $ 6,141 | $ 2,533 | $ 1,390
Commitment fees | (8) | 108 | 56
Amortization of deferred financing costs | 559 | 566 | 287
Amortization of debt issuance costs | 369 | 347 | 370
Other | 111 |  |
Total | $ 10,279 | $ 6,609 | $ 5,532
Weighted average stated interest rate | 6.50% | 6.30% | 5.90%
Weighted average debt outstanding | $ 144,153 | $ 88,467 | $ 81,600
2023 Notes [Member] |  |  |
Schedule of Interest Expense, Amortized Debt Issuance Costs, Amortized Deferred Financing Costs, Weighted Average Stated Interest Rate And Weighted Average Outstanding Debt [Line Items] |  |  |
Notes Interest |  |  | 410
2028 Note [Member] |  |  |
Schedule of Interest Expense, Amortized Debt Issuance Costs, Amortized Deferred Financing Costs, Weighted Average Stated Interest Rate And Weighted Average Outstanding Debt [Line Items] |  |  |
Notes Interest | 3,020 | 3,019 | 3,019
2028 Promissory Note [Member] |  |  |
Schedule of Interest Expense, Amortized Debt Issuance Costs, Amortized Deferred Financing Costs, Weighted Average Stated Interest Rate And Weighted Average Outstanding Debt [Line Items] |  |  |
Notes Interest | $ 87 | $ 36 |

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