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Financing Agreement - Schedule of Interest Expense Recognized Related to Credit Facility (Details) - Secured Debt - Financing Agreement - Line of Credit - USD ($) $ in Thousands | 3 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Line of Credit Facility [Line Items] |  |
Amortization of debt discount and issuance costs | $ 553 | $ 0
Contractual interest expense | 15,678 | 0
Total interest expense | $ 16,231 | $ 0

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