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Borrowings - Schedule of Consolidated Statements of Assets and Liabilities (Details) - Level 1 [Member] - USD ($) $ in Thousands | Jun. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Schedule of Consolidated Statements of Assets and Liabilities [Line Items] |  |
Total debt issuance costs at beginning of period | $ 1,511 | $ 1,689
Debt issuance costs during the period |  | 169
Amortized debt issuance costs | 277 | 347
Unamortized debt issuance costs | 1,234 | 1,511
2028 Notes [Member] |  |
Schedule of Consolidated Statements of Assets and Liabilities [Line Items] |  |
Total debt issuance costs at beginning of period | 1,357 | 1,689
Debt issuance costs during the period |  |
Amortized debt issuance costs | 250 | 332
Unamortized debt issuance costs | 1,107 | 1,357
2028 Promissory Note [Member] |  |
Schedule of Consolidated Statements of Assets and Liabilities [Line Items] |  |
Total debt issuance costs at beginning of period | 154 |
Debt issuance costs during the period |  | 169
Amortized debt issuance costs | 27 | 15
Unamortized debt issuance costs | $ 127 | $ 154

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- Definition Amount of accumulated amortization of debt issuance costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 + Details
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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 + Details
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