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Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value - USD ($) $ in Thousands | Dec. 31, 2023 | Sep. 30, 2023
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Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 222,222 | $ 226,461
Percentage | 100.00% | 100.00%
Northeast [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 82,168 | $ 92,081
Percentage | 36.90% | 40.70%
Southeast [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 65,073 | $ 60,116
Percentage | 29.30% | 26.50%
Midwest [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 33,990 | $ 32,782
Percentage | 15.30% | 14.50%
West [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 25,453 | $ 25,608
Percentage | 11.50% | 11.30%
Southwest [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 7,073 | $ 7,661
Percentage | 3.20% | 3.40%
Mid-Atlantic [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 376 | $ 201
Percentage | 0.20% | 0.10%
International [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 8,089 | $ 8,012
Percentage | 3.60% | 3.50%

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- Definition Net fair value of all derivative instruments designated as fair value hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 5 -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480463/815-10-45-5 + Details
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