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Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value - USD ($) $ in Thousands | Sep. 30, 2023 | Sep. 30, 2022
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Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 226,461 | $ 192,957
Percentage | 100.00% | 100.00%
Northeast [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 92,081 | $ 92,939
Percentage | 40.70% | 48.20%
Southeast [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 60,116 | $ 51,797
Percentage | 26.50% | 26.80%
Midwest [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 32,782 | $ 16,023
Percentage | 14.50% | 8.30%
West [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 25,608 | $ 20,196
Percentage | 11.30% | 10.50%
Southwest [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 7,661 | $ 6,288
Percentage | 3.40% | 3.30%
Mid-Atlantic [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 201 | $ 265
Percentage | 0.10% | 0.10%
International [Member] |  |
Investments (Details) - Schedule of Portfolio Composition by Geographic Location at Fair Value [Line Items] |  |
Fair Value | $ 8,012 | $ 5,449
Percentage | 3.50% | 2.80%

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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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