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Investments (Details) - Schedule of portfolio composition by geographic location at fair value - USD ($)
$ in Thousands
Mar. 31, 2023
Sep. 30, 2022
Investments (Details) - Schedule of portfolio composition by geographic location at fair value [Line Items]    
Fair Value $ 200,089 $ 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 $ 90,284 $ 92,939
Percentage 45.10% 48.20%
Southeast [Member]    
Investments (Details) - Schedule of portfolio composition by geographic location at fair value [Line Items]    
Fair Value $ 51,269 $ 51,797
Percentage 25.60% 26.80%
Midwest [Member]    
Investments (Details) - Schedule of portfolio composition by geographic location at fair value [Line Items]    
Fair Value $ 28,856 $ 16,023
Percentage 14.40% 8.30%
West [Member]    
Investments (Details) - Schedule of portfolio composition by geographic location at fair value [Line Items]    
Fair Value $ 18,936 $ 20,196
Percentage 9.50% 10.50%
Southwest [Member]    
Investments (Details) - Schedule of portfolio composition by geographic location at fair value [Line Items]    
Fair Value $ 5,591 $ 6,288
Percentage 2.80% 3.30%
Mid-Atlantic [Member]    
Investments (Details) - Schedule of portfolio composition by geographic location at fair value [Line Items]    
Fair Value $ 193 $ 265
Percentage 0.10% 0.10%
International [Member]    
Investments (Details) - Schedule of portfolio composition by geographic location at fair value [Line Items]    
Fair Value $ 4,960  
Percentage 2.50%  
Other [Member]    
Investments (Details) - Schedule of portfolio composition by geographic location at fair value [Line Items]    
Fair Value   $ 5,449
Percentage   2.80%