Federal Income Tax Matters - Schedule of Tax Character of Distributions Paid (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Schedule of Investments [Abstract]
Ordinary Income	$ 361,779	$ 372,957	$ 209,607
Long-Term Capital Gains	$ 0	$ 0	$ 28,785