Taxes and Distributions (Tables)

12 Months Ended

Sep. 30, 2025

Income Tax Disclosure [Abstract]

Summary of Amounts Reclassified for Tax Purposes

The following amounts were reclassified for tax purposes ($ in thousands):

	Years Ended September 30,
	2025			2024			2023
Increase (Decrease) in paid-in capital	$	(3,462	)	$	(2,800	)	$	(1,703	)
Increase (Decrease) in accumulated net realized gain		68			(11,993	)		(1,494	)
Increase in undistributed net investment income		3,394			14,793			3,197

Summary of Reconciles Net (Decrease) Increase in Net Assets Resulting From Operations to Taxable Income

The following reconciles net (decrease) increase in net assets resulting from operations to taxable income ($ in thousands):

	Years Ended September 30,
	2025			2024			2023
Net increase (decrease) in net assets resulting from operations	$	32,725		$	48,852		$	(33,807	)
Net realized (gain) loss on investments		52,434			33,646			156,757
Net change in unrealized (appreciation) depreciation on investments and debt		(39,108	)		(22,428	)		(57,417	)
Other book-to-tax differences		(1,551	)		9,268			(6,006	)
Other non-deductible expenses		3,372			3,245			5,766
Taxable income before dividends paid deduction	$	47,872		$	72,583		$	65,293

Summary of undistributed taxable income on a tax basis and reconciliation to accumulated deficit on a book basis

The components of undistributed taxable income on a tax basis and reconciliation to accumulated deficit on a book basis are as follows:

	Years Ended September 30,
	2025			2024			2023
Undistributed net investment income – tax basis	$	45,948		$	65,962		$	62,710
Short-term realized loss carried forward		(6,164	)		(3,397	)		(1,699	)
Long-term realized loss carried forward		(336,619	)		(287,545	)		(379,074	)
Distributions payable and other book to tax differences		(31,184	)		(37,435	)		83,860
Net unrealized appreciation (depreciation) on investments and debt		51,398			12,290			(10,141	)
Total accumulated deficit – book basis	$	(276,621	)	$	(250,125	)	$	(244,344	)

Summary of Tax Characteristics of Distributions Declared

The tax characteristics of distributions declared are as follows:

	Years Ended September 30,
	2025		2024		2023
Ordinary income (including short-term gains, if any)	$	62,684	$	57,420	$	49,571
Long-term capital gain		—		—		—
Total distributions	$	62,684	$	57,420	$	49,571
Total distributions declared per share	$	0.96	$	0.88	$	0.76