CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Investment Income, Nonoperating [Abstract]
PIK interest income	$ 3,521	$ 2,029
Total Investment Income	78,698	68,331
Expenses
Management fees	6,061	4,386
Performance-based incentive fees	6,433	6,038
Interest and other debt expenses	30,464	26,179
Administrative services expense	1,016	1,223
Other general and administrative expenses	1,248	2,129
Total expenses	45,222	39,955
Expense reimbursements	(806)	(168)
Net Expenses	44,416	39,787
Net Investment Income	34,282	28,544
Net realized gains (losses):
Foreign currency transactions	(313)	(618)
Net realized gains (losses)	3,087	(8,088)
Net change in unrealized gains (losses):
Foreign currency forward contracts	24
Foreign currency translations	(814)	778
Net change in unrealized gains (losses)	(7,039)	5,033
Net Realized and Change in Unrealized Gains (Losses)	(3,952)	(3,055)
Net Increase (Decrease) in Net Assets Resulting from Operations	$ 30,330	$ 25,489
Earnings (Loss) Per Share - Basic	$ 0.32	$ 0.39
Non-controlled/Non-affiliated Investments
Investment Income, Nonoperating [Abstract]
Interest income (excluding Payment-in-kind ("PIK") interest income)	$ 69,302	$ 59,996
Dividend income		12
PIK interest income	3,170	1,995
Other income	324	1,708
Net realized gains (losses):
Net realized gains (losses)	3,588	(7,470)
Net change in unrealized gains (losses):
Net change in unrealized gains (losses)	(6,088)	4,983
Non-controlled/Affiliated Investments
Investment Income, Nonoperating [Abstract]
Interest income (excluding Payment-in-kind ("PIK") interest income)	1,229	299
Dividend income	240
PIK interest income	351	34
Net realized gains (losses):
Net realized gains (losses)	(188)
Net change in unrealized gains (losses):
Net change in unrealized gains (losses)	(1,509)	(2,341)
Controlled Investments
Investment Income, Nonoperating [Abstract]
Interest income (excluding Payment-in-kind ("PIK") interest income)	4,072	4,287
Other income	10
Net change in unrealized gains (losses):
Net change in unrealized gains (losses)	$ 1,348	$ 1,613