Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Investment Income:
Paid-in-kind interest	$ 3,868	$ 4,455	$ 3,148
Total investment income	184,134	116,717	93,986
Expenses:
Interest and other debt financing costs	58,742	31,880	19,766
Management fees	19,613	16,344	14,118
Income based incentive fees	17,451	11,214	9,849
Capital gains based incentive fees		(6,324)	6,324
Professional fees	1,593	1,302	1,769
Directors’ fees	600	524	475
Other general and administrative expenses	2,753	2,660	2,628
Total expenses	100,752	57,600	54,929
Management fees waiver	(190)	(229)	(3,302)
Income based incentive fees waiver	(276)	(538)	(7,517)
Net expenses	100,286	56,833	44,110
Net investment income before taxes	83,848	59,884	49,876
(Benefit) provision for income and excise taxes	1,307	155	2,250
Net investment income	82,541	59,729	47,626
Net realized gain (loss) on:
Foreign currency transactions	(1,435)	(33)	(311)
Net change in unrealized appreciation (depreciation) on:
Net realized and unrealized gains (losses) on investments	263	(43,379)	37,404
Benefit (provision) for taxes on realized gain on investments	132	(911)	(1,177)
Benefit (provision) for taxes on unrealized appreciation (depreciation) on investments	901	105	(220)
Net increase (decrease) in net assets resulting from operations	$ 83,837	$ 15,544	$ 83,633
Per common share data:
Net increase (decrease) in net assets resulting from operations per share (basic and diluted):	$ 2.33	$ 0.5	$ 2.94
Net investment income per share (basic):	2.3	1.93	1.67
Net investment income per share (diluted):	$ 2.3	$ 1.93	$ 1.67
Weighted average shares outstanding (basic):	35,928,203	30,887,360	28,477,771
Weighted average shares outstanding (diluted):	35,928,203	30,887,360	28,477,771
Foreign Currency Forward Contracts
Net realized gain (loss) on:
Foreign currency transactions	$ 1,021	$ 24	$ (193)
Foreign currency forward contracts	1,021	24	(193)
Net change in unrealized appreciation (depreciation) on:
Foreign currency forward contracts	(2,954)	6,513	2,116
Non-controlled Non-affiliated Investments
Investment Income:
Interest income	162,089	101,751	81,371
Paid-in-kind interest	3,191	1,564	1,881
Dividend income	438	127	1,919
Other income	658	540	791
Net realized gain (loss) on:
Net realized gain (loss) on investments	(12,465)	1,157	3,687
Net change in unrealized appreciation (depreciation) on:
Net change in unrealized appreciation (depreciation) on investments and foreign currency translation	21,772	(43,818)	12,535
Non-controlled Affiliated Investments
Investment Income:
Interest income	2,974	1,625	1,170
Paid-in-kind interest	816	2,106	1,235
Dividend income	2,058	5,169	2,414
Other income	309		3
Net realized gain (loss) on:
Net realized gain (loss) on investments		7,098	28,810
Net change in unrealized appreciation (depreciation) on:
Net change in unrealized appreciation (depreciation) on investments and foreign currency translation	(4,505)	(9,419)	(10,464)
Controlled Investments
Investment Income:
Interest income	609	745	2
Paid-in-kind interest	192	732
Dividend income	10,800	2,358	3,200
Net realized gain (loss) on:
Net realized gain (loss) on investments		(3,301)
Net change in unrealized appreciation (depreciation) on:
Net change in unrealized appreciation (depreciation) on investments and foreign currency translation	$ (1,171)	$ (1,600)	$ 602