Consolidated Statements of Changes in Net Assets - USD ($)	3 Months Ended						12 Months Ended
	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Beginning balance, shares		11,196,319		12,455,723		7,772,200	11,196,319	12,455,723	7,772,200
Beginning balance		$ 272,701,309		$ 305,912,779		$ 194,631,542	$ 272,701,309	$ 305,912,779	$ 194,631,542
Net investment income (loss)							30,956,592	32,044,723	20,925,908
Net realized gain (loss) on investments							(6,703,118)	781,864	839,046
Net change in unrealized appreciation (depreciation) on investments							$ (4,511,639)	$ (3,036,660)	$ (5,604,979)
Issuance of common shares, shares	1,581,385	21,853	38,744	44,339	246,091	2,514,909	1,761,653	738,979	4,144,379
Issuance of common shares	$ 37,000,000	$ 532,335	$ 950,000	$ 1,088,965	$ 6,036,592	$ 62,973,318	$ 41,391,335	$ 18,178,008	$ 103,419,659
Redemption of common shares							(45,794,531)	(68,165,852)
Distributions to shareholders							(29,743,979)	(32,068,284)	(21,640,954)
Shares issued in connection with dividend reinvestment plan							$ 4,211,092	$ 19,054,731	$ 13,342,557
Ending balance, shares	11,221,763		11,196,319		12,455,723		11,221,763	11,196,319	12,455,723
Ending balance	$ 262,507,061		$ 272,701,309		$ 305,912,779		$ 262,507,061	$ 272,701,309	$ 305,912,779
Common Shares
Beginning balance, shares		11,196,319		12,455,723		7,772,200	11,196,319	12,455,723	7,772,200
Beginning balance		$ 11,198		$ 12,456		$ 7,772	$ 11,198	$ 12,456	$ 7,772
Issuance of common shares, shares							1,761,653	738,979	4,144,379
Issuance of common shares							$ 1,761	$ 739	$ 4,144
Redemption of common shares, shares							(1,910,232)	(2,774,886)
Redemption of common shares							$ (1,910)	$ (2,774)
Shares issued in connection with dividend reinvestment plan, shares							174,023	776,503	539,144
Shares issued in connection with dividend reinvestment plan							$ 174	$ 777	$ 540
Ending balance, shares	11,221,763		11,196,319		12,455,723		11,221,763	11,196,319	12,455,723
Ending balance	$ 11,223		$ 11,198		$ 12,456		$ 11,223	$ 11,198	$ 12,456
Capital in Excess of Par
Beginning balance		280,591,727		311,618,675		194,861,143	280,591,727	311,618,675	194,861,143
Issuance of common shares							41,389,574	18,177,269	103,415,515
Redemption of common shares							(45,792,621)	(68,163,078)
Shares issued in connection with dividend reinvestment plan							4,210,918	19,053,954	13,342,017
Tax reclassification of net assets							747,703	(95,093)
Ending balance	281,147,301		280,591,727		311,618,675		281,147,301	280,591,727	311,618,675
Total Distributable Earnings (Losses)
Beginning balance		$ (7,901,616)		$ (5,718,352)		$ (237,373)	(7,901,616)	(5,718,352)	(237,373)
Net investment income (loss)							30,956,592	32,044,723	20,925,908
Net realized gain (loss) on investments							(6,703,118)	781,864	839,046
Net change in unrealized appreciation (depreciation) on investments							(4,511,639)	(3,036,660)	(5,604,979)
Distributions to shareholders							(29,743,979)	(32,068,284)	(21,640,954)
Tax reclassification of net assets							(747,703)	95,093
Ending balance	$ (18,651,463)		$ (7,901,616)		$ (5,718,352)		$ (18,651,463)	$ (7,901,616)	$ (5,718,352)