Consolidated Statements of Changes in Net Assets - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Consolidated Statements of Changes in Net Assets [Line Items]
Beginning Balance	$ 504,197,245	$ 456,878,493	$ 346,276,680
Increase (decrease) in net assets resulting from operations:
Net investment income	53,244,560	47,400,123	34,797,252
Net realized gain (loss) on investments	1,850,609	(3,392,982)	6,174,089
Net change in unrealized appreciation (depreciation) on investments	$ 12,171,818	$ 5,293,903	$ (30,414,638)
Capital transactions:
Issuance of common stock, Shares	9,609,300	4,343,036	14,537,105
Issuance of common stock, Value	$ 91,204,663	$ 40,254,162	$ 140,520,891
Contribution of non-controlling interest into ABPCIC Equity Holdings, LLC, Value	$ 8,560	$ 13,316	$ 12,592
Issuance of common shares pursuant to distribution reinvestment plan, Shares	3,018,996	2,319,546	2,452,885
Issuance of common shares pursuant to distribution reinvestment plan, Value	$ 28,553,580	$ 21,460,697	$ 23,040,598
Repurchase of common stock, Shares	(3,290,040)	(2,525,963)	(2,105,851)
Repurchase of common stock, Value	$ (31,120,345)	$ (23,403,769)	$ (19,931,772)
Distributions to stockholders	(53,059,145)	(40,306,698)	(43,597,199)
Total increase (decrease) for the period	102,854,300	47,318,752	110,601,813
Ending Balance	$ 607,051,545	$ 504,197,245	$ 456,878,493	$ 346,276,680
Distributions declared per share	$ 0.88	$ 0.77	$ 0.98	$ 0.64
Common Stock [Member]
Consolidated Statements of Changes in Net Assets [Line Items]
Beginning Balance, Shares	54,364,707	50,228,088	35,343,949
Beginning Balance	$ 543,647	$ 502,281	$ 353,440
Capital transactions:
Issuance of common stock, Shares	9,609,300	4,343,036	14,537,105
Issuance of common stock, Value	$ 96,093	$ 43,431	$ 145,371
Issuance of common shares pursuant to distribution reinvestment plan, Shares	3,018,996	2,319,546	2,452,885
Issuance of common shares pursuant to distribution reinvestment plan, Value	$ 30,190	$ 23,195	$ 24,529
Repurchase of common stock, Shares	(3,290,040)	(2,525,963)	(2,105,851)
Repurchase of common stock, Value	$ (32,900)	$ (25,260)	$ (21,059)
Total increase (decrease) for the period, shares	9,338,256	4,136,619	14,884,139
Total increase (decrease) for the period	$ 93,383	$ 41,366	$ 148,841
Ending Balance, Shares	63,702,963	54,364,707	50,228,088	35,343,949
Ending Balance	$ 637,030	$ 543,647	$ 502,281	$ 353,440
Paid in Capital in Excess of Par [Member]
Consolidated Statements of Changes in Net Assets [Line Items]
Beginning Balance	524,279,891	485,940,938	339,292,017
Capital transactions:
Issuance of common stock, Value	91,108,570	40,210,731	140,375,520
Issuance of common shares pursuant to distribution reinvestment plan, Value	28,523,390	21,437,502	23,016,069
Repurchase of common stock, Value	(31,087,445)	(23,378,509)	(19,910,713)
Total increase (decrease) for the period	88,544,515	38,269,724	143,480,876
Tax reclassification of stockholders' equity in accordance with GAAP	(593,367)	69,229	3,168,045
Ending Balance	612,231,039	524,279,891	485,940,938	339,292,017
Distributable Earnings [Member]
Consolidated Statements of Changes in Net Assets [Line Items]
Beginning Balance	(20,678,340)	(29,599,112)	6,614,462
Increase (decrease) in net assets resulting from operations:
Net investment income	53,244,791	47,401,308	34,798,058
Net realized gain (loss) on investments	1,850,536	(3,392,982)	6,174,089
Net change in unrealized appreciation (depreciation) on investments	12,169,853	5,288,373	(30,420,477)
Capital transactions:
Distributions to stockholders	(53,059,145)	(40,306,698)	(43,597,199)
Total increase (decrease) for the period	14,206,035	8,990,001	(33,045,529)
Tax reclassification of stockholders' equity in accordance with GAAP	593,367	(69,229)	(3,168,045)
Ending Balance	$ (5,878,938)	$ (20,678,340)	$ (29,599,112)	6,614,462
Distributions declared per share	$ 0.88	$ 0.77	$ 0.98
Non-Controlling Interest - ABPCIC Equity Holdings, LLC [Member]
Consolidated Statements of Changes in Net Assets [Line Items]
Beginning Balance	$ 52,047	$ 34,386	$ 16,761
Increase (decrease) in net assets resulting from operations:
Net investment income	(231)	(1,185)	(806)
Net realized gain (loss) on investments	73
Net change in unrealized appreciation (depreciation) on investments	1,965	5,530	5,839
Capital transactions:
Contribution of non-controlling interest into ABPCIC Equity Holdings, LLC, Value	8,560	13,316	12,592
Total increase (decrease) for the period	10,367	17,661	17,625
Ending Balance	$ 62,414	$ 52,047	$ 34,386	$ 16,761