Net Increase in Net Assets Resulting from Operations per Common Share - Computation of Basic Income Per Common Share (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net increase in net assets resulting from operations	$ 11,721,773	$ 10,231,052	$ 13,757,530	$ 26,313,723
Weighted-average shares outstanding for the period
Basic	40,774,154	33,160,481	41,119,467	32,360,107
Diluted	40,774,154	33,160,481	41,119,467	32,360,107
Basic and diluted income per common share
Basic	$ 0.29	$ 0.31	$ 0.33	$ 0.81
Diluted	$ 0.29	$ 0.31	$ 0.33	$ 0.81