Stockholders' Equity - Additional Information (Detail1) - USD ($)			3 Months Ended				6 Months Ended
	Aug. 31, 2020	Jul. 27, 2020	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Stockholders Equity [Line Items]
Stock repurchased, shares			711,762		678,605		1,442,797	1,101,813
Stock repurchase			$ 15,610,620	$ 16,143,789	$ 17,314,162	$ 11,215,399	$ 31,754,409	$ 28,529,560
Stock repurchased outstanding value							$ 3,242,814	$ 5,125,155
Second Amended and Restated Share Repurchase Program [Member]
Stockholders Equity [Line Items]
Percentage of common stock aggregate net asset value during previous month	2.00%
Percentage of common stock aggregate net asset value during prior quarter			5.00%	5.00%
Percentage of redemption price rate		95.00%
Percentage of waive holding discount with repurchase shares acquire		5.00%
Percentage of waive holding discount in case of death or disability of stockholder		5.00%
Second Amended and Restated Share Repurchase Program [Member] | Maximum [Member]
Stockholders Equity [Line Items]
Percentage of common stock aggregate net asset value during previous month			2.00%	2.00%
Percentage of common stock aggregate net asset value during prior quarter	5.00%