Stockholders' Equity - Additional Information (Details)										1 Months Ended	3 Months Ended		6 Months Ended		22 Months Ended	107 Months Ended	245 Months Ended
		Aug. 02, 2022 USD ($) $ / shares shares	Feb. 06, 2019 USD ($)	Nov. 30, 2018	Oct. 30, 2018 USD ($) shares	Sep. 14, 2016 USD ($)	Dec. 14, 2015 USD ($)	Aug. 05, 2015 USD ($)	Apr. 08, 2004 $ / shares shares	Aug. 31, 2022 USD ($)	Jun. 30, 2024 $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2024 $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) $ / shares shares	Mar. 31, 2024 shares	Dec. 31, 2023 $ / shares shares	Mar. 31, 2023 shares	Dec. 31, 2022 $ / shares shares
Class Of Stock [Line Items]
Equity offerings of common stock | $		$ 30,000,000								$ 30,000,000					$ 0		$ 2,240,067,000
Shares repurchased											0	198,084	0	198,084		15,593,120
Weighted-average price per share | $ / shares												$ 11.6		$ 11.6		$ 15.91
Cost of Shares Repurchased | $			$ 48,107,000		$ 50,000,000	$ 50,000,000	$ 50,000,000	$ 50,000,000								$ 248,107,000
Cost of Shares Repurchased | $												$ 2,297,000		$ 2,297,000		$ 248,107,000
Discount rate of average net asset value per share												23.63%		23.48%
Reverse stock split, conversion ratio					0.33
Reverse stock split, description				The Company’s Board approved a one-for-three reverse stock split of the Company’s common stock on October 30, 2018, which was effective as of close of business as of November 30, 2018 (the “Reverse Stock Split”).
Number of shares, reverse stock splits									20,700,000
Common stock, shares authorized											130,000,000		130,000,000		130,000,000	130,000,000	130,000,000		130,000,000
Common stock, par value | $ / shares		$ 0.001									$ 0.001		$ 0.001		$ 0.001	$ 0.001	$ 0.001		$ 0.001
Common stock, shares issued		1,932,641									65,253,275	65,253,275	65,253,275	65,253,275	65,253,275	65,253,275	65,253,275	65,253,275	65,253,275	65,451,359	65,451,359
Share purchase price par value | $ / shares		$ 15.52							$ 15
Lock up period		2 years
Offering cost | $		$ 300,000
Shares repurchased during the period												198,084		198,084
Net asset value per share | $ / shares	[1]										$ 15.38	$ 15.20	$ 15.38	$ 15.20	$ 15.38	$ 15.38	$ 15.38		$ 15.41		$ 15.1
Common Stock
Class Of Stock [Line Items]
Reverse stock split, conversion ratio					0.33
Reverse stock split, description					On October 30, 2018, the Company’s Board approved a one-for-three reverse stock split of the Company’s common stock which was effective as of the close of business on November 30, 2018.
Fractional Shares
Class Of Stock [Line Items]
Shares repurchased																15,593,150
Weighted-average price per share | $ / shares																$ 15.91
Cost of Shares Repurchased inclusive commissions | $																$ 248,107,000
Number of shares, reverse stock splits					29

[1] Totals may not foot due to rounding.