Organization - Additional Information (Details) $ / shares in Units, $ in Thousands				9 Months Ended	12 Months Ended	225 Months Ended
	Aug. 02, 2022 USD ($) $ / shares	Oct. 30, 2018	Apr. 08, 2004 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2022 USD ($) $ / shares	Dec. 31, 2022 USD ($) $ / shares	Jul. 22, 2019 $ / shares
Organization [Line Items]
Operations commenced date			Apr. 08, 2004
Proceeds from initial public offering			$ 870,000
Common stock shares issued | shares			62,000,000	1,932,641
Common stock issued, price per share | $ / shares	$ 15.52		$ 15.00
Stock issued, reverse stock splits | shares			20,700,000
Common stock, par value | $ / shares	$ 0.001			$ 0.001	$ 0.001	$ 0.001	$ 0.001
Shares issued price per share adjusted for reverse stock split | $ / shares			$ 45.00
Reverse stock split, conversion ratio		0.33
Net proceeds from additional offerings of common stock	$ 30,000,000			$ 30,000	$ 0	$ 2,240,067
Repurchased common stock value				1,638	$ 21,100	$ 245,810
Maximum
Organization [Line Items]
Middle market investment companies EBIDTA				$ 75,000