Investments - Summary of Change in Capitalized PIK balance (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Schedule of Investments [Abstract]
PIK balance at beginning of period	$ 22,325	$ 39,228	$ 21,534	$ 38,625
PIK income capitalized	811	731	1,602	1,334
Adjustments due to investments exited or written off	(19)	(124)	(19)	(124)
PIK balance at end of period	$ 23,117	$ 39,835	$ 23,117	$ 39,835