Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Accounting Policies [Abstract]
Receivable for investments sold	$ 1,168,633		$ 1,168,633		$ 663,594
Payable for investments purchased	1,379,203		1,379,203		$ 997,408
Interest income	1,800	$ 2,300	3,200	$ 3,400
Payment-in-kind interest income	36,700	1,200	89,500	1,900
Dividend income	25,200	0	70,300	0
Fee income	12,800	5,700	26,800	13,900
Organization costs	0	0	0	1,090
Offering cost	1,600	1,000	3,800	2,600
Excise tax expense	$ 0	$ 0	$ 292	$ 0