STATEMENTS OF CHANGES IN NET ASSETS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operations
Net investment income	$ 28,544	$ 29,483
Net realized gains (losses)	(8,088)	(834)
Net change in unrealized gains (losses)	5,033	1,483
Net Increase (Decrease) in Net Assets Resulting from Operations	25,489	30,132
Distributions to Shareholders
Distribution of net investment income	(24,798)	(24,870)
Net Decrease in Net Assets Resulting from Distributions to Shareholders	(24,798)	(24,870)
Net Assets
Net increase (decrease) in net assets during the period	691	5,262
Net assets at beginning of period	1,005,310	988,106
Net Assets at End of Period	$ 1,006,001	$ 993,368
Capital Share Activity
Shares issued at beginning of period	65,253,275	65,451,359
Shares outstanding at beginning of period	65,253,275	65,451,359
Shares Issued at End of Period	65,253,275	65,451,359
Shares Outstanding at End of Period	65,253,275	65,451,359