CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2023	Mar. 31, 2022
Operations
Net investment income	$ 74,143	$ 115,999	$ 95,961
Net realized gains (losses)	(69,239)	200	(67,367)
Net change in unrealized gains (losses)	18,036	2,561	53,770
Net Increase (Decrease) in Net Assets Resulting from Operations	22,940	118,760	82,364
Distributions to Shareholders
Distribution of net investment income	(68,028)	(99,259)	(92,762)
Net Decrease in Net Assets Resulting from Distributions to Shareholders	(68,028)	(99,259)	(92,762)
Capital Share Transactions
Net proceeds from the issuance of common stock	30,000
Repurchase of common stock	(1,638)	(2,297)	(21,100)
Net Increase (Decrease) in Net Assets Resulting from Capital Share Transactions	28,362	(2,297)	(21,100)
Net Assets
Net increase (decrease) in net assets during the period	(16,726)	17,204	(31,498)
Net assets at beginning of period	1,004,832	988,106	1,036,330
Net Assets at End of Period	$ 988,106	$ 1,005,310	$ 1,004,832
Capital Share Activity
Shares issued during the period	1,932,641
Shares repurchased during the period	(128,522)	(198,084)	(1,611,936)
Shares issued at beginning of period	63,647,240	65,451,359	65,259,176
Shares outstanding at beginning of period	63,647,240	65,451,359	65,259,176
Shares Issued at End of Period	65,451,359	65,253,275	63,647,240
Shares Outstanding at End of Period	65,451,359	65,253,275	63,647,240