CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended		12 Months Ended		16 Months Ended	239 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2023
Operating Activities
Net increase (decrease) in net assets resulting from operations		$ 22,940,000	$ 118,760,000	$ 82,364,000
Net realized losses (gains)	$ (1,034,000)	69,239,000	(200,000)	67,367,000
Net change in unrealized losses (gains)	(1,078,000)	(18,036,000)	(2,561,000)	(53,770,000)
Net amortization of premiums and accretion of discounts on investments		(6,131,000)	(7,751,000)	(9,611,000)
Accretion of discount on notes		453,000	604,000	684,000
Amortization of deferred financing costs		3,899,000	5,258,000	5,161,000
Increase in gains/(losses) from foreign currency transactions		273,000	69,000	(5,580,000)
PIK interest and dividends capitalized		(2,154,000)	(2,970,000)	(4,318,000)
Changes in operating assets and liabilities:
Purchases of investments		(499,632,000)	(417,124,000)	(1,140,863,000)
Proceeds from sales and repayments of investments		581,952,000	497,313,000	1,056,937,000
Decrease (increase) in interest receivable		(1,615,000)	(4,273,000)	(2,419,000)
Decrease (increase) in dividends receivable		247,000	3,509,000	(1,290,000)
Decrease (increase) in prepaid expenses and other assets		(1,078,000)	1,792,000	188,000
Increase (decrease) in management and performance-based incentive fees payable		(853,000)	1,669,000	1,246,000
Increase (decrease) in interest payable		10,211,000	948,000	1,239,000
Increase (decrease) in accrued administrative services expense		(149,000)	909,000	103,000
Increase (decrease) in other liabilities and accrued expenses		(1,178,000)	429,000	(115,000)
Net Cash Used in/Provided by Operating Activities		158,388,000	196,381,000	(2,677,000)
Financing Activities
Issuances of debt		168,000,000	630,595,000	494,694,000
Payments of debt		(231,543,000)	(655,285,000)	(401,250,000)
Financing costs paid and deferred			(10,896,000)	(333,000)
Net proceeds from the issuance of common stock		30,000,000			$ 0	$ 2,240,067,000
Repurchase of common stock		(1,638,000)	(2,297,000)	(21,100,000)		(248,107,000)
Distributions paid		(66,724,000)	(123,477,000)	(93,342,000)
Net Cash Used in/Provided by Financing Activities		(101,905,000)	(161,360,000)	(21,331,000)
Cash, Cash Equivalents and Foreign Currencies
Net increase (decrease) in cash, cash equivalents and foreign currencies during the period		56,483,000	35,021,000	(24,008,000)
Effect of foreign exchange rate changes on cash and cash equivalents		10,000	16,000	(18,000)
Cash, cash equivalents and foreign currencies at beginning of period		30,598,000	87,091,000	54,624,000
Cash, Cash Equivalents and Foreign Currencies at the End of Period	$ 122,128,000	87,091,000	122,128,000	30,598,000	$ 122,128,000	$ 122,128,000
Supplemental Disclosure of Cash Flow Information
Cash interest paid		44,613,000	97,472,000	47,897,000
Non-Cash Activity
PIK income		$ 2,662,000	$ 3,006,000	$ 4,075,000