STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended		12 Months Ended		225 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2022
Operating Activities
Net increase (decrease) in net assets resulting from operations	$ 22,940		$ 82,364	$ 111,861
Net realized (gains) losses	69,239	$ 65,346	67,367	21,506
Net change in unrealized (gains) losses	(18,036)	(74,399)	(53,770)	(23,341)
Net amortization of premiums and accretion of discounts on investments	(6,131)		(9,611)	(11,174)
Accretion of discount on notes	453		684	593
Amortization of deferred financing costs	3,899		5,161	5,074
Increase in gains/(losses) from foreign currency transactions	273		(5,580)	(4,071)
PIK interest and dividends capitalized	(2,154)		(4,318)	(6,774)
Changes in operating assets and liabilities:
Purchases of investments	(499,632)		(1,140,863)	(617,096)
Proceeds from sales and repayments of investments	581,952		1,056,937	990,451
Decrease (increase) in interest receivable	(1,615)		(2,419)	6,040
Decrease (increase) in dividends receivable	247		(1,290)	1,241
Decrease (increase) in prepaid expenses and other assets	(1,078)		188	(175)
Increase (decrease) in management and performance-based incentive fees payable	(853)		1,246	(1,623)
Increase (decrease) in interest payable	10,211		1,239	(791)
Increase (decrease) in accrued administrative services expense	(149)		103	(2,002)
Increase (decrease) in other liabilities and accrued expenses	(1,178)		(115)	952
Net Cash Used in/Provided by Operating Activities	158,388		(2,677)	470,671
Financing Activities
Issuances of debt	168,000		494,694	185,481
Payments of debt	(231,543)		(401,250)	(529,290)
Financing costs paid and deferred			(333)	(10,171)
Net proceeds from the issuance of common stock	30,000		0		$ 2,240,067
Repurchase of common stock	(1,638)		(21,100)		(245,810)
Distributions paid	(66,724)		(93,342)	(105,720)
Net Cash Used in/Provided by Financing Activities	(101,905)		(21,331)	(459,700)
Cash, Cash Equivalents and Foreign Currencies
Net increase (decrease) in cash, cash equivalents and foreign currencies during the period	56,483		(24,008)	10,971
Effect of foreign exchange rate changes on cash and cash equivalents	10		(18)	(23)
Cash, cash equivalents and foreign currencies at beginning of period	30,598	$ 54,624	54,624	43,676
Cash, Cash Equivalents and Foreign Currencies at the End of Period	87,091		30,598	54,624	$ 87,091
Supplemental Disclosure of Cash Flow Information
Cash interest paid	44,613		47,897	50,478
Non-Cash Activity
PIK income	$ 2,662		$ 4,075	$ 6,506