Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net increase in net assets resulting from operations	$ 44,341	$ 32,250	$ 45,619
Adjustments to reconcile net increase in net assets resulting from operations to net cash provided by (used in) operating activities:
Payment-in-kind interest	(19,924)	(8,655)	(2,996)
Sales or repayments of investments	296,409	168,898	303,602
Net realized (gain) loss on investments	18,387	1,061	(4,172)
Net change in unrealized (gain) loss on investments	15,547	26,485	3,045
Amortization of fixed income premiums or accretion of discounts	(8,682)	(6,863)	(7,742)
Amortization of deferred debt costs	3,027	1,390	472
Changes in operating assets and liabilities:
(Increase) decrease in interest and fees receivable	497	(5,782)	(301)
(Increase) decrease in other assets	25	227	(599)
Increase (decrease) in incentive fees payable	3,692	2,798	1,003
Increase (decrease) in interest payable	543	5,972	(219)
Increase (decrease) in accrued expenses and other liabilities	1,012	92	486
Net cash provided by (used in) operating activities	112,437	(359,846)	(61,246)
Cash flows from financing activities
Payments of deferred debt costs	(1,906)	(10,172)	(400)
Borrowings under credit facilities	210,000	484,000	161,000
Repayments under credit facilities	(275,000)	(208,000)	(199,000)
Proceeds from reverse repurchase agreements			149,249
Repayments of reverse repurchase agreements		(44,775)	(174,124)
Acquisition of treasury shares		(10,816)
Dividends paid to stockholders	(73,322)	(51,593)	(17,948)
Refunds (payments) of offering costs		16	(7,014)
Cash received from common stock issued			119,294
Net cash (used in) provided by financing activities	(115,228)	360,910	51,057
Net increase (decrease) in cash and cash equivalents	(2,791)	1,064	(10,189)
Cash and cash equivalents at beginning of period	5,761	4,697	14,886
Cash and cash equivalents at end of period	2,970	5,761	4,697
Supplemental and non-cash financing cash flow information:
Taxes paid	340	1
Interest paid	38,099	7,784	2,773
Non-cash dividend reinvestments			26,995
U.S. Treasury Bill
Adjustments to reconcile net increase in net assets resulting from operations to net cash provided by (used in) operating activities:
Purchases of investments	(76,973)		(210,002)
Sales or maturities of U.S. Treasury Bills	35,000	45,000	234,999
Purchases of Investments
Adjustments to reconcile net increase in net assets resulting from operations to net cash provided by (used in) operating activities:
Purchases of investments	(200,464)	(622,719)	(424,441)
2026 Notes
Cash flows from financing activities
Proceeds from Notes	$ 25,000	50,000	$ 20,000
2027 Notes
Cash flows from financing activities
Proceeds from Notes		$ 152,250