Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows from Operating Activities
Increase (decrease) in net assets resulting from operations	$ 170,862	$ 61,791
Adjustments to reconcile increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:
Net change in unrealized (gains) losses on investments	(14,700)	76,290
Net change in unrealized (gains) losses on foreign currency transactions	(2,466)	(15,095)
Net change in unrealized (gains) losses on interest rate swaps	(174)	7,184
Net realized (gains) losses on investments	(11,768)	(14,436)
Net realized (gains) losses on foreign currency transactions	(371)	(63)
Net realized (gains) losses on interest rate swaps		(2,251)
Net amortization of discount on investments	(12,798)	(12,957)
Amortization of deferred financing costs	3,725	4,306
Amortization of discount on debt	623	571
Purchases and originations of investments, net	(634,940)	(735,864)
Proceeds from investments, net	41,412	19,657
Repayments on investments	318,913	392,576
Paid-in-kind interest	(11,667)	(9,623)
Changes in operating assets and liabilities:
Interest receivable	(3,472)	(9,439)
Interest receivable paid-in-kind	(1,142)	384
Prepaid expenses and other assets	(2,929)	(26)
Management fees payable to affiliate	1,135	761
Incentive fees on net investment income payable to affiliate	233	(1,907)
Incentive fees on net capital gains accrued to affiliate	5,083	(7,721)
Payable to affiliate	991	1,281
Other liabilities	3,530	(34,241)
Net Cash Provided by (Used in) Operating Activities	(149,920)	(278,822)
Cash Flows from Financing Activities
Borrowings on debt	1,227,844	1,024,568
Repayments on debt	(1,037,681)	(586,635)
Deferred financing costs	(9,402)	(4,296)
Equity offering expenses	(479)
Public offering	89,684
Conversion of convertible notes		(22,348)
Purchases of treasury stock		(3,000)
Dividends paid to stockholders	(115,813)	(115,154)
Net Cash Provided by (Used in) Financing Activities	154,153	293,135
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	4,233	14,313
Cash, cash equivalents, and restricted cash, beginning of period	25,647	15,967
Cash, Cash Equivalents, and Restricted Cash, End of Period	29,880	30,280
Supplemental Information:
Interest paid during the period	88,765	34,012
Excise and other taxes paid during the period	2,427	1,607
Dividends declared during the period	133,567	107,879
Non-Cash Financing Activities:
Reinvestment of dividends during the period	$ 17,753	23,651
Common stock issued in settlement of convertible notes during the period		$ 77,642