Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net increase (decrease) in net assets resulting from operations	$ 29,670	$ 51,684
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:
Net unrealized (appreciation) depreciation on investments	17,106	(2,658)
Net unrealized (appreciation) depreciation on translation of assets and liabilities in foreign currencies	1	0
Net unrealized (appreciation) depreciation on interest rate swap attributed to unsecured notes	(24)	0
Net realized (gain) loss on investments	(562)	5,625
Net realized (gain) loss on foreign currency and other transactions	13	0
Net accretion of discount and amortization of premium on investments	(4,297)	(2,714)
Payment-in-kind interest and dividend capitalized	(4,936)	(3,226)
Amortization of deferred financing costs	960	926
Amortization of debt issuance costs and original issuance discount on unsecured notes	1,138	635
Purchases of investments and change in payable for investments purchased	(203,744)	(165,393)
Proceeds from sale of investments and principal repayments and change in receivable for investments sold/repaid	201,944	71,505
Changes in operating assets and liabilities:
(Increase) decrease in prepaid expenses and other assets	(2,651)	(247)
(Decrease) increase in payable to affiliates	(18)	(359)
(Decrease) increase in management fees payable	1,935	3,120
(Decrease) increase in incentive fees payable	512	(1,640)
(Decrease) increase in interest payable	(4,839)	(9,860)
(Decrease) increase in accrued expenses and other liabilities	(1,724)	(596)
Net cash provided by (used in) operating activities	34,104	(53,655)
Cash flows from financing activities:
Borrowings on debt	193,000	102,000
Repayments on debt	(163,000)	(112,000)
Deferred financing costs paid	(4,309)	0
Dividends paid in cash	(53,137)	(37,176)
Proceeds from issuance of common stock, net of underwriting & offering costs	0	95,888
Repurchases of common stock	(9,616)	0
Net cash provided by (used in) financing activities	(37,062)	48,712
Net increase (decrease) in cash, cash equivalents and restricted cash	(2,958)	(4,943)
Effect of foreign exchange rate changes on cash	(14)	0
Cash, cash equivalents and restricted cash, beginning of period	72,372	69,705
Cash, cash equivalents and restricted cash, end of period	69,400	64,762
Supplemental information and non-cash activities:
Excise tax paid	2,567	1,457
Interest expense paid	36,946	35,558
Reinvestment of dividends	0	12,792
Dividends payable	44,103	44,447
Non-cash purchases of investments	(5,010)	(24,636)
Non-cash sales of investments	5,010	24,636
From non-controlled/non-affiliated investments:
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:
Net realized (gain) loss on investments	(562)	5,625
Changes in operating assets and liabilities:
(Increase) decrease in interest and dividend receivable from non-controlled/non-affiliated investments	3,579	(457)
From non-controlled/affiliated investments:
Changes in operating assets and liabilities:
(Increase) decrease in interest and dividend receivable from non-controlled/non-affiliated investments	$ 41	$ 0