Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Cash flows from operating activities:
Net increase in net assets resulting from operations	$ 55,443	$ 51,398
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities:
Purchases of portfolio investments	(336,180)	(277,584)
Repayments received / sales of portfolio investments	116,581	168,751
Loan origination and other fees received	9,512	6,096
Net realized (gain) loss on investments	465	3,559
Net realized (gain) loss on foreign currency transactions	(722)	397
Net realized (gain) loss on forward currency contracts	(25,952)	14,917
Net unrealized (appreciation) depreciation on investments	(19,381)	(1,916)
Net unrealized (appreciation) depreciation on foreign currency transactions	3,917	(1,850)
Net unrealized (appreciation) depreciation on forward currency contracts	39,714	(25,940)
Payment-in-kind interest / dividends	(7,426)	(5,648)
Amortization of deferred financing fees	687	549
Accretion of loan origination and other fees	(3,268)	(3,191)
Amortization / accretion of purchased loan premium / discount	(2,189)	(245)
Payments for derivative contracts	(7,769)	(18,996)
Proceeds from derivative contracts	33,721	4,080
Changes in operating assets and liabilities:
Interest and fees receivable	1,865	4,338
Prepaid expenses and other assets	(2,222)	(2,389)
Accounts payable and accrued liabilities	(1,081)	(398)
Interest payable	243	(5,173)
Net cash provided by (used in) operating activities	(144,042)	(89,245)
Cash flows from financing activities:
Borrowings under credit facilities	169,781	56,510
Repayments under credit facilities	(96,754)	(182,625)
Repayments of debt securitization	0	(4,849)
Financing fees paid	0	(117)
Issuance of common stock	214,539	351,176
Cash dividends / distributions paid	(55,370)	(38,212)
Purchases of shares in repurchase plan	(5,844)	(307)
Net cash provided by (used in) financing activities	226,352	181,576
Net increase (decrease) in cash and foreign currencies	82,310	92,331
Cash and foreign currencies, beginning of period	131,066	83,563	$ 83,563
Cash and foreign currencies, end of period	213,376	175,894	131,066
Supplemental disclosure of cash flow information:
Cash paid for interest	18,799	27,228
Excise taxes paid during the period	2,447	1,190
Summary of non-cash financing transactions:
Dividends / distributions paid through DRIP share issuances	5,574	4,466
Share repurchases payable	$ 12,793	$ 32,160	$ 5,847