CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net increase (decrease) in net assets resulting from operations	$ 206,473	$ 114,558	$ 45,841
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	(2,993)	403	17
Net realized (gain) loss on foreign currency forward contracts	308	(1,755)	(664)
Net realized (gain) loss on foreign currency and other transactions	467	(272)	4
Net change in unrealized (gain) loss on investments	(1,085)	(1,459)	5,330
Net change in unrealized (gain) loss on foreign currency forward contracts	(4,588)	4,383	(711)
Net change in unrealized (gain) loss on foreign currency and other transactions	(2,732)	28	(1)
Payment-in-kind interest capitalized	(15,876)	(7,694)	(5,920)
Net accretion of discounts and amortization of premiums	(9,895)	(5,713)	(2,616)
Purchases of investments	(2,127,010)	(1,223,968)	(901,557)
Proceeds from principal payments and sale of investments and settlement of forward contracts	677,378	181,287	141,304
Amortization of debt issuance costs	9,429	5,741	2,263
Changes in operating assets and liabilities:
Interest and dividend receivable	(12,573)	(16,258)	(7,853)
Other assets	140	8,085	(9,478)
Interest payable	6,910	7,126	5,105
Payable for unsettled trades	(3,997)	43,765	13,690
Base management fees payable	5,321	3,188	1,886
Incentive fees payable	4,220	2,016	1,496
Accounts payable and accrued expenses	7,454	2,818	6,235
Net cash provided by (used in) operating activities	(1,262,649)	(883,721)	(705,629)
Cash flows from financing activities:
Borrowings on debt	2,915,521	1,679,829	1,357,900
Repayments of debt	(2,009,017)	(1,195,312)	(943,100)
Proceeds from short-term borrowings	0	180,198	0
Repayments of short-term borrowings	0	(180,198)	0
Debt issuance costs capitalized	(18,168)	(8,439)	(10,562)
Proceeds from issuance of common stock	717,832	540,971	381,995
Repurchases of common stock	(60,059)	(43,342)	(13,385)
Stockholder distributions paid	(107,186)	(64,436)	(28,983)
Net cash provided by (used in) financing activities	1,438,923	909,271	743,865
Net increase (decrease) in cash and restricted cash and cash equivalents	176,274	25,550	38,236
Effect of foreign currency exchange rates	(5)	1	(3)
Cash and restricted cash and cash equivalents, beginning of year	77,755	52,204	13,971
Cash and restricted cash and cash equivalents, end of year	254,024	77,755	52,204
Supplemental disclosure of cash flow information:
Cash interest paid during the year	115,905	49,061	14,366
Cash paid for income taxes, including excise taxes, during the year	606	289	111
Supplemental disclosure of non-cash activities:
Stock issued in connection with dividend reinvestment plan	79,603	40,892	15,349
Non-cash purchases of investments	2,100	0	0
Reconciliation of cash and restricted cash
Cash and cash equivalents	129,634	17,586	5,716
Restricted cash and cash equivalents	124,390	60,169	46,488
Total cash and restricted cash and cash equivalents shown on the Consolidated Statements of Cash Flows	$ 254,024	$ 77,755	$ 52,204