CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net increase (decrease) in net assets resulting from operations	$ 49,307	$ 29,053
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	(4)	(944)
Net realized (gain) loss on foreign currency forward contracts	(2)	(33)
Net realized (gain) loss on foreign currency and other transactions	18	4
Net change in unrealized (gain) loss on investments	(7,617)	(4,606)
Net change in unrealized (gain) loss on foreign currency forward contracts	(2,353)	(113)
Net change in unrealized (gain) loss on foreign currency and other transactions	(639)	1
Payment-in-kind interest income	(2,994)	(2,112)
Net accretion of discounts and amortization of premiums	(2,602)	(1,612)
Purchases of investments	(363,194)	(100,417)
Proceeds from principal payments and sale of investments and settlement of forward contracts	90,345	34,810
Amortization of deferred financing costs	1,999	730
Changes in operating assets and liabilities:
Interest and dividend receivable	(5,327)	(5,815)
Other assets	296	9,241
Interest payable	4,410	1,883
Payable for unsettled trades	(7,315)	(134)
Management fees payable	1,180	595
Incentive fees payable	1,972	1,464
Accounts payable and accrued expenses	621	(12)
Directors’ fees payable	38	23
Net cash provided by (used in) operating activities	(241,861)	(37,994)
Cash flows from financing activities:
Payments of deferred financing costs	(303)	(519)
Proceeds from issuance of common stock	264,847	95,977
Repurchases of common stock	(20,442)	(9,185)
Stockholder distributions paid, net of stock issued under the dividend reinvestment plan of $14,404 and $6,731, respectively	(19,949)	(11,902)
Net cash provided by (used in) financing activities	225,118	22,357
Net increase (decrease) in Cash and Restricted cash and cash equivalents	(16,743)	(15,637)
Effect of foreign currency exchange rates	(2)	(5)
Cash and Restricted cash and cash equivalents, beginning of period	77,755	52,204	$ 52,204
Cash and Restricted cash and cash equivalents, end of period	61,010	36,562	77,755
Supplemental disclosure of cash flow information:
Cash interest paid during the period	20,811	9,476
Cash paid for income taxes, including excise taxes, during the period	450	170
Reconciliation of cash and restricted cash
Cash and cash equivalents	13,197	4,319	17,586	$ 5,716
Restricted cash and cash equivalents	47,813	32,243	60,169	46,488
Total cash and restricted cash and cash equivalents shown on the Consolidated Statements of Cash Flows	61,010	36,562	$ 77,755	$ 52,204
Term Loan
Cash flows from financing activities:
Borrowings	0	55,000
Repayments	(800)	(3,114)
SPV Credit Facility
Cash flows from financing activities:
Borrowings	166,900	126,600
Repayments	(140,300)	(230,500)
Revolving Credit Facility
Cash flows from financing activities:
Borrowings	218,700	0
Repayments	$ (243,535)	$ 0