CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net increase (decrease) in net assets resulting from operations		$ 45,410	$ 21,562	$ 94,717	$ 50,615
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				(224)	660
Net realized (gain) loss on foreign currency forward contracts				(2)	(1,741)
Net realized (gain) loss on foreign currency and other transactions		(112)	(180)	(94)	(176)
Net change in unrealized (gain) loss on investments				(5,222)	(1,797)
Net change in unrealized (gain) loss on foreign currency forward contracts		672	3,272	(1,681)	3,159
Net change in unrealized (gain) loss on foreign currency and other transactions		346	(1)	(293)	0
Payment-in-kind interest capitalized				(6,009)	(3,733)
Net accretion of discounts and amortization of premiums				(5,089)	(2,884)
Purchases of investments				(1,062,640)	(368,219)
Proceeds from principal payments and sale of investments and settlement of forward contracts				220,306	81,936
Amortization of debt issuance costs		2,226	1,523	4,225	2,253
Changes in operating assets and liabilities:
Interest and dividend receivable				(11,528)	(7,065)
Receivable for unsettled trades				(9,085)	0
Other assets				393	9,259
Interest payable				2,803	1,587
Payable for unsettled trades				(50,015)	(12,947)
Base management fees payable				2,567	1,130
Incentive fees payable				2,740	1,105
Accounts payable and accrued expenses				4,484	2,791
Net cash provided by (used in) operating activities				(819,647)	(244,067)
Cash flows from financing activities:
Borrowings on debt				1,328,223	406,900
Repayments of debt				(799,477)	(367,840)
Proceeds from short-term borrowings				0	83,088
Debt issuance costs capitalized				(3,428)	(536)
Proceeds from issuance of common stock				386,721	181,268
Repurchases of common stock				(32,252)	(16,001)
Stockholder distributions paid				(46,375)	(26,705)
Net cash provided by (used in) financing activities				833,412	260,174
Net increase (decrease) in cash and restricted cash and cash equivalents				13,765	16,107
Effect of foreign currency exchange rates				(2)	176
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	$ 68,487	91,518	68,487	91,518	68,487	77,755
Supplemental disclosure of cash flow information:
Cash interest paid during the period				50,564	21,315
Cash paid for income taxes, including excise taxes, during the period				554	209
Supplemental disclosure of non-cash financing activities:
Stock issued in connection with dividend reinvestment plan	9,400	18,862	9,400	33,266	16,131
Reconciliation of cash and restricted cash
Cash and cash equivalents	10,154	19,370	10,154	19,370	10,154	17,586	$ 5,716
Restricted cash and cash equivalents	58,333	72,148	58,333	72,148	58,333	60,169	46,488
Total cash and restricted cash and cash equivalents shown on the Consolidated Statements of Cash Flows	$ 68,487	$ 91,518	$ 68,487	$ 91,518	$ 68,487	$ 77,755	$ 52,204