Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenues [Abstract]
Non-control/Non-affiliate investments	$ 67,737	$ 14,095
Interest on cash and cash equivalents	2,835	173
Total interest income	70,572	14,268
Total PIK interest income	621	527
Total fee income	401	87
Total investment income	71,594	14,882
Expenses:
Base management fee	5,756	1,396
Investment income incentive fee	5,754	1,240
Capital gains incentive fee	2,141	0
Professional fees	835	398
Class S and Class D distribution and shareholder servicing fees	1,281	199
Board of trustees fees	91	66
Organization expenses	0	4
Amortization of continuous offering costs	222	848
Interest expense	17,740	2,806
Administrator expense	302	144
General and administrative expenses	624	178
Total expenses	34,746	7,279
Management and incentive fees waived (Note 9)	0	(1,642)
Expense reimbursements (support) (Note 9)	1,045	(852)
Net expenses	35,791	4,785
Net investment income	35,803	10,097
Unrealized appreciation (depreciation):
Non-control/Non-affiliate investments	21,777	(2,361)
Foreign currency forward contracts	(4,858)	(481)
Net unrealized appreciation (depreciation)	16,919	(2,842)
Realized gains (losses):
Non-control/Non-affiliate investments	(1,078)	(637)
Foreign currency forward contracts	1,531	(23)
Net realized gains (losses)	453	(660)
Provision for income tax (expense) benefit	(241)	(51)
Net realized and unrealized gains (losses), net of taxes	17,131	(3,553)
Net increase (decrease) in net assets resulting from operations	$ 52,934	$ 6,544