NET ASSETS - Schedule of Total Shares Issued and Proceeds Received (Details) - USD ($) $ / shares in Units, $ in Thousands																							9 Months Ended
	Jan. 29, 2024	Jan. 05, 2024	Nov. 03, 2023	Jul. 17, 2023	Apr. 20, 2023	Dec. 21, 2022	Aug. 01, 2022	Apr. 25, 2022	Jan. 21, 2022	Dec. 09, 2021	Nov. 01, 2021	Aug. 23, 2021	Jul. 26, 2021	Jun. 22, 2021	Apr. 23, 2021	Mar. 11, 2021	Nov. 06, 2020	Oct. 16, 2020	Aug. 06, 2020	May 07, 2020	Dec. 31, 2019	Dec. 19, 2019	Sep. 30, 2024	Sep. 30, 2023
Stockholders' Equity Note [Abstract]
Shares issued (in shares)	5,500,000	7,888,094	5,497,609	4,357,515	2,205,038	3,193,195	2,652,775	1,800,426	1,541,568	1,491,676	1,546,427	2,593,357	1,564,928	1,034,668	1,845,984	785,751	1,870,660	1,057,641	1,105,425	1,069,522	3,310,540	50
Proceeds Received	$ 99,275	$ 142,382	$ 100,000	$ 78,565	$ 40,000	$ 60,000	$ 50,082	$ 34,964	$ 30,000	$ 29,207	$ 30,000	$ 50,000	$ 30,000	$ 20,000	$ 35,000	$ 15,000	$ 35,000	$ 20,000	$ 20,000	$ 20,000	$ 66,211	$ 1	$ 241,657	$ 118,988
Issuance price per share (in dollars per share)	$ 18.05	$ 18.05	$ 18.19	$ 18.03	$ 18.14	$ 18.79	$ 18.88	$ 19.42	$ 19.46	$ 19.58	$ 19.40	$ 19.28	$ 19.17	$ 19.33	$ 18.96	$ 19.09	$ 18.71	$ 18.91	$ 18.09	$ 18.70	$ 20.00	$ 20.00