SECURED BORROWINGS - Schedule of Debt Obligations (Details) - USD ($)	Sep. 30, 2024	Aug. 27, 2024	Aug. 26, 2024	Apr. 09, 2024	Apr. 08, 2024	Dec. 31, 2023	Dec. 07, 2023	Dec. 06, 2023	Nov. 21, 2023	Nov. 20, 2023
Debt Instrument [Line Items]
Total Commitment	$ 1,396,714,000					$ 1,167,000,000
Amount outstanding	1,101,964,000					951,877,000
Unused portion	294,750,000					215,123,000
Amount available	291,490,000					214,960,000
CLO-I | Secured Debt
Debt Instrument [Line Items]
Total Commitment	342,000,000					342,000,000
Amount outstanding	342,000,000					342,000,000
Unused portion	0					0
Amount available	0					0
CLO-II | Secured Debt
Debt Instrument [Line Items]
Total Commitment	214,714,000					215,000,000
Amount outstanding	214,714,000					215,000,000
Unused portion	0					0
Amount available	0					0
CLO-III | Secured Debt
Debt Instrument [Line Items]
Total Commitment	215,000,000
Amount outstanding	215,000,000
Unused portion	0
Amount available	0
Secured Debt | Credit Facility
Debt Instrument [Line Items]
Total Commitment	250,000			$ 250,000,000	$ 185,000,000
Secured Debt | Wells Fargo Financing Facility | Credit Facility
Debt Instrument [Line Items]
Total Commitment	225,000,000					275,000,000
Amount outstanding	95,000,000					231,000,000
Unused portion	130,000,000					44,000,000
Amount available	130,000,000	$ 225,000,000	$ 150,000,000			43,837,000
Secured Debt | SMBC Financing Facility | Credit Facility
Debt Instrument [Line Items]
Total Commitment	150,000,000					150,000,000	$ 150,000,000	$ 300,000,000	$ 150,000,000	$ 300,000,000
Amount outstanding	122,500,000					37,377,000
Unused portion	27,500,000					112,623,000
Amount available	24,240,000					112,623,000
Secured Debt | Revolving Credit Facility | Credit Facility
Debt Instrument [Line Items]
Total Commitment	250,000,000					185,000,000
Amount outstanding	112,750,000					126,500,000
Unused portion	137,250,000					58,500,000
Amount available	$ 137,250,000					$ 58,500,000