COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	$ 211,094	$ 180,547
Investment, Identifier [Axis]: 360 Training
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,094	0
Investment, Identifier [Axis]: ARMstrong
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,587	3,847
Investment, Identifier [Axis]: ASTP Holdings Co-Investment LP
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	106	34
Investment, Identifier [Axis]: Allstar Holdings
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	7,373	7,373
Investment, Identifier [Axis]: Alternative Logistics Technologies Buyer, LLC
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,040	0
Investment, Identifier [Axis]: Anne Arundel
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	366	366
Investment, Identifier [Axis]: Apex Companies
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,002	1,115
Investment, Identifier [Axis]: Aramsco
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	297	0
Investment, Identifier [Axis]: Bounteous
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	4,467
Investment, Identifier [Axis]: BusinesSolver
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	873	970
Investment, Identifier [Axis]: CMP Ren Partners I-A LP
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	15	15
Investment, Identifier [Axis]: Chroma Color
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,379	1,379
Investment, Identifier [Axis]: ClaimLogiq
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,225	3,225
Investment, Identifier [Axis]: Classic Collision
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	21,867
Investment, Identifier [Axis]: Contract Land Staff
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,025	0
Investment, Identifier [Axis]: Covercraft
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	4,386
Investment, Identifier [Axis]: Crete
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,443
Investment, Identifier [Axis]: CrossCountry Consulting
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,320	3,320
Investment, Identifier [Axis]: D&H United Fueling Solutions
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,567
Investment, Identifier [Axis]: DMC Power
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,671	1,671
Investment, Identifier [Axis]: Diligent Corporation
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,830	0
Investment, Identifier [Axis]: E78
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	15,639	2,570
Investment, Identifier [Axis]: Elevation Labs
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,188	3,125
Investment, Identifier [Axis]: Eliassen Group, LLC
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,903
Investment, Identifier [Axis]: Engage
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	7,433	8,113
Investment, Identifier [Axis]: Ergotech (INS)
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,979	1,979
Investment, Identifier [Axis]: Evergreen Services Group II
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	4,488
Investment, Identifier [Axis]: Excel Fitness
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,371	0
Investment, Identifier [Axis]: EyeSouth
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	885	885
Investment, Identifier [Axis]: Fairway Lawns
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	6,327	419
Investment, Identifier [Axis]: Firstcall Mechanical Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	20,000	0
Investment, Identifier [Axis]: GHR Healthcare
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,595	0
Investment, Identifier [Axis]: Health Management Associates
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	754	1,026
Investment, Identifier [Axis]: Heartland Veterinary Partners
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,600	0
Investment, Identifier [Axis]: High Bar Brands
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	596	596
Investment, Identifier [Axis]: ITSavvy
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	158	158
Investment, Identifier [Axis]: Impact Environmental Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,928	7,203
Investment, Identifier [Axis]: Infobase
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	721
Investment, Identifier [Axis]: Insulation Technology Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	5,912	0
Investment, Identifier [Axis]: Integrated Power Services
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	5,487	0
Investment, Identifier [Axis]: Kenco
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	7,950	1,416
Investment, Identifier [Axis]: Legacy Service Partners
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	764
Investment, Identifier [Axis]: Leo Facilities
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,671	6,429
Investment, Identifier [Axis]: Liberty Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	449	449
Investment, Identifier [Axis]: MEI Buyer LLC
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,814	1,814
Investment, Identifier [Axis]: MGM Transformer Company
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	6,388
Investment, Identifier [Axis]: Market Performance Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,086	0
Investment, Identifier [Axis]: Mobile Communications America Inc
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	5,671	5,970
Investment, Identifier [Axis]: Mosaic Dental
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	254	553
Investment, Identifier [Axis]: NJEye, LLC
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	489	489
Investment, Identifier [Axis]: National Power
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,051	3,051
Investment, Identifier [Axis]: NearU
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,034	3,291
Investment, Identifier [Axis]: North Haven Spartan US Holdco LLC
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,260	0
Investment, Identifier [Axis]: Online Labels Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	807	807
Investment, Identifier [Axis]: Ovation Holdings
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	343	343
Investment, Identifier [Axis]: PT Intermediate Holdings III, LLC
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,238	0
Investment, Identifier [Axis]: Palmetto Exterminators
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	109	652
Investment, Identifier [Axis]: Pinnacle Supply Partners, LLC
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,242	3,636
Investment, Identifier [Axis]: Precision Aviation Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	4,162	4,961
Investment, Identifier [Axis]: Prompt Care
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,437	0
Investment, Identifier [Axis]: Propark Mobility
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	11,995	1,797
Investment, Identifier [Axis]: RMA Companies
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,789	3,510
Investment, Identifier [Axis]: Randy's Worldwide Automotive
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,060	3,750
Investment, Identifier [Axis]: Repipe Specialists
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	691
Investment, Identifier [Axis]: Rhino Tool House
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	36	921
Investment, Identifier [Axis]: Riveron
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,607	1,607
Investment, Identifier [Axis]: RoadOne
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,397	1,397
Investment, Identifier [Axis]: RoadOne- Common
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	235
Investment, Identifier [Axis]: S&S Truck Parts
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	246
Investment, Identifier [Axis]: Sciens Building Solutions, LLC
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,623
Investment, Identifier [Axis]: Sunny Sky Products
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,773	1,773
Investment, Identifier [Axis]: TIDI Products
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	4,085	4,085
Investment, Identifier [Axis]: TPC Wire & Cable Corp
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	857	0
Investment, Identifier [Axis]: Tech24
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,046	3,655
Investment, Identifier [Axis]: Technical Safety Services
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,631	2,429
Investment, Identifier [Axis]: Tencate
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,540	0
Investment, Identifier [Axis]: The Facilities Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	4,861	5,028
Investment, Identifier [Axis]: Trilon Group
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,875	4,407
Investment, Identifier [Axis]: USA Water
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,037	0
Investment, Identifier [Axis]: Velosio
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,284	0
Investment, Identifier [Axis]: WSB / EST
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,307	4,357
Investment, Identifier [Axis]: Wellspring
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,756	3,756
Investment, Identifier [Axis]: Wpromote
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	588	588
Investment, Identifier [Axis]: Young Innovations
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	$ 3,448	$ 3,448