COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	$ 234,540	$ 180,547
Investment, Identifier [Axis]: 360 Training - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,093	0
Investment, Identifier [Axis]: ARMstrong - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,541	3,847
Investment, Identifier [Axis]: ASTP Holdings Co-Investment - Units
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	106	34
Investment, Identifier [Axis]: Action Behavior Centers - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,850	0
Investment, Identifier [Axis]: Allstar Holdings - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	990	7,373
Investment, Identifier [Axis]: Alternative Logistics Technologies Buyer, LLC - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,040	0
Investment, Identifier [Axis]: AmerCareRoyal - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	280	0
Investment, Identifier [Axis]: Anne Arundel - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	366	366
Investment, Identifier [Axis]: Apex Companies - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,115
Investment, Identifier [Axis]: Apex Services - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	293	0
Investment, Identifier [Axis]: Apex Services - First Lien Term Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	635	0
Investment, Identifier [Axis]: Apex Services - Revolving Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	55	0
Investment, Identifier [Axis]: Ascend - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	12,642	0
Investment, Identifier [Axis]: BTX Precision - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	898	0
Investment, Identifier [Axis]: Bounteous - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	4,467
Investment, Identifier [Axis]: BusinesSolver - Delayed Draw Loan
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]: CRCI Holdings Inc - Revolving Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	963	0
Investment, Identifier [Axis]: CRCI Holdings Inc - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,615	0
Investment, Identifier [Axis]: Chroma Color - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,379	1,379
Investment, Identifier [Axis]: ClaimLogiq - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	3,225
Investment, Identifier [Axis]: Classic Collision - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	21,867
Investment, Identifier [Axis]: Coding Solutions Acquisition Inc. - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,165	0
Investment, Identifier [Axis]: Coding Solutions Acquisition Inc. - Revolving Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	935	0
Investment, Identifier [Axis]: Contract Land Staff - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	4,999	0
Investment, Identifier [Axis]: Covercraft - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	4,386
Investment, Identifier [Axis]: Crete - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,443
Investment, Identifier [Axis]: CrossCountry Consulting - Delayed Draw Loan
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 - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,512	1,567
Investment, Identifier [Axis]: DMC Power - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,671	1,671
Investment, Identifier [Axis]: Diligent Corporation - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,830	0
Investment, Identifier [Axis]: E78 - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	15,639	2,570
Investment, Identifier [Axis]: Elevation Labs - Delayed Draw Loan
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 - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,903
Investment, Identifier [Axis]: Engage - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	6,214	8,113
Investment, Identifier [Axis]: Ergotech (INS) - Delayed Draw Loan
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 - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	4,488
Investment, Identifier [Axis]: Excel Fitness - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,371	0
Investment, Identifier [Axis]: EyeSouth - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	885	885
Investment, Identifier [Axis]: Fairway Lawns - Delayed Draw Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,360	419
Investment, Identifier [Axis]: Firstcall Mechanical Group - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	20,000	0
Investment, Identifier [Axis]: GHR Healthcare - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,594	0
Investment, Identifier [Axis]: Gannett Fleming - Revolving Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,131	0
Investment, Identifier [Axis]: Health Management Associates - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	754	1,026
Investment, Identifier [Axis]: Heartland Paving Partners - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	11,429	0
Investment, Identifier [Axis]: Heartland Veterinary Partners - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,200	0
Investment, Identifier [Axis]: High Bar Brands - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	596	596
Investment, Identifier [Axis]: ITSavvy - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	158
Investment, Identifier [Axis]: Impact Environmental Group - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,655	7,203
Investment, Identifier [Axis]: Infobase - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	721
Investment, Identifier [Axis]: Insulation Technology Group - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	5,912	0
Investment, Identifier [Axis]: Integrated Power Services - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	5,112	0
Investment, Identifier [Axis]: Kenco - Delayed Draw
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 - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	764
Investment, Identifier [Axis]: Leo Facilities - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	15,118	6,429
Investment, Identifier [Axis]: Liberty Group - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	449	449
Investment, Identifier [Axis]: MEI Buyer LLC - Delayed Draw
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 - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	6,388
Investment, Identifier [Axis]: Market Performance Group - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,851	0
Investment, Identifier [Axis]: Mobile Communications America Inc - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	5,167	5,970
Investment, Identifier [Axis]: Mosaic Dental - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	254	553
Investment, Identifier [Axis]: NJEye, LLC - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	489
Investment, Identifier [Axis]: National Power - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,051	3,051
Investment, Identifier [Axis]: NearU - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,792	3,291
Investment, Identifier [Axis]: North Haven Spartan US Holdco LLC - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,260	0
Investment, Identifier [Axis]: Online Labels Group - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	807	807
Investment, Identifier [Axis]: Options IT - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	236	0
Investment, Identifier [Axis]: Options IT - Revolving Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	67	0
Investment, Identifier [Axis]: Ovation Holdings - Delayed Draw
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 - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,106	0
Investment, Identifier [Axis]: Palmetto Exterminators - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	652
Investment, Identifier [Axis]: Pinnacle Supply Partners, LLC - Delayed Draw
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 - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	4,961
Investment, Identifier [Axis]: Prompt Care - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,437	0
Investment, Identifier [Axis]: Propark Mobility - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	422	1,797
Investment, Identifier [Axis]: RMA Companies - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,943	3,510
Investment, Identifier [Axis]: Randy's Worldwide Automotive - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,636	3,750
Investment, Identifier [Axis]: Repipe Specialists - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	691
Investment, Identifier [Axis]: Rhino Tool House - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	36	921
Investment, Identifier [Axis]: Riveron - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,607
Investment, Identifier [Axis]: RoadOne - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,397
Investment, Identifier [Axis]: RoadOne- Common
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	235	235
Investment, Identifier [Axis]: S&S Truck Parts - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	246
Investment, Identifier [Axis]: SI Solutions - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	5,601	0
Investment, Identifier [Axis]: Sciens Building Solutions, LLC - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	1,623
Investment, Identifier [Axis]: Sunny Sky Products - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,773	1,773
Investment, Identifier [Axis]: TIDI Products - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	4,085	4,085
Investment, Identifier [Axis]: Tech24 - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,618	3,655
Investment, Identifier [Axis]: Technical Safety Services - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,631	2,429
Investment, Identifier [Axis]: The Facilities Group - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	4,861	5,028
Investment, Identifier [Axis]: Trilon Group - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	0	4,407
Investment, Identifier [Axis]: USA Water - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	2,703	0
Investment, Identifier [Axis]: Velosio - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,284	0
Investment, Identifier [Axis]: Vensure - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	730	0
Investment, Identifier [Axis]: Vessco - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	3,898	0
Investment, Identifier [Axis]: Vessco - Revolving Loan
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,726	0
Investment, Identifier [Axis]: WSB / EST - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,307	4,357
Investment, Identifier [Axis]: Watermill Express - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,796	0
Investment, Identifier [Axis]: Wellspring - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	1,190	3,756
Investment, Identifier [Axis]: Wpromote - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	588	588
Investment, Identifier [Axis]: Young Innovations - Delayed Draw
Financial Support for Nonconsolidated Legal Entity [Line Items]
Unfunded commitments to fund delayed draw loans	$ 3,448	$ 3,448