COMMITMENTS AND CONTINGENCIES - Unfunded commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Unfunded commitments
Total Unfunded Commitments	$ 40,994	$ 26,385
Revolving Loan Commitments
Unfunded commitments
Total Unfunded Commitments	19,819	15,510
Revolving Loan Commitments \| Bridgepoint Healthcare, LLC
Unfunded commitments
Total Unfunded Commitments		1,350
Revolving Loan Commitments \| BUSA Acquisition Co. (d/b/a BankCard USA Merchant Services Inc.)
Unfunded commitments
Total Unfunded Commitments	643	459
Revolving Loan Commitments \| Claridge Products and Equipment, LLC
Unfunded commitments
Total Unfunded Commitments	140	70
Revolving Loan Commitments \| Coastal Television Broadcasting Group LLC
Unfunded commitments
Total Unfunded Commitments		309
Revolving Loan Commitments \| EducationDynamics, LLC
Unfunded commitments
Total Unfunded Commitments	840	1,199
Revolving Loan Commitments \| Four Winds Health, LLC
Unfunded commitments
Total Unfunded Commitments	625
Revolving Loan Commitments \| Gulf Winds International Acquisition, LLC (d/b/a Gulf Winds International, Inc.)
Unfunded commitments
Total Unfunded Commitments	235	194
Revolving Loan Commitments \| Infotree Holdco LLC [Member]
Unfunded commitments
Total Unfunded Commitments	530
Revolving Loan Commitments \| Juniper Landscaping Holdings LLC
Unfunded commitments
Total Unfunded Commitments	677
Revolving Loan Commitments \| Leviathan Intermediate Holdco, LLC (d/b/a Unleashed Brands Group)
Unfunded commitments
Total Unfunded Commitments	570	570
Revolving Loan Commitments \| LogicMonitor, Inc.
Unfunded commitments
Total Unfunded Commitments	778	778
Revolving Loan Commitments \| Media Source, LLC (d/b/a Media Source Inc.)
Unfunded commitments
Total Unfunded Commitments	825
Revolving Loan Commitments \| Meta Buyer LLC (d/b/a Metagenics, LLC)
Unfunded commitments
Total Unfunded Commitments	1,475
Revolving Loan Commitments \| Midwest Texas Tea CA, LLC (d/b/a US Petroleum Partners, LLC)
Unfunded commitments
Total Unfunded Commitments		246
Revolving Loan Commitments \| Motivational Marketing, LLC (d/b/a Motivational Fulfillment)
Unfunded commitments
Total Unfunded Commitments	945
Revolving Loan Commitments \| M&M OpCo. LLC (d/b/a Escalent, Inc.)
Unfunded commitments
Total Unfunded Commitments	238	238
Revolving Loan Commitments \| PANOS Brands, LLC
Unfunded commitments
Total Unfunded Commitments	412	384
Revolving Loan Commitments \| PGI Parent LLC (d/b/a Prime Electric, Inc.)
Unfunded commitments
Total Unfunded Commitments	923
Revolving Loan Commitments \| Quest Events, LLC [Member]
Unfunded commitments
Total Unfunded Commitments	88
Revolving Loan Commitments \| Rewards Network Inc.
Unfunded commitments
Total Unfunded Commitments	1,915
Revolving Loan Commitments \| Ribbon Communications Operating Company, Inc. (d/b/a Ribbon Communications Inc.)
Unfunded commitments
Total Unfunded Commitments	880	880
Revolving Loan Commitments \| Salon Republic Holdings, LLC (d/b/a Salon Republic, LLC)
Unfunded commitments
Total Unfunded Commitments	861	861
Revolving Loan Commitments \| Sleep OpCo LLC (d/b/a Brooklyn Bedding LLC)
Unfunded commitments
Total Unfunded Commitments	1,545	2,646
Revolving Loan Commitments \| Surge Amuze Holdings Inc. (d/b/a Amuze Products II, Inc.)
Unfunded commitments
Total Unfunded Commitments	281	146
Revolving Loan Commitments \| Telestream Holdings Corporation
Unfunded commitments
Total Unfunded Commitments		241
Revolving Loan Commitments \| Telestream 2 LLC (d/b/a Telestream Holdings Corporation)
Unfunded commitments
Total Unfunded Commitments	497
Revolving Loan Commitments \| Texas Express Wash, LLC (d/b/a ClearWater Express Wash)
Unfunded commitments
Total Unfunded Commitments	311
Revolving Loan Commitments \| The Kyjen Company, LLC (d/b/a Outward Hound)
Unfunded commitments
Total Unfunded Commitments	798
Revolving Loan Commitments \| TOT Group, Inc. (d/b/a Netevia Group LLC)
Unfunded commitments
Total Unfunded Commitments	553	553
Revolving Loan Commitments \| Trailhead Media LLC
Unfunded commitments
Total Unfunded Commitments		870
Revolving Loan Commitments \| W&A Intermediate Co., LLC (d/b/a Wakefield & Associates, LLC)
Unfunded commitments
Total Unfunded Commitments	428	515
Revolving Loan Commitments \| W Electric Intermediate Holdings, LLC (d/b/a Westinghouse Electric Corporation)
Unfunded commitments
Total Unfunded Commitments		1,195
Revolving Loan Commitments \| Zephyr Buyer, L.P. (d/b/a The Weather Company, LLC)
Unfunded commitments
Total Unfunded Commitments	1,806	1,806
Delayed Draw Loan Commitments
Unfunded commitments
Total Unfunded Commitments	21,175	10,875
Delayed Draw Loan Commitments \| Four Winds Health, LLC
Unfunded commitments
Total Unfunded Commitments	2,250
Delayed Draw Loan Commitments \| Juniper Landscaping Holdings LLC
Unfunded commitments
Total Unfunded Commitments	2,769
Delayed Draw Loan Commitments \| LogicMonitor, Inc.
Unfunded commitments
Total Unfunded Commitments	1,000
Delayed Draw Loan Commitments \| Meta Buyer LLC (d/b/a Metagenics, LLC)
Unfunded commitments
Total Unfunded Commitments	3,380
Delayed Draw Loan Commitments \| MGT Merger Target, LLC
Unfunded commitments
Total Unfunded Commitments	1,076
Delayed Draw Loan Commitments \| Rewards Network Inc.
Unfunded commitments
Total Unfunded Commitments	2,553
Delayed Draw Loan Commitments \| Salon Republic Holdings, LLC (d/b/a Salon Republic, LLC)
Unfunded commitments
Total Unfunded Commitments	861	861
Delayed Draw Loan Commitments \| Surge Amuze Holdings Inc. (d/b/a Amuze Products II, Inc.)
Unfunded commitments
Total Unfunded Commitments	451	878
Delayed Draw Loan Commitments \| Texas Express Wash, LLC (d/b/a ClearWater Express Wash)
Unfunded commitments
Total Unfunded Commitments	2,485
Delayed Draw Loan Commitments \| TOT Group, Inc. (d/b/a Netevia Group LLC)
Unfunded commitments
Total Unfunded Commitments	553	1,107
Delayed Draw Loan Commitments \| Trailhead Media LLC
Unfunded commitments
Total Unfunded Commitments		2,174
Delayed Draw Loan Commitments \| W&A Intermediate Co., LLC (d/b/a Wakefield & Associates, LLC)
Unfunded commitments
Total Unfunded Commitments	1,288	1,288
Delayed Draw Loan Commitments \| Arcserve Cayman Opco LP (d/b/a Arcserve (USA), LLC)
Unfunded commitments
Total Unfunded Commitments	1,422	1,422
Delayed Draw Loan Commitments \| Avision Holdings, LLC (d/b/a Avision Sales Group)
Unfunded commitments
Total Unfunded Commitments		1,756
Delayed Draw Loan Commitments \| Buckeye Acquiror LLC (d/b/a Superior Environmental Solutions, LLC)
Unfunded commitments
Total Unfunded Commitments	601
Delayed Draw Loan Commitments \| Camarillo Fitness Holdings, LLC [Member]
Unfunded commitments
Total Unfunded Commitments	$ 486
Delayed Draw Loan Commitments \| Kelso Industries LLC
Unfunded commitments
Total Unfunded Commitments		$ 1,389