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INVESTMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 1,780,198 | [1],[2],[3],[4],[5] | $ 1,785,299 | [6],[7],[8],[9],[10]
Percentage of Net Assets at Fair Value | 194.24% | [1],[2],[4],[5] | 202.04% | [6],[7],[8],[9]
Cost | $ 1,798,438 | [1],[2],[4],[5],[11] | $ 1,779,360 | [6],[7],[8],[9],[12],[13]
Northeast |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 469,792 |  | $ 469,271 |
Percentage of Net Assets at Fair Value | 51.20% |  | 53.10% |
Cost | $ 475,751 |  | $ 474,642 |
West |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 338,640 |  | $ 388,772 |
Percentage of Net Assets at Fair Value | 36.90% |  | 44.00% |
Cost | $ 331,234 |  | $ 359,986 |
Southwest |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 362,580 |  | $ 323,966 |
Percentage of Net Assets at Fair Value | 39.60% |  | 36.70% |
Cost | $ 353,754 |  | $ 317,428 |
Southeast |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 317,758 |  | $ 315,033 |
Percentage of Net Assets at Fair Value | 34.70% |  | 35.60% |
Cost | $ 346,364 |  | $ 338,866 |
Midwest |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 244,068 |  | $ 241,814 |
Percentage of Net Assets at Fair Value | 26.60% |  | 27.40% |
Cost | $ 249,346 |  | $ 246,198 |
International |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 47,360 |  | $ 46,443 |
Percentage of Net Assets at Fair Value | 5.20% |  | 5.20% |
Cost | $ 41,989 |  | $ 42,240 |
Healthcare Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 207,499 |  | $ 212,640 |
Percentage of Net Assets at Fair Value | 22.60% |  | 24.10% |
Cost | $ 230,008 |  | $ 228,935 |
Consumer Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 156,589 |  | $ 152,385 |
Percentage of Net Assets at Fair Value | 17.10% |  | 17.30% |
Cost | $ 154,796 |  | $ 152,385 |
Media & Marketing |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 147,986 |  | $ 138,768 |
Percentage of Net Assets at Fair Value | 16.10% |  | 15.70% |
Cost | $ 146,885 |  | $ 138,291 |
Food, Agriculture & Beverage |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 123,570 |  | $ 125,740 |
Percentage of Net Assets at Fair Value | 13.50% |  | 14.20% |
Cost | $ 130,612 |  | $ 131,815 |
Financial Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 118,219 |  | $ 123,280 |
Percentage of Net Assets at Fair Value | 12.80% |  | 14.00% |
Cost | $ 109,974 |  | $ 95,060 |
Consumer Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 130,230 |  | $ 117,117 |
Percentage of Net Assets at Fair Value | 14.20% |  | 13.30% |
Cost | $ 136,910 |  | $ 123,084 |
Business Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 89,181 |  | $ 94,008 |
Percentage of Net Assets at Fair Value | 9.70% |  | 10.60% |
Cost | $ 92,089 |  | $ 96,685 |
Transportation & Logistics |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 103,367 |  | $ 88,871 |
Percentage of Net Assets at Fair Value | 11.30% |  | 10.10% |
Cost | $ 74,223 |  | $ 63,155 |
Industrial Machinery |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 75,764 |  | $ 76,874 |
Percentage of Net Assets at Fair Value | 8.30% |  | 8.70% |
Cost | $ 75,603 |  | $ 75,647 |
Industrial Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 76,722 |  | $ 75,548 |
Percentage of Net Assets at Fair Value | 8.40% |  | 8.50% |
Cost | $ 66,113 |  | $ 66,050 |
Healthcare Equipment & Supplies |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 66,878 |  | $ 66,144 |
Percentage of Net Assets at Fair Value | 7.30% |  | 7.50% |
Cost | $ 65,223 |  | $ 65,057 |
Commercial Services & Supplies |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 66,484 |  | $ 58,340 |
Percentage of Net Assets at Fair Value | 7.30% |  | 6.60% |
Cost | $ 65,217 |  | $ 57,633 |
Aerospace & Defense |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 2,544 |  | $ 55,051 |
Percentage of Net Assets at Fair Value | 0.30% |  | 6.20% |
Cost | $ 2,535 |  | $ 54,097 |
Software & IT Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 52,498 |  | $ 52,422 |
Percentage of Net Assets at Fair Value | 5.70% |  | 5.90% |
Cost | $ 53,413 |  | $ 52,553 |
Environmental Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 54,216 |  | $ 52,295 |
Percentage of Net Assets at Fair Value | 5.90% |  | 5.90% |
Cost | $ 57,197 |  | $ 56,191 |
Specialty Retail |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 38,549 |  | $ 38,272 |
Percentage of Net Assets at Fair Value | 4.20% |  | 4.30% |
Cost | $ 36,913 |  | $ 36,647 |
Research & Consulting Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 46,255 |  | $ 36,045 |
Percentage of Net Assets at Fair Value | 5.00% |  | 4.10% |
Cost | $ 45,424 |  | $ 35,309 |
Healthcare Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 32,038 |  | $ 34,474 |
Percentage of Net Assets at Fair Value | 3.50% |  | 3.90% |
Cost | $ 32,676 |  | $ 35,087 |
Education |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 28,549 |  | $ 29,495 |
Percentage of Net Assets at Fair Value | 3.10% |  | 3.30% |
Cost | $ 40,454 |  | $ 41,443 |
Restaurants |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 25,593 |  | $ 25,656 |
Percentage of Net Assets at Fair Value | 2.80% |  | 2.90% |
Cost | $ 25,291 |  | $ 25,329 |
Energy Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 22,513 |  | $ 25,022 |
Percentage of Net Assets at Fair Value | 2.50% |  | 2.80% |
Cost | $ 22,367 |  | $ 25,362 |
Pharmaceuticals, Biotechnology & Life Sciences |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 24,549 |  | $ 24,877 |
Percentage of Net Assets at Fair Value | 2.70% |  | 2.80% |
Cost | $ 34,171 |  | $ 34,199 |
Industrial Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 33,227 |  | $ 21,599 |
Percentage of Net Assets at Fair Value | 3.60% |  | 2.40% |
Cost | $ 32,991 |  | $ 21,634 |
Telecommunications |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 17,795 |  | $ 19,920 |
Percentage of Net Assets at Fair Value | 1.90% |  | 2.30% |
Cost | $ 22,682 |  | $ 23,504 |
Distribution |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 11,571 |  | $ 11,773 |
Percentage of Net Assets at Fair Value | 1.30% |  | 1.30% |
Cost | $ 12,033 |  | $ 11,873 |
Technology Products & Components |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 9,630 |  | $ 10,378 |
Percentage of Net Assets at Fair Value | 1.00% |  | 1.20% |
Cost | $ 12,987 |  | $ 13,031 |
Movies & Entertainment |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 8,792 |  | $ 8,690 |
Percentage of Net Assets at Fair Value | 1.00% |  | 1.00% |
Cost | $ 8,527 |  | $ 8,403 |
Building & Infrastructure Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 7,080 |  | $ 7,522 |
Percentage of Net Assets at Fair Value | 0.80% |  | 0.90% |
Cost | $ 8,835 |  | $ 8,830 |
Data Processing & Outsourced Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 2,310 |  | $ 2,093 |
Percentage of Net Assets at Fair Value | 0.30% |  | 0.20% |
Cost | $ 2,289 |  | $ 2,071 |
First Lien Loans, Last Out |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | 23,500 |  | 23,400 |
First Lien Loans, Split Lien Term Loans |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | 59,700 |  | 59,900 |
Second Lien Loans, Split Lien Term Loans |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | 15,900 |  | 15,900 |
Unsecured Convertible Notes |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 300 |  | $ 200 |
Percentage of Total Portfolio at Fair Value | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 100.00% |  | 100.00% |
Percentage of Total Portfolio at Fair Value | Industry |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 100.00% |  | 100.00% |
Percentage of Total Portfolio at Fair Value | Industry | Healthcare Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 11.70% |  | 11.90% |
Percentage of Total Portfolio at Fair Value | Industry | Consumer Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 8.80% |  | 8.50% |
Percentage of Total Portfolio at Fair Value | Industry | Media & Marketing |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 8.30% |  | 7.80% |
Percentage of Total Portfolio at Fair Value | Industry | Food, Agriculture & Beverage |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 7.00% |  | 7.10% |
Percentage of Total Portfolio at Fair Value | Industry | Financial Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 6.60% |  | 6.90% |
Percentage of Total Portfolio at Fair Value | Industry | Consumer Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 7.30% |  | 6.60% |
Percentage of Total Portfolio at Fair Value | Industry | Business Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 5.00% |  | 5.30% |
Percentage of Total Portfolio at Fair Value | Industry | Transportation & Logistics |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 5.80% |  | 5.00% |
Percentage of Total Portfolio at Fair Value | Industry | Industrial Machinery |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 4.30% |  | 4.30% |
Percentage of Total Portfolio at Fair Value | Industry | Industrial Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 4.30% |  | 4.20% |
Percentage of Total Portfolio at Fair Value | Industry | Healthcare Equipment & Supplies |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.80% |  | 3.70% |
Percentage of Total Portfolio at Fair Value | Industry | Commercial Services & Supplies |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.70% |  | 3.30% |
Percentage of Total Portfolio at Fair Value | Industry | Aerospace & Defense |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.10% |  | 3.10% |
Percentage of Total Portfolio at Fair Value | Industry | Software & IT Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 2.90% |  | 2.90% |
Percentage of Total Portfolio at Fair Value | Industry | Environmental Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.10% |  | 2.90% |
Percentage of Total Portfolio at Fair Value | Industry | Specialty Retail |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 2.20% |  | 2.10% |
Percentage of Total Portfolio at Fair Value | Industry | Research & Consulting Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 2.60% |  | 2.00% |
Percentage of Total Portfolio at Fair Value | Industry | Healthcare Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.80% |  | 1.90% |
Percentage of Total Portfolio at Fair Value | Industry | Education |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.60% |  | 1.70% |
Percentage of Total Portfolio at Fair Value | Industry | Restaurants |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.40% |  | 1.40% |
Percentage of Total Portfolio at Fair Value | Industry | Energy Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.30% |  | 1.40% |
Percentage of Total Portfolio at Fair Value | Industry | Pharmaceuticals, Biotechnology & Life Sciences |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.40% |  | 1.40% |
Percentage of Total Portfolio at Fair Value | Industry | Industrial Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.90% |  | 1.20% |
Percentage of Total Portfolio at Fair Value | Industry | Telecommunications |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.00% |  | 1.10% |
Percentage of Total Portfolio at Fair Value | Industry | Distribution |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.60% |  | 0.70% |
Percentage of Total Portfolio at Fair Value | Industry | Technology Products & Components |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.50% |  | 0.60% |
Percentage of Total Portfolio at Fair Value | Industry | Movies & Entertainment |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.50% |  | 0.50% |
Percentage of Total Portfolio at Fair Value | Industry | Building & Infrastructure Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.40% |  | 0.40% |
Percentage of Total Portfolio at Fair Value | Industry | Data Processing & Outsourced Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.10% |  | 0.10% |
Percentage of Total Portfolio at Fair Value | Geographic |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 100.00% |  | 100.00% |
Percentage of Total Portfolio at Fair Value | Geographic | Northeast |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 26.40% |  | 26.30% |
Percentage of Total Portfolio at Fair Value | Geographic | West |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 19.00% |  | 21.80% |
Percentage of Total Portfolio at Fair Value | Geographic | Southwest |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 20.40% |  | 18.20% |
Percentage of Total Portfolio at Fair Value | Geographic | Southeast |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 17.80% |  | 17.60% |
Percentage of Total Portfolio at Fair Value | Geographic | Midwest |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 13.70% |  | 13.50% |
Percentage of Total Portfolio at Fair Value | Geographic | International |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 2.70% |  | 2.60% |
Percentage of Total Portfolio at Cost | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 100.00% |  | 100.00% |
Percentage of Total Portfolio at Cost | Industry |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 100.00% |  | 100.00% |
Percentage of Total Portfolio at Cost | Industry | Healthcare Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 12.80% |  | 12.90% |
Percentage of Total Portfolio at Cost | Industry | Consumer Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 8.60% |  | 8.60% |
Percentage of Total Portfolio at Cost | Industry | Media & Marketing |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 8.20% |  | 7.80% |
Percentage of Total Portfolio at Cost | Industry | Food, Agriculture & Beverage |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 7.30% |  | 7.40% |
Percentage of Total Portfolio at Cost | Industry | Financial Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 6.10% |  | 5.30% |
Percentage of Total Portfolio at Cost | Industry | Consumer Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 7.60% |  | 6.90% |
Percentage of Total Portfolio at Cost | Industry | Business Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 5.10% |  | 5.40% |
Percentage of Total Portfolio at Cost | Industry | Transportation & Logistics |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 4.10% |  | 3.50% |
Percentage of Total Portfolio at Cost | Industry | Industrial Machinery |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 4.20% |  | 4.30% |
Percentage of Total Portfolio at Cost | Industry | Industrial Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.70% |  | 3.70% |
Percentage of Total Portfolio at Cost | Industry | Healthcare Equipment & Supplies |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.60% |  | 3.70% |
Percentage of Total Portfolio at Cost | Industry | Commercial Services & Supplies |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.60% |  | 3.20% |
Percentage of Total Portfolio at Cost | Industry | Aerospace & Defense |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.10% |  | 3.00% |
Percentage of Total Portfolio at Cost | Industry | Software & IT Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.00% |  | 3.00% |
Percentage of Total Portfolio at Cost | Industry | Environmental Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.20% |  | 3.20% |
Percentage of Total Portfolio at Cost | Industry | Specialty Retail |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 2.10% |  | 2.10% |
Percentage of Total Portfolio at Cost | Industry | Research & Consulting Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 2.50% |  | 2.00% |
Percentage of Total Portfolio at Cost | Industry | Healthcare Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.80% |  | 2.00% |
Percentage of Total Portfolio at Cost | Industry | Education |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 2.30% |  | 2.30% |
Percentage of Total Portfolio at Cost | Industry | Restaurants |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.40% |  | 1.40% |
Percentage of Total Portfolio at Cost | Industry | Energy Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.20% |  | 1.40% |
Percentage of Total Portfolio at Cost | Industry | Pharmaceuticals, Biotechnology & Life Sciences |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.90% |  | 1.90% |
Percentage of Total Portfolio at Cost | Industry | Industrial Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.80% |  | 1.20% |
Percentage of Total Portfolio at Cost | Industry | Telecommunications |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.30% |  | 1.30% |
Percentage of Total Portfolio at Cost | Industry | Distribution |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.70% |  | 0.70% |
Percentage of Total Portfolio at Cost | Industry | Technology Products & Components |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.70% |  | 0.70% |
Percentage of Total Portfolio at Cost | Industry | Movies & Entertainment |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.50% |  | 0.50% |
Percentage of Total Portfolio at Cost | Industry | Building & Infrastructure Products |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.50% |  | 0.50% |
Percentage of Total Portfolio at Cost | Industry | Data Processing & Outsourced Services |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.10% |  | 0.10% |
Percentage of Total Portfolio at Cost | Geographic |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 100.00% |  | 100.00% |
Percentage of Total Portfolio at Cost | Geographic | Northeast |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 26.40% |  | 26.70% |
Percentage of Total Portfolio at Cost | Geographic | West |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 18.40% |  | 20.20% |
Percentage of Total Portfolio at Cost | Geographic | Southwest |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 19.70% |  | 17.80% |
Percentage of Total Portfolio at Cost | Geographic | Southeast |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 19.30% |  | 19.10% |
Percentage of Total Portfolio at Cost | Geographic | Midwest |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 13.90% |  | 13.80% |
Percentage of Total Portfolio at Cost | Geographic | International |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 2.30% |  | 2.40% |
First lien loans |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 1,595,338 |  | $ 1,586,622 |
Percentage of Net Assets at Fair Value | 174.10% |  | 179.60% |
Cost | $ 1,640,044 |  | $ 1,627,746 |
First lien loans | Percentage of Total Portfolio at Fair Value | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 89.60% |  | 88.90% |
First lien loans | Percentage of Total Portfolio at Cost | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 91.20% |  | 91.50% |
Second lien loans |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 17,383 |  | $ 18,066 |
Percentage of Net Assets at Fair Value | 1.90% |  | 2.00% |
Cost | $ 23,967 |  | $ 23,955 |
Second lien loans | Percentage of Total Portfolio at Fair Value | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.00% |  | 1.00% |
Second lien loans | Percentage of Total Portfolio at Cost | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 1.30% |  | 1.30% |
Subordinated debt |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 1,264 |  | $ 1,218 |
Percentage of Net Assets at Fair Value | 0.10% |  | 0.10% |
Cost | $ 1,462 |  | $ 1,417 |
Subordinated debt | Percentage of Total Portfolio at Fair Value | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.10% |  | 0.10% |
Subordinated debt | Percentage of Total Portfolio at Cost | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.10% |  | 0.10% |
Preferred equity |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 66,230 |  | $ 102,918 |
Percentage of Net Assets at Fair Value | 7.20% |  | 11.60% |
Cost | $ 74,934 |  | $ 77,451 |
Preferred equity | Percentage of Total Portfolio at Fair Value | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.70% |  | 5.70% |
Preferred equity | Percentage of Total Portfolio at Cost | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 4.20% |  | 4.40% |
Common equity & warrants |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 96,526 |  | $ 76,475 |
Percentage of Net Assets at Fair Value | 10.50% |  | 8.70% |
Cost | $ 54,574 |  | $ 48,791 |
Common equity & warrants | Percentage of Total Portfolio at Fair Value | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 5.40% |  | 4.30% |
Common equity & warrants | Percentage of Total Portfolio at Cost | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 3.00% |  | 2.70% |
Earnout |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Fair Value | $ 3,457 |  |  |
Percentage of Net Assets at Fair Value | 0.40% |  |  |
Cost | $ 3,457 |  |  |
Earnout | Percentage of Total Portfolio at Fair Value | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.20% |  |  |
Earnout | Percentage of Total Portfolio at Cost | Investment Type |  |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |  |
Percentage of Total Portfolio at Fair Value | 0.20% |  |  |
[1] | All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted. All amounts are stated in U.S. Dollars.
[2] | Non-Control/Non-Affiliate investments are generally defined by the 1940 Act as investments that are neither control investments nor affiliate investments. Investments are classified as non-control/non-affiliate investments, unless otherwise noted. At June 30, 2025, the Company held $1,449.5 million of non-control/non-affiliate investments, which represented approximately 81.4% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 158.1%.
[3] | The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.
[4] | Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.
[5] | Unless otherwise noted, all portfolio company headquarters are based in the United States.
[6] | Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.
[7] | Unless otherwise noted, all portfolio company headquarters are based in the United States.
[8] | All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted. All amounts are stated in U.S. Dollars.
[9] | Non-Control/Non-Affiliate investments are generally defined by the 1940 Act as investments that are neither control investments nor affiliate investments. Investments are classified as non-control/non-affiliate investments, unless otherwise noted. At March 31, 2025, the Company held $1,436.3 million of non-control/non-affiliate investments, which represented approximately 80.5% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 162.6%.
[10] | The Company's investment portfolio is comprised entirely of debt and equity securities of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.
[11] | As of June 30, 2025, the cumulative gross unrealized appreciation for U.S. federal income tax purposes was approximately $103.8 million; cumulative gross unrealized depreciation for federal income tax purposes was $119.7 million. Cumulative net unrealized depreciation was $15.9 million, based on a tax cost of $1,796.1 million.
[12] | As of March 31, 2025, the cumulative gross unrealized appreciation for U.S. federal income tax purposes was approximately $117.4 million; cumulative gross unrealized depreciation for federal income tax purposes was $108.2 million. Cumulative net unrealized depreciation was $9.2 million, based on a tax cost of $1,776.1 million.
[13] | Negative cost in this column represents the original issue discount of certain undrawn revolvers and delayed draw term loans.

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