Investments - Investments By Industry (Details) - USD ($) $ in Thousands |
6 Months Ended |
12 Months Ended |
Jun. 30, 2026 |
Dec. 31, 2025 |
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 2,375,245
|
|
$ 2,502,667
|
|
| Percentage of Total Portfolio |
|
100.00%
|
|
100.00%
|
|
| Investments at fair value |
|
$ 2,363,576
|
|
$ 2,508,441
|
|
| Percentage of Total Portfolio |
|
100.00%
|
|
100.00%
|
|
| Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 2,375,245
|
|
$ 2,502,667
|
|
| Percentage of Total Portfolio |
|
100.00%
|
|
100.00%
|
|
| Investments at fair value |
|
$ 2,363,576
|
|
$ 2,508,441
|
|
| Percentage of Total Portfolio |
|
100.00%
|
|
100.00%
|
|
| Investment Vehicles | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 435,928
|
[1] |
$ 426,942
|
[2] |
| Percentage of Total Portfolio |
|
18.30%
|
[1] |
17.10%
|
[2] |
| Investments at fair value |
|
$ 387,104
|
[1] |
$ 399,051
|
[2] |
| Percentage of Total Portfolio |
|
16.50%
|
[1] |
15.90%
|
[2] |
| Services: Business | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 225,209
|
|
$ 228,836
|
|
| Percentage of Total Portfolio |
|
9.40%
|
|
9.10%
|
|
| Investments at fair value |
|
$ 247,588
|
|
$ 253,954
|
|
| Percentage of Total Portfolio |
|
10.50%
|
|
10.10%
|
|
| High Tech Industries | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 203,568
|
|
$ 250,660
|
|
| Percentage of Total Portfolio |
|
8.60%
|
|
10.00%
|
|
| Investments at fair value |
|
$ 212,346
|
|
$ 271,004
|
|
| Percentage of Total Portfolio |
|
9.00%
|
|
10.80%
|
|
| Healthcare & Pharmaceuticals | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 196,704
|
|
$ 213,870
|
|
| Percentage of Total Portfolio |
|
8.30%
|
|
8.50%
|
|
| Investments at fair value |
|
$ 190,996
|
|
$ 210,063
|
|
| Percentage of Total Portfolio |
|
8.10%
|
|
8.40%
|
|
| Aerospace and Defense | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 169,996
|
|
$ 237,633
|
|
| Percentage of Total Portfolio |
|
7.20%
|
|
9.50%
|
|
| Investments at fair value |
|
$ 179,716
|
|
$ 235,307
|
|
| Percentage of Total Portfolio |
|
7.60%
|
|
9.40%
|
|
| Beverage, Food & Tobacco | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 142,717
|
|
$ 116,454
|
|
| Percentage of Total Portfolio |
|
6.00%
|
|
4.70%
|
|
| Investments at fair value |
|
$ 140,416
|
|
$ 115,105
|
|
| Percentage of Total Portfolio |
|
5.90%
|
|
4.60%
|
|
| FIRE: Finance | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 98,986
|
[3] |
$ 101,357
|
[4] |
| Percentage of Total Portfolio |
|
4.20%
|
[3] |
4.00%
|
[4] |
| Investments at fair value |
|
$ 119,019
|
[3] |
$ 114,894
|
[4] |
| Percentage of Total Portfolio |
|
5.00%
|
[3] |
4.60%
|
[4] |
| Environmental Industries | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 112,055
|
|
$ 85,843
|
|
| Percentage of Total Portfolio |
|
4.70%
|
|
3.40%
|
|
| Investments at fair value |
|
$ 112,785
|
|
$ 87,491
|
|
| Percentage of Total Portfolio |
|
4.80%
|
|
3.50%
|
|
| Transportation: Cargo | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 101,954
|
|
$ 96,830
|
|
| Percentage of Total Portfolio |
|
4.30%
|
|
3.90%
|
|
| Investments at fair value |
|
$ 111,647
|
|
$ 108,504
|
|
| Percentage of Total Portfolio |
|
4.70%
|
|
4.30%
|
|
| Automotive | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 103,250
|
|
$ 111,100
|
|
| Percentage of Total Portfolio |
|
4.30%
|
|
4.40%
|
|
| Investments at fair value |
|
$ 96,801
|
|
$ 105,969
|
|
| Percentage of Total Portfolio |
|
4.10%
|
|
4.20%
|
|
| Consumer Goods: Non-Durable | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 79,158
|
|
$ 70,788
|
|
| Percentage of Total Portfolio |
|
3.30%
|
|
2.80%
|
|
| Investments at fair value |
|
$ 75,794
|
|
$ 67,550
|
|
| Percentage of Total Portfolio |
|
3.20%
|
|
2.70%
|
|
| Services: Consumer | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 65,646
|
|
$ 64,981
|
|
| Percentage of Total Portfolio |
|
2.80%
|
|
2.60%
|
|
| Investments at fair value |
|
$ 60,918
|
|
$ 62,729
|
|
| Percentage of Total Portfolio |
|
2.60%
|
|
2.50%
|
|
| Capital Equipment | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 61,896
|
|
$ 49,524
|
|
| Percentage of Total Portfolio |
|
2.60%
|
|
2.00%
|
|
| Investments at fair value |
|
$ 74,396
|
|
$ 56,654
|
|
| Percentage of Total Portfolio |
|
3.10%
|
|
2.30%
|
|
| Telecommunications | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 56,315
|
|
$ 54,768
|
|
| Percentage of Total Portfolio |
|
2.40%
|
|
2.20%
|
|
| Investments at fair value |
|
$ 56,050
|
|
$ 54,019
|
|
| Percentage of Total Portfolio |
|
2.40%
|
|
2.20%
|
|
| Construction & Building | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 56,971
|
|
$ 76,871
|
|
| Percentage of Total Portfolio |
|
2.40%
|
|
3.10%
|
|
| Investments at fair value |
|
$ 49,396
|
|
$ 77,815
|
|
| Percentage of Total Portfolio |
|
2.10%
|
|
3.10%
|
|
| Chemicals, Plastics & Rubber | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 49,075
|
|
$ 48,895
|
|
| Percentage of Total Portfolio |
|
2.10%
|
|
2.00%
|
|
| Investments at fair value |
|
$ 47,656
|
|
$ 47,767
|
|
| Percentage of Total Portfolio |
|
2.00%
|
|
1.90%
|
|
| Consumer Goods: Durable | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 46,751
|
|
$ 53,098
|
|
| Percentage of Total Portfolio |
|
2.00%
|
|
2.10%
|
|
| Investments at fair value |
|
$ 45,057
|
|
$ 51,259
|
|
| Percentage of Total Portfolio |
|
1.90%
|
|
2.00%
|
|
| Hotel, Gaming & Leisure | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 32,563
|
|
$ 24,284
|
|
| Percentage of Total Portfolio |
|
1.40%
|
|
1.00%
|
|
| Investments at fair value |
|
$ 32,876
|
|
$ 24,708
|
|
| Percentage of Total Portfolio |
|
1.40%
|
|
1.00%
|
|
| Transportation: Consumer | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 31,483
|
|
$ 25,839
|
|
| Percentage of Total Portfolio |
|
1.30%
|
|
1.00%
|
|
| Investments at fair value |
|
$ 31,767
|
|
$ 26,118
|
|
| Percentage of Total Portfolio |
|
1.30%
|
|
1.00%
|
|
| Wholesale | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 37,592
|
|
$ 29,346
|
|
| Percentage of Total Portfolio |
|
1.60%
|
|
1.20%
|
|
| Investments at fair value |
|
$ 31,483
|
|
$ 24,546
|
|
| Percentage of Total Portfolio |
|
1.30%
|
|
1.00%
|
|
| Media: Diversified & Production | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 27,953
|
|
$ 34,714
|
|
| Percentage of Total Portfolio |
|
1.20%
|
|
1.40%
|
|
| Investments at fair value |
|
$ 28,348
|
|
$ 29,461
|
|
| Percentage of Total Portfolio |
|
1.20%
|
|
1.20%
|
|
| Utilities: Electric | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 7,995
|
|
$ 8,023
|
|
| Percentage of Total Portfolio |
|
0.30%
|
|
0.30%
|
|
| Investments at fair value |
|
$ 7,927
|
|
$ 8,020
|
|
| Percentage of Total Portfolio |
|
0.30%
|
|
0.30%
|
|
| Containers, Packaging & Glass | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 5,389
|
|
$ 9,079
|
|
| Percentage of Total Portfolio |
|
0.20%
|
|
0.40%
|
|
| Investments at fair value |
|
$ 5,439
|
|
$ 9,182
|
|
| Percentage of Total Portfolio |
|
0.20%
|
|
0.40%
|
|
| FIRE: Insurance | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 4,729
|
[3] |
$ 30,653
|
[4] |
| Percentage of Total Portfolio |
|
0.20%
|
[3] |
1.20%
|
[4] |
| Investments at fair value |
|
$ 4,625
|
[3] |
$ 30,829
|
[4] |
| Percentage of Total Portfolio |
|
0.20%
|
[3] |
1.20%
|
[4] |
| Media: Advertising, Printing & Publishing | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 4,680
|
|
$ 3,090
|
|
| Percentage of Total Portfolio |
|
0.20%
|
|
0.10%
|
|
| Investments at fair value |
|
$ 4,213
|
|
$ 2,857
|
|
| Percentage of Total Portfolio |
|
0.20%
|
|
0.10%
|
|
| Retail | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 11,803
|
|
$ 26,314
|
|
| Percentage of Total Portfolio |
|
0.50%
|
|
1.10%
|
|
| Investments at fair value |
|
$ 4,148
|
|
$ 17,613
|
|
| Percentage of Total Portfolio |
|
0.20%
|
|
0.70%
|
|
| Media: Broadcasting & Subscription | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 2,881
|
|
$ 2,876
|
|
| Percentage of Total Portfolio |
|
0.10%
|
|
0.10%
|
|
| Investments at fair value |
|
$ 2,916
|
|
$ 2,954
|
|
| Percentage of Total Portfolio |
|
0.10%
|
|
0.10%
|
|
| Metals & Mining | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ 1,227
|
|
$ 9,184
|
|
| Percentage of Total Portfolio |
|
0.10%
|
|
0.40%
|
|
| Investments at fair value |
|
$ 1,291
|
|
$ 9,158
|
|
| Percentage of Total Portfolio |
|
0.10%
|
|
0.40%
|
|
| FIRE: Real Estate | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
[3] |
$ 779
|
|
|
|
| Percentage of Total Portfolio |
[3] |
0.00%
|
|
|
|
| Investments at fair value |
[3] |
$ 858
|
|
|
|
| Percentage of Total Portfolio |
[3] |
0.00%
|
|
|
|
| Utilities: Water | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
$ (8)
|
|
$ 2,731
|
|
| Percentage of Total Portfolio |
|
0.00%
|
|
0.10%
|
|
| Investments at fair value |
|
$ 0
|
|
$ 2,757
|
|
| Percentage of Total Portfolio |
|
0.00%
|
|
0.10%
|
|
| Consumer Goods: Wholesale | Investment Holding |
|
|
|
|
|
| Consolidated Schedule of Investments |
|
|
|
|
|
| Investments, amortized cost |
|
|
|
$ 8,084
|
|
| Percentage of Total Portfolio |
|
|
|
0.30%
|
|
| Investments at fair value |
|
|
|
$ 1,103
|
|
| Percentage of Total Portfolio |
|
|
|
0.00%
|
|
|
|