v3.26.1
Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]    
Amortized Cost $ 3,038,758 [1],[2] $ 2,905,803 [3],[4]
Fair Value $ 2,983,663 [2] $ 2,893,559 [4]
% of Total Investments at Fair Value 1.000 1.000
Fair Value as % of Net Assets 182.11% [2] 182.19% [4]
United States    
Schedule of Investments [Line Items]    
Amortized Cost $ 2,862,842 $ 2,730,855
Fair Value $ 2,803,155 $ 2,712,441
% of Total Investments at Fair Value 0.939 0.937
Fair Value as % of Net Assets 171.10% 170.80%
United Kingdom    
Schedule of Investments [Line Items]    
Amortized Cost $ 74,816 $ 74,965
Fair Value $ 75,078 $ 75,149
% of Total Investments at Fair Value 0.025 0.026
Fair Value as % of Net Assets 4.60% 4.70%
Germany    
Schedule of Investments [Line Items]    
Amortized Cost $ 59,880 $ 59,819
Fair Value $ 62,841 $ 64,215
% of Total Investments at Fair Value 0.021 0.022
Fair Value as % of Net Assets 3.80% 4.00%
Canada    
Schedule of Investments [Line Items]    
Amortized Cost $ 27,044 $ 25,989
Fair Value $ 27,089 $ 26,257
% of Total Investments at Fair Value 0.009 0.009
Fair Value as % of Net Assets 1.70% 1.70%
Greece    
Schedule of Investments [Line Items]    
Amortized Cost $ 9,322 $ 9,321
Fair Value $ 10,646 $ 10,643
% of Total Investments at Fair Value 0.004 0.004
Fair Value as % of Net Assets 0.60% 0.70%
Ireland    
Schedule of Investments [Line Items]    
Amortized Cost $ 4,854 $ 4,854
Fair Value $ 4,854 $ 4,854
% of Total Investments at Fair Value 0.002 0.002
Fair Value as % of Net Assets 0.30% 0.30%
High Tech    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.207 0.196
Services: Business    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.163 0.169
Healthcare, Education and Childcare    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.140 0.146
Automobile    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.070 0.067
Services: Consumer    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.055 0.057
Capital Equipment    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.050 0.052
Media: Diversified & Production    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.039 0.041
Finance    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.037 0.042
Construction & Building    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.037 0.035
Insurance    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.032 0.030
Telecommunications    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.025 0.019
Aerospace and Defense    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.024 0.025
Chemicals, Plastics and Rubber    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.021 0.024
Retail Stores    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.021 0.022
Consumer Goods: Durable    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.017 0.017
Cargo Transport    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.012 0.012
Containers, Packaging and Glass    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.011 0.012
Buildings and Real Estate    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.011 0.011
Printing and Publishing    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.009 0.009
Ecological    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.007 0.006
Banking    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.006 0.003
Utilities: Water    
Schedule of Investments [Line Items]    
% of Total Investments at Fair Value 0.006 0.005
First Lien Debt    
Schedule of Investments [Line Items]    
Amortized Cost $ 2,751,044 [1],[2] $ 2,630,098 [3],[4]
Fair Value $ 2,716,402 [2] $ 2,616,864 [4]
% of Total Investments at Fair Value 0.912 0.904
Fair Value as % of Net Assets 165.80% [2] 164.76% [4]
First Lien Debt | High Tech    
Schedule of Investments [Line Items]    
Amortized Cost $ 529,372 [1],[2] $ 457,886 [3],[4]
Fair Value $ 526,215 [2] $ 459,013 [4]
Fair Value as % of Net Assets 32.12% [2] 28.90% [4]
First Lien Debt | Services: Business    
Schedule of Investments [Line Items]    
Amortized Cost $ 462,506 [1],[2] $ 459,890 [3],[4]
Fair Value $ 460,022 [2] $ 460,153 [4]
Fair Value as % of Net Assets 28.08% [2] 28.97% [4]
First Lien Debt | Healthcare, Education and Childcare    
Schedule of Investments [Line Items]    
Amortized Cost $ 420,856 [1],[2] $ 422,935 [3],[4]
Fair Value $ 419,152 [2] $ 422,650 [4]
Fair Value as % of Net Assets 25.58% [2] 26.61% [4]
First Lien Debt | Automobile    
Schedule of Investments [Line Items]    
Amortized Cost $ 209,358 [1],[2] $ 193,766 [3],[4]
Fair Value $ 205,542 [2] $ 190,064 [4]
Fair Value as % of Net Assets 12.55% [2] 11.97% [4]
First Lien Debt | Services: Consumer    
Schedule of Investments [Line Items]    
Amortized Cost $ 106,840 [1],[2] $ 104,122 [3],[4]
Fair Value $ 106,699 [2] $ 104,488 [4]
Fair Value as % of Net Assets 6.51% [2] 6.58% [4]
First Lien Debt | Capital Equipment    
Schedule of Investments [Line Items]    
Amortized Cost $ 143,333 [1],[2] $ 143,557 [3],[4]
Fair Value $ 143,668 [2] $ 144,586 [4]
Fair Value as % of Net Assets 8.77% [2] 9.10% [4]
First Lien Debt | Media: Diversified & Production    
Schedule of Investments [Line Items]    
Amortized Cost $ 111,674 [1],[2] $ 111,570 [3],[4]
Fair Value $ 114,591 [2] $ 116,247 [4]
Fair Value as % of Net Assets 6.99% [2] 7.32% [4]
First Lien Debt | Finance    
Schedule of Investments [Line Items]    
Amortized Cost $ 99,914 [1],[2] $ 99,701 [3],[4]
Fair Value $ 100,373 [2] $ 100,534 [4]
Fair Value as % of Net Assets 6.13% [2] 6.33% [4]
First Lien Debt | Construction & Building    
Schedule of Investments [Line Items]    
Amortized Cost $ 96,835 [1],[2] $ 60,951 [3],[4]
Fair Value $ 96,827 [2] $ 60,989 [4]
Fair Value as % of Net Assets 5.91% [2] 3.84% [4]
First Lien Debt | Insurance    
Schedule of Investments [Line Items]    
Amortized Cost $ 95,294 [1],[2] $ 87,735 [3],[4]
Fair Value $ 95,389 [2] $ 87,993 [4]
Fair Value as % of Net Assets 5.82% [2] 5.54% [4]
First Lien Debt | Telecommunications    
Schedule of Investments [Line Items]    
Amortized Cost $ 57,250 [1],[2] $ 51,278 [3],[4]
Fair Value $ 57,105 [2] $ 51,097 [4]
Fair Value as % of Net Assets 3.49% [2] 3.22% [4]
First Lien Debt | Aerospace and Defense    
Schedule of Investments [Line Items]    
Amortized Cost $ 60,784 [1],[2] $ 60,444 [3],[4]
Fair Value $ 61,269 [2] $ 60,887 [4]
Fair Value as % of Net Assets 3.74% [2] 3.83% [4]
First Lien Debt | Chemicals, Plastics and Rubber    
Schedule of Investments [Line Items]    
Amortized Cost $ 75,914 [1],[2] $ 75,059 [3],[4]
Fair Value $ 62,846 [2] $ 69,926 [4]
Fair Value as % of Net Assets 3.84% [2] 4.40% [4]
First Lien Debt | Retail Stores    
Schedule of Investments [Line Items]    
Amortized Cost $ 68,100 [1],[2] $ 68,392 [3],[4]
Fair Value $ 61,764 [2] $ 62,501 [4]
Fair Value as % of Net Assets 3.77% [2] 3.93% [4]
First Lien Debt | Consumer Goods: Durable    
Schedule of Investments [Line Items]    
Amortized Cost $ 54,044 [1],[2] $ 81,001 [3],[4]
Fair Value $ 50,750 [2] $ 77,788 [4]
Fair Value as % of Net Assets 3.10% [2] 4.90% [4]
First Lien Debt | Cargo Transport    
Schedule of Investments [Line Items]    
Amortized Cost $ 39,588 [1],[2] $ 38,782 [3],[4]
Fair Value $ 34,477 [2] $ 34,573 [4]
Fair Value as % of Net Assets 2.10% [2] 2.18% [4]
First Lien Debt | Containers, Packaging and Glass    
Schedule of Investments [Line Items]    
Amortized Cost $ 13,728 [1],[2] $ 13,600 [3],[4]
Fair Value $ 13,742 [2] $ 13,619 [4]
Fair Value as % of Net Assets 0.84% [2] 0.86% [4]
First Lien Debt | Buildings and Real Estate    
Schedule of Investments [Line Items]    
Amortized Cost $ 33,159 [1],[2] $ 32,271 [3],[4]
Fair Value $ 33,161 [2] $ 32,275 [4]
Fair Value as % of Net Assets 2.02% [2] 2.03% [4]
First Lien Debt | Printing and Publishing    
Schedule of Investments [Line Items]    
Amortized Cost $ 26,085 [1],[2] $ 24,381 [3],[4]
Fair Value $ 26,397 [2] $ 24,710 [4]
Fair Value as % of Net Assets 1.61% [2] 1.56% [4]
First Lien Debt | Ecological    
Schedule of Investments [Line Items]    
Amortized Cost $ 19,400 [1],[2] $ 16,699 [3],[4]
Fair Value $ 19,431 [2] $ 16,723 [4]
Fair Value as % of Net Assets 1.19% [2] 1.05% [4]
First Lien Debt | Banking    
Schedule of Investments [Line Items]    
Amortized Cost $ 10,389 [1],[2] $ 10,415 [3],[4]
Fair Value $ 10,391 [2] $ 10,415 [4]
Fair Value as % of Net Assets 0.63% [2] 0.66% [4]
First Lien Debt | Utilities: Water    
Schedule of Investments [Line Items]    
Amortized Cost $ 16,621 [1],[2] $ 15,663 [3],[4]
Fair Value $ 16,591 [2] $ 15,633 [4]
Fair Value as % of Net Assets 1.01% [2] 0.98% [4]
Second Lien Debt    
Schedule of Investments [Line Items]    
Amortized Cost $ 222,528 [1],[2] $ 226,842 [3],[4]
Fair Value $ 200,895 [2] $ 225,900 [4]
% of Total Investments at Fair Value 0.067 0.078
Fair Value as % of Net Assets 12.26% [2] 14.22% [4]
Second Lien Debt | High Tech    
Schedule of Investments [Line Items]    
Amortized Cost $ 90,199 [1],[2] $ 90,099 [3],[4]
Fair Value $ 74,094 [2] $ 87,433 [4]
Fair Value as % of Net Assets 4.52% [2] 5.50% [4]
Second Lien Debt | Services: Business    
Schedule of Investments [Line Items]    
Amortized Cost $ 19,145 [1],[2] $ 20,852 [3],[4]
Fair Value $ 16,445 [2] $ 21,068 [4]
Fair Value as % of Net Assets 1.00% [2] 1.33% [4]
Second Lien Debt | Services: Consumer    
Schedule of Investments [Line Items]    
Amortized Cost $ 58,019 [1],[2] $ 57,885 [3],[4]
Fair Value $ 57,667 [2] $ 59,371 [4]
Fair Value as % of Net Assets 3.52% [2] 3.74% [4]
Second Lien Debt | Capital Equipment    
Schedule of Investments [Line Items]    
Amortized Cost $ 5,562 [1],[2] $ 5,524 [3],[4]
Fair Value $ 5,659 [2] $ 5,873 [4]
Fair Value as % of Net Assets 0.34% [2] 0.37% [4]
Second Lien Debt | Construction & Building    
Schedule of Investments [Line Items]    
Amortized Cost $ 12,417 [1],[2] $ 12,414 [3],[4]
Fair Value $ 12,411 [2] $ 12,411 [4]
Fair Value as % of Net Assets 0.76% [2] 0.78% [4]
Second Lien Debt | Telecommunications    
Schedule of Investments [Line Items]    
Amortized Cost [3],[4]   $ 2,900
Fair Value [4]   $ 2,993
Fair Value as % of Net Assets [4]   0.19%
Second Lien Debt | Aerospace and Defense    
Schedule of Investments [Line Items]    
Amortized Cost $ 9,678 [1],[2] $ 9,669 [3],[4]
Fair Value $ 6,844 [2] $ 7,775 [4]
Fair Value as % of Net Assets 0.42% [2] 0.49% [4]
Second Lien Debt | Cargo Transport    
Schedule of Investments [Line Items]    
Amortized Cost $ 32 [1],[2] $ 29 [3],[4]
Fair Value $ 26 [2] $ 28 [4]
Fair Value as % of Net Assets 0.00% [2] 0.00% [4]
Second Lien Debt | Containers, Packaging and Glass    
Schedule of Investments [Line Items]    
Amortized Cost $ 19,054 [1],[2] $ 19,053 [3],[4]
Fair Value $ 19,441 [2] $ 20,358 [4]
Fair Value as % of Net Assets 1.19% [2] 1.28% [4]
Second Lien Debt | Banking    
Schedule of Investments [Line Items]    
Amortized Cost $ 8,422 [1],[2] $ 8,417 [3],[4]
Fair Value $ 8,308 [2] $ 8,590 [4]
Fair Value as % of Net Assets 0.51% [2] 0.54% [4]
Asset Backed Securities    
Schedule of Investments [Line Items]    
Amortized Cost $ 16,100 $ 0
Fair Value $ 16,033 $ 0
% of Total Investments at Fair Value 0.005 0
Asset Backed Securities | Telecommunications    
Schedule of Investments [Line Items]    
Amortized Cost [1],[2] $ 16,100  
Fair Value [2] $ 16,033  
Fair Value as % of Net Assets [2] 0.98%  
Preferred Equity    
Schedule of Investments [Line Items]    
Amortized Cost $ 41,768 [1],[2] $ 41,545 [3],[4]
Fair Value $ 42,986 [2] $ 43,101 [4]
% of Total Investments at Fair Value 0.014 0.015
Fair Value as % of Net Assets 2.62% [2] 2.72% [4]
Preferred Equity | High Tech    
Schedule of Investments [Line Items]    
Amortized Cost $ 21,234 [1],[2] $ 21,234 [3],[4]
Fair Value $ 21,414 [2] $ 21,414 [4]
Fair Value as % of Net Assets 1.31% [2] 1.35% [4]
Preferred Equity | Services: Business    
Schedule of Investments [Line Items]    
Amortized Cost $ 7,229 [1],[2] $ 7,007 [3],[4]
Fair Value $ 7,277 [2] $ 7,056 [4]
Fair Value as % of Net Assets 0.44% [2] 0.45% [4]
Preferred Equity | Automobile    
Schedule of Investments [Line Items]    
Amortized Cost $ 3,457 [1],[2] $ 3,457 [3],[4]
Fair Value $ 3,447 [2] $ 3,447 [4]
Fair Value as % of Net Assets 0.21% [2] 0.22% [4]
Preferred Equity | Media: Diversified & Production    
Schedule of Investments [Line Items]    
Amortized Cost $ 526 [1],[2] $ 526 [3],[4]
Fair Value $ 202 [2] $ 541 [4]
Fair Value as % of Net Assets 0.01% [2] 0.03% [4]
Preferred Equity | Finance    
Schedule of Investments [Line Items]    
Amortized Cost $ 9,322 [1],[2] $ 9,321 [3],[4]
Fair Value $ 10,646 [2] $ 10,643 [4]
Fair Value as % of Net Assets 0.65% [2] 0.67% [4]
Common Stocks    
Schedule of Investments [Line Items]    
Amortized Cost $ 7,318 [1],[2] $ 7,318 [3],[4]
Fair Value $ 7,347 [2] $ 7,694 [4]
% of Total Investments at Fair Value 0.002 0.003
Fair Value as % of Net Assets 0.45% [2] 0.49% [4]
Common Stocks | High Tech    
Schedule of Investments [Line Items]    
Amortized Cost $ 238 [1],[2] $ 238 [3],[4]
Fair Value $ 320 [2] $ 370 [4]
Fair Value as % of Net Assets 0.02% [2] 0.02% [4]
Common Stocks | Services: Business    
Schedule of Investments [Line Items]    
Amortized Cost $ 1,671 [1],[2] $ 1,671 [3],[4]
Fair Value $ 1,995 [2] $ 1,916 [4]
Fair Value as % of Net Assets 0.12% [2] 0.12% [4]
Common Stocks | Media: Diversified & Production    
Schedule of Investments [Line Items]    
Amortized Cost $ 555 [1],[2] $ 555 [3],[4]
Fair Value $ 178 [2] $ 554 [4]
Fair Value as % of Net Assets 0.01% [2] 0.04% [4]
Common Stocks | Aerospace and Defense    
Schedule of Investments [Line Items]    
Amortized Cost $ 4,854 [1],[2] $ 4,854 [3],[4]
Fair Value $ 4,854 [2] $ 4,854 [4]
Fair Value as % of Net Assets 0.30% [2] 0.31% [4]
[1] The cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).
[2] Unless otherwise indicated, issuers of debt investments held by the Company (which such term “Company” shall include the Company’s subsidiaries for purposes of this Schedule of Investments) are denominated in dollars. All debt investments are income producing unless otherwise indicated.
[3] The cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”).
[4] Unless otherwise indicated, issuers of debt investments held by the Company (which such term “Company” shall include the Company’s subsidiaries for purposes of this Schedule of Investments) are denominated in dollars. All debt investments are income producing unless otherwise indicated.