v3.25.2
Investments - Composition of the Company's Investment Portfolio by Industry, at Amortized Cost and Fair Value (with Corresponding Percentage of Total Portfolio Investments) (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Investments    
Investment owned, cost $ 414,808 [1] $ 495,797 [2],[3]
Fair Value $ 367,700 [1],[4] $ 457,048 [2],[3],[5]
Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 100.00% 100.00%
Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 100.00% 100.00%
Automotive    
Investments    
Investment owned, cost $ 20,244 $ 20,188
Fair Value $ 16,436 $ 16,267
Automotive | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 4.90% 4.10%
Automotive | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 4.50% 3.60%
Banking    
Investments    
Investment owned, cost $ 11,647 $ 11,689
Fair Value $ 6,931 $ 7,861
Banking | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.80% 2.40%
Banking | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 1.90% 1.70%
Beverage, Food & Tobacco    
Investments    
Investment owned, cost $ 1,726 $ 4,554
Fair Value $ 2,904 $ 6,027
Beverage, Food & Tobacco | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.40% 0.90%
Beverage, Food & Tobacco | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.80% 1.30%
Capital Equipment    
Investments    
Investment owned, cost $ 4,804 $ 4,809
Fair Value $ 4,827 $ 4,853
Capital Equipment | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 1.20% 1.00%
Capital Equipment | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 1.30% 1.10%
Chemicals, Plastics & Rubber    
Investments    
Investment owned, cost $ 4,041 $ 3,784
Fair Value $ 4,385 $ 4,864
Chemicals, Plastics & Rubber | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 1.00% 0.80%
Chemicals, Plastics & Rubber | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 1.20% 1.10%
Construction & Building    
Investments    
Investment owned, cost $ 10,079 $ 10,094
Fair Value $ 10,348 $ 10,334
Construction & Building | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.40% 2.00%
Construction & Building | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.80% 2.30%
Consumer Goods: Durable    
Investments    
Investment owned, cost $ 8,199 $ 8,444
Fair Value $ 7,463 $ 8,263
Consumer Goods: Durable | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.00% 1.70%
Consumer Goods: Durable | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.00% 1.80%
Consumer Goods: Non-Durable    
Investments    
Investment owned, cost $ 3,774 $ 3,857
Fair Value $ 1,864 $ 2,467
Consumer Goods: Non-Durable | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.90% 0.80%
Consumer Goods: Non-Durable | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.50% 0.40%
Environmental Industries    
Investments    
Investment owned, cost $ 67 $ 67
Fair Value $ 92 $ 520
Environmental Industries | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.00% 0.00%
Environmental Industries | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.00% 0.10%
FIRE: Finance    
Investments    
Investment owned, cost $ 8,608 $ 12,675
Fair Value $ 8,686 $ 12,789
FIRE: Finance | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.10% 2.60%
FIRE: Finance | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.40% 2.80%
FIRE: Real Estate    
Investments    
Investment owned, cost $ 96,337 $ 90,397
Fair Value $ 89,625 $ 83,037
FIRE: Real Estate | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 23.20% 18.20%
FIRE: Real Estate | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 24.40% 18.20%
Healthcare & Pharmaceuticals    
Investments    
Investment owned, cost $ 62,773 $ 83,481
Fair Value $ 56,713 $ 79,784
Healthcare & Pharmaceuticals | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 15.10% 16.80%
Healthcare & Pharmaceuticals | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 15.50% 17.50%
High Tech Industries    
Investments    
Investment owned, cost $ 38,465 $ 42,841
Fair Value $ 37,155 $ 41,240
High Tech Industries | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 9.30% 8.60%
High Tech Industries | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 10.10% 9.00%
Hotels, Gaming & Leisure    
Investments    
Investment owned, cost $ 111 $ 111
Fair Value $ 151 $ 144
Hotels, Gaming & Leisure | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.00% 0.00%
Hotels, Gaming & Leisure | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.00% 0.00%
Investment Funds & Vehicles    
Investments    
Investment owned, cost $ 42,650 $ 42,650
Fair Value $ 30,157 $ 32,730
Investment Funds & Vehicles | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 10.30% 8.60%
Investment Funds & Vehicles | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 8.20% 7.20%
Media: Advertising, Printing & Publishing    
Investments    
Investment owned, cost $ 9,352 $ 10,636
Fair Value $ 10,686 $ 12,035
Media: Advertising, Printing & Publishing | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.30% 2.10%
Media: Advertising, Printing & Publishing | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 2.90% 2.60%
Media: Broadcasting & Subscription    
Investments    
Investment owned, cost $ 4,574 $ 4,574
Fair Value $ 893 $ 1,156
Media: Broadcasting & Subscription | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 1.10% 0.90%
Media: Broadcasting & Subscription | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.20% 0.30%
Media: Diversified & Production    
Investments    
Investment owned, cost $ 24,569 $ 43,554
Fair Value $ 24,752 $ 43,717
Media: Diversified & Production | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 5.90% 8.80%
Media: Diversified & Production | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 6.70% 9.60%
Retail    
Investments    
Investment owned, cost $ 2,590 $ 2,534
Fair Value $ 1,699 $ 2,036
Retail | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.60% 0.50%
Retail | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.50% 0.40%
Services: Business    
Investments    
Investment owned, cost $ 29,341 $ 50,740
Fair Value $ 29,644 $ 51,175
Services: Business | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 7.10% 10.20%
Services: Business | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 8.10% 11.20%
Services: Consumer    
Investments    
Investment owned, cost $ 25,071 $ 32,552
Fair Value $ 16,590 $ 24,113
Services: Consumer | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 6.00% 6.60%
Services: Consumer | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 4.50% 5.30%
Telecommunications    
Investments    
Investment owned, cost $ 5,511 $ 5,496
Fair Value $ 5,556 $ 5,586
Telecommunications | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 1.30% 1.10%
Telecommunications | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 1.50% 1.20%
Transportation: Cargo    
Investments    
Investment owned, cost $ 0 $ 5,794
Fair Value $ 0 $ 5,890
Transportation: Cargo | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.00% 1.20%
Transportation: Cargo | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.00% 1.30%
Wholesale    
Investments    
Investment owned, cost $ 275 $ 276
Fair Value $ 143 $ 160
Wholesale | Investment Owned, At Cost | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.10% 0.10%
Wholesale | Investment Owned, At Fair Value | Investment Portfolio By Industry Concentration Risk    
Investments    
Concentration risk, percentage 0.00% 0.00%
[1] All of the Company’s investments are issued by eligible portfolio companies, as defined in the Investment Company Act of 1940 (the “1940 Act”), unless otherwise noted. All of the Company’s investments are issued by U.S. portfolio companies unless otherwise noted.
[2] All of the Company’s investments are issued by eligible portfolio companies, as defined in the Investment Company Act of 1940 (the “1940 Act”), unless otherwise noted. All of the Company’s investments are issued by U.S. portfolio companies unless otherwise noted.
[3] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” of and to “Control” this portfolio company as it owns more than 25% of the portfolio company’s voting securities. See Note 5 in the accompanying notes to the consolidated financial statements for additional information on transactions in which the issuer was both an Affiliated Person and a portfolio company that the Company is deemed to Control.
[4] Because there is no readily available market value for these investments, the fair value of these investments is determined in good faith using significant unobservable inputs by the Valuation Designee. (See Note 4 in the accompanying notes to the consolidated financial statements).
[5] Because there is no readily available market value for these investments, the fair value of these investments is determined in good faith using significant unobservable inputs by the Valuation Designee. (See Note 4 in the accompanying notes to the consolidated financial statements)