XML 53 R43.htm IDEA: XBRL DOCUMENT v3.25.0.1
Portfolio Company Investments - Schedule of Consolidated Schedule of Investments in and Advances to Affiliates (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Investments in and Advances to Affiliates [Line Items]        
Fair Value, beginning balance [1],[2],[3],[4] $ 957,906      
Fair Value, ending balance 1,090,506 [5],[6],[7],[8] $ 957,906 [1],[2],[3],[4]    
Net change in unrealized (appreciation) depreciation on investments (5,928) (10,359) $ (65,702) $ (65,702)
Control Investments        
Investments in and Advances to Affiliates [Line Items]        
Principal Amount - Debt Investments 5,226 5,226    
Gross Additions   11,458    
Gross Reductions   (11,458)    
Net Realized Gain (Losses)   (11,458)    
Net change in unrealized (appreciation) depreciation on investments   11,083    
Affiliate Investments        
Investments in and Advances to Affiliates [Line Items]        
Principal Amount - Debt Investments 32,461 24,602    
Fair Value, beginning balance 83,876 101,590    
Gross Additions 21,441 7,139    
Gross Reductions (3,293) (24,853)    
Fair Value, ending balance 102,024 83,876 101,590  
Net change in unrealized (appreciation) depreciation on investments 7,954 (8,395)    
Interest Income 3,533 4,026    
Payment-in-kind Interest Income 9      
Dividend Income 1,830 519    
Fee Income 183 65    
EBL, LLC (EbLens) | Control Investments        
Investments in and Advances to Affiliates [Line Items]        
Gross Additions   11,458    
Gross Reductions   (11,458)    
Net Realized Gain (Losses)   (11,458)    
Net change in unrealized (appreciation) depreciation on investments   11,083    
US GreenFiber, LLC | Control Investments        
Investments in and Advances to Affiliates [Line Items]        
Principal Amount - Debt Investments 5,226 5,226    
Applegate Greenfiber Intermediate Inc. (fka US GreenFiber, LLC) | Affiliate Investments        
Investments in and Advances to Affiliates [Line Items]        
Principal Amount - Debt Investments 9,602 9,602    
Fair Value, beginning balance 24,590 23,168    
Gross Additions   1,422    
Gross Reductions (203)      
Fair Value, ending balance 24,387 24,590 23,168  
Net change in unrealized (appreciation) depreciation on investments (202) 1,422    
Interest Income 1,074 974    
CP Communications, LLC | Affiliate Investments        
Investments in and Advances to Affiliates [Line Items]        
Principal Amount - Debt Investments 7,859      
Gross Additions 8,360      
Gross Reductions (54)      
Fair Value, ending balance 8,306      
Interest Income 88      
Payment-in-kind Interest Income 9      
Fee Income 163      
Medsurant Holdings, LLC | Affiliate Investments        
Investments in and Advances to Affiliates [Line Items]        
Fair Value, beginning balance 5,930 2,540    
Gross Additions 4,262 3,463    
Gross Reductions (329) (73)    
Fair Value, ending balance 9,863 5,930 2,540  
Net change in unrealized (appreciation) depreciation on investments 4,261 3,463    
Dividend Income 1,328      
Pfanstiehl, Inc | Affiliate Investments        
Investments in and Advances to Affiliates [Line Items]        
Fair Value, beginning balance 33,321 51,992    
Gross Additions 6,602 46    
Gross Reductions   (18,717)    
Fair Value, ending balance 39,923 33,321 51,992  
Net change in unrealized (appreciation) depreciation on investments 6,602 (8,717)    
Interest Income   673    
Dividend Income 348 347    
Spectra A&D Acquisition, Inc. (fka FDS Avionics Corp.) | Affiliate Investments        
Investments in and Advances to Affiliates [Line Items]        
Principal Amount - Debt Investments 15,000 15,000    
Fair Value, beginning balance 15,321 19,118    
Gross Additions 2,217 2,208    
Gross Reductions (2,617) (6,005)    
Fair Value, ending balance 14,921 15,321 19,118  
Net change in unrealized (appreciation) depreciation on investments (2,617) (4,505)    
Interest Income 2,371 2,379    
Fee Income 20 65    
Steward Holding LLC (dba Steward Advanced Materials) | Affiliate Investments        
Investments in and Advances to Affiliates [Line Items]        
Fair Value, beginning balance 4,714 4,772    
Gross Reductions (90) (58)    
Fair Value, ending balance 4,624 4,714 $ 4,772  
Net change in unrealized (appreciation) depreciation on investments (90) (58)    
Dividend Income $ 154 $ 172    
[1]

(a) See Note 3 to the consolidated financial statements for portfolio composition by geographic location.
[2]

(b) Equity ownership may be held in shares or units of companies related to the portfolio companies.
[3]

(c) All debt investments are income producing, unless otherwise indicated. Equity investments are non-income producing unless otherwise noted.
[4]

(g) Except as otherwise noted, the Company’s investment portfolio is comprised 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 available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the board of directors, using significant unobservable Level 3 inputs.
[5]

(a) See Note 3 to the consolidated financial statements for portfolio composition by geographic location.
[6]

(b) Equity ownership may be held in shares or units of companies related to the portfolio companies. The Company’s investments are generally classified as “restricted securities”, unless otherwise noted, as such term is defined under Regulation S-X Rule 6-03(f) or Securities Act Rule 144. As of December 31, 2024, the Company held restricted securities with an aggregate fair value of $1,090,506, or 166% of the Company's net assets.
[7]

(c) All debt investments are income producing, unless otherwise indicated. Equity investments are non-income producing unless otherwise noted.
[8]

(g) Except as otherwise noted, the Company’s investment portfolio is comprised 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 available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the board of directors, using significant unobservable Level 3 inputs.