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CONSOLIDATED SCHEDULES OF INVESTMENTS (Parenthetical) 9 - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Sep. 30, 2020
Schedule of Investments [Line Items]          
Investments at fair value $ 7,476,641 [1]   $ 7,718,243    
Net unrealized gains (losses) (123,767) $ 198,629      
Interest Income 184,615 202,447      
Dividend Income 2,410 3,059      
Total other income (Note 10) 9,283 30,739      
Net realized gains (losses) (100,370) (207,489)      
Control Investments          
Schedule of Investments [Line Items]          
Investments at fair value 3,744,510 [1],[2]   3,872,575 [1],[3] $ 3,571,697  
Gross Additions (Cost) 60,784 [4]   403,098 [5]    
Gross Reductions (Cost) (14,601) [6]   (111,179) [7]    
Net unrealized gains (losses) (174,248) (17,794) 8,959    
Interest Income 72,092   280,537    
Dividend Income 0 227 737    
Total other income (Note 10) 6,967 29,745 68,735    
Net realized gains (losses) 6,367 (147) 1,039    
Affiliate Investments          
Schedule of Investments [Line Items]          
Investments at fair value 21,658 [1],[8]   18,069 [1],[9] 10,397  
Gross Additions (Cost) 0 [10]   1,432 [11]    
Gross Reductions (Cost) 141 [12]   1,307 [13]    
Net unrealized gains (losses) 3,448 837 4,933    
Interest Income 0   0    
Dividend Income 141 1,307 2,291    
Total other income (Note 10) 0 0 0    
Net realized gains (losses) 0 $ 0 0    
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, First Lien Term Loan 1          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[15],[16] 54,994        
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, First Lien Term Loan 2          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[15],[16] 7,149        
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, First Lien Term Loan 3          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[15],[16] 14,160        
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment and Services, First Lien Term Loan 1          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[15],[16]     51,139    
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment and Services, First Lien Term Loan 2          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[15],[16]     6,570    
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment and Services, First Lien Term Loan 3          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[15],[16]     13,012    
Investment, Identifier [Axis]: 8th Avenue Food & Provisions, Inc., Food Products, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 29,270   29,965    
Investment, Identifier [Axis]: Apidos CLO XI, Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18] 34,209   32,235    
Investment, Identifier [Axis]: Apidos CLO XII, Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18] 22,383 [19]   25,312    
Investment, Identifier [Axis]: Apidos CLO XV, Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 20,233   24,092    
Investment, Identifier [Axis]: Apidos CLO XXII, Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 19,569   22,359    
Investment, Identifier [Axis]: Atlantis Health Care Group (Puerto Rico), Inc., Health Care Providers & Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 57,980   58,184    
Investment, Identifier [Axis]: Aventiv Technologies, LLC, Communications Equipment, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16]     46,098    
Investment, Identifier [Axis]: Aventiv Technologies, LLC, Communications Equipment, Second Out Super Priority First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[21]     1,499    
Investment, Identifier [Axis]: Aventiv Technologies, LLC, Communications Equipment, Third Out Super Priority First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16],[21]     20,914    
Investment, Identifier [Axis]: Aventiv Technologies, LLC, Diversified Telecommunication Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16] 48,080        
Investment, Identifier [Axis]: Aventiv Technologies, LLC, Diversified Telecommunication Services, Second Out Super Priority First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[21] 664        
Investment, Identifier [Axis]: Aventiv Technologies, LLC, Diversified Telecommunication Services, Third Out Super Priority First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16],[21] 22,428        
Investment, Identifier [Axis]: BCPE North Star US Holdco 2, Inc., Food Products, Second Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22]     4,987    
Investment, Identifier [Axis]: BCPE North Star US Holdco 2, Inc., Food Products, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 94,462   91,193    
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc., Health Care Technology, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[22] 4,656   4,668    
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc., Health Care Technology, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22],[23] 2,826   2,261    
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc., Health Care Technology, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 63,213   63,375    
Investment, Identifier [Axis]: Barings CLO 2018-III, Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 6,671   8,188    
Investment, Identifier [Axis]: Barracuda Parent, LLC, IT Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1] 19,278   20,000    
Investment, Identifier [Axis]: Belnick, LLC (d/b/a The Ubique Group), First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     84,250    
Investment, Identifier [Axis]: Belnick, LLC, Household Durables, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 81,829        
Investment, Identifier [Axis]: Boostability Parent, Inc., IT Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     42,770    
Investment, Identifier [Axis]: Broder Bros., Co., Textiles, Apparel & Luxury Goods, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 152,482   153,514    
Investment, Identifier [Axis]: Burgess Point Purchaser Corporation, Auto Components, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 28,500   30,000    
Investment, Identifier [Axis]: CIFC Funding 2013-III-R, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 13,136   16,604    
Investment, Identifier [Axis]: CIFC Funding 2013-IV, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 19,114   23,921    
Investment, Identifier [Axis]: CIFC Funding 2014-IV-R, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18] 28,801   28,668    
Investment, Identifier [Axis]: CIFC Funding 2016-I, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18] 29,415   29,854    
Investment, Identifier [Axis]: CP Energy - Spartan Energy Services, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value 38,826   39,485 34,665  
Gross Additions (Cost) 2,144 [4]   8,523 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (2,803)   (3,703)    
Interest Income 1,460   4,840    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: CP Energy Services Inc.          
Schedule of Investments [Line Items]          
Investments at fair value 76,303   70,721 79,355  
Gross Additions (Cost) 5,405 [4]   11,355 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) 177   (19,989)    
Interest Income 3,164   11,452    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[15],[24] 0 [2]   0 [3]    
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, First Lien Term Loan A to Spartan Energy Services, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[15],[16]     35,103    
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, First Lien Term Loan A to Spartan Energy Services, LLC 1          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[15],[16] 34,731        
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, First Lien Term Loan A to Spartan Energy Services, LLC 2          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[15] 4,095        
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, First Lien Term Loan A to Spartan Energy Services, LLC1          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[15],[25]     4,382    
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, Series A Preferred Units to Spartan Energy Holdings, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value [1],[15],[24] 0 [2]   0 [3]    
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, Series B Convertible Preferred Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[15],[24] 0        
Investment, Identifier [Axis]: CP Energy Services Inc., Energy Equipment & Services, Series B Redeemable Preferred Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[15],[24]     0    
Investment, Identifier [Axis]: CP Energy Services Inc., Series A Preferred Stock, Spartan Energy Holdings          
Schedule of Investments [Line Items]          
Investments at fair value         $ 26,193
Investment, Identifier [Axis]: California Street CLO IX Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18] 27,980   27,997    
Investment, Identifier [Axis]: Capstone Logistics Acquisition, Inc., Commercial Services & Supplies, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     8,500    
Investment, Identifier [Axis]: Capstone Logistics Acquisition, Inc., Commercial Services & Supplies, Second LienTerm Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 8,500        
Investment, Identifier [Axis]: Carlyle C17 CLO Limited, Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 5,627   7,675    
Investment, Identifier [Axis]: Carlyle Global Market Strategies CLO 2014-4-R, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 8,929   11,882    
Investment, Identifier [Axis]: Carlyle Global Market Strategies CLO 2016-3, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18] 24,149   24,009    
Investment, Identifier [Axis]: Cent CLO 21 Limited, Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 168   0    
Investment, Identifier [Axis]: Collections Acquisition Company, Inc., Diversified Financial Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     45,039    
Investment, Identifier [Axis]: Collections Acquisition Company, Inc., Financial Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 44,885        
Investment, Identifier [Axis]: Columbia Cent CLO 27 Limited, Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18] 26,111   25,397    
Investment, Identifier [Axis]: Credit Central Loan Company, LLC          
Schedule of Investments [Line Items]          
Investments at fair value 74,197   79,230 73,642  
Gross Additions (Cost) 1,361 [4]   5,987 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (6,394)   (399)    
Interest Income 2,121   9,312    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Credit Central Loan Company, LLC, Consumer Finance, Class A Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[24],[26] 0 [2]   0 [3]    
Investment, Identifier [Axis]: Credit Central Loan Company, LLC, Consumer Finance, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16],[17],[26] 74,197 [2]   79,230 [3]    
Investment, Identifier [Axis]: Credit Central Loan Company, LLC, Consumer Finance, Net Revenues Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[24],[26] 0 [2]   0 [3]    
Investment, Identifier [Axis]: Credit Central Loan Company, LLC, Consumer Finance, Preferred Class P Shares          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[24],[26] 0 [2]   0 [3]    
Investment, Identifier [Axis]: Credit.com Holdings, LLC, Diversified Consumer Services, Class B of PGX TopCo II LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[27] 556   426    
Investment, Identifier [Axis]: Credit.com Holdings, LLC, Diversified Consumer Services, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[27] 33,107 [16]   31,658    
Investment, Identifier [Axis]: Credit.com Holdings, LLC, Diversified Consumer Services, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[27] 42,560 [16]   40,488    
Investment, Identifier [Axis]: DRI Holding Inc., Commercial Services & Supplies, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 33,561   33,561    
Investment, Identifier [Axis]: DRI Holding Inc., Commercial Services & Supplies, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 144,821   145,000    
Investment, Identifier [Axis]: DTI Holdco, Inc., Professional Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[28] 18,176   18,176    
Investment, Identifier [Axis]: DTI Holdco, Inc., Professional Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     75,000    
Investment, Identifier [Axis]: Discovery Point Retreat, LLC , Health Care Providers & Services, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[29] 897 [22]   881    
Investment, Identifier [Axis]: Discovery Point Retreat, LLC , Health Care Providers & Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[29] 16,935        
Investment, Identifier [Axis]: Discovery Point Retreat, LLC , Health Care Providers & Services, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[29]     16,632    
Investment, Identifier [Axis]: Discovery Point Retreat, LLC , Health Care Providers & Services, Series A Preferred Stock of Discovery MSO HoldCo LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[29] 15,898   15,900    
Investment, Identifier [Axis]: Druid City Infusion, LLC, Pharmaceuticals, First Lien Convertible Note to Druid City Intermediate, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value [1] 37,521        
Investment, Identifier [Axis]: Druid City Infusion, LLC, Pharmaceuticals, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 50,000        
Investment, Identifier [Axis]: Dukes Root Control Inc., Commercial Services & Supplies, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22],[23] 3,230   3,238    
Investment, Identifier [Axis]: Dukes Root Control Inc., Commercial Services & Supplies, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22],[23] 1,839   2,375    
Investment, Identifier [Axis]: Dukes Root Control Inc., Commercial Services & Supplies, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 35,967   36,058    
Investment, Identifier [Axis]: Easy Gardener Products, Inc., Household Durable, Class A Units of EZG Holdings, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 0   0    
Investment, Identifier [Axis]: Easy Gardener Products, Inc., Household Durable, Class B Units of EZG Holdings, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 0   0    
Investment, Identifier [Axis]: Echelon Transportation, LLC          
Schedule of Investments [Line Items]          
Investments at fair value 63,864   66,923 64,198  
Gross Additions (Cost) 1,260 [4]   0 [5]    
Gross Reductions (Cost) (150) [6]   (1,861) [7]    
Net unrealized gains (losses) (4,169)   4,586    
Interest Income 852   3,470    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Echelon Transportation, LLC, Aerospace & Defense, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3]     54,739    
Investment, Identifier [Axis]: Echelon Transportation, LLC, Aerospace & Defense, Membership Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[24]     0    
Investment, Identifier [Axis]: Echelon Transportation, LLC, Aerospace & Defense, Preferred Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[24]     12,184    
Investment, Identifier [Axis]: Echelon Transportation, LLC, Trading Companies & Distributors, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[16] 55,849        
Investment, Identifier [Axis]: Echelon Transportation, LLC, Trading Companies & Distributors, Membership Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[24] 0        
Investment, Identifier [Axis]: Echelon Transportation, LLC, Trading Companies & Distributors, Preferred Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[24] 8,015        
Investment, Identifier [Axis]: Emerge Intermediate, Inc., Health Care Providers & Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[30]     56,329    
Investment, Identifier [Axis]: Emerge Intermediate, Inc., Pharmaceuticals, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[30] 55,907        
Investment, Identifier [Axis]: Engineered Machinery Holdings, Inc., Machinery, Incremental Amendment No. 2 Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 5,000   5,000    
Investment, Identifier [Axis]: Engineered Machinery Holdings, Inc., Machinery, Incremental Amendment No. 3 Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 5,000   5,000    
Investment, Identifier [Axis]: Enseo Acquisition, Inc., IT Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     53,116    
Investment, Identifier [Axis]: Enseo Acquisition, Inc., Media, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 52,979        
Investment, Identifier [Axis]: Eze Castle Integration, Inc., IT Services, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16],[22],[23]     1,783    
Investment, Identifier [Axis]: Eze Castle Integration, Inc., IT Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16],[20]     46,527    
Investment, Identifier [Axis]: Eze Castle Integration, Inc., Software, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22],[23] 1,774        
Investment, Identifier [Axis]: Eze Castle Integration, Inc., Software, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 46,286        
Investment, Identifier [Axis]: Faraday Buyer, LLC, Electrical Equipment, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22] 0   0    
Investment, Identifier [Axis]: Faraday Buyer, LLC, Electrical Equipment, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 61,835   61,991    
Investment, Identifier [Axis]: First Brands Group, Auto Components, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[28] 21,885   22,019    
Investment, Identifier [Axis]: First Brands Group, Auto Components, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 36,916   36,788    
Investment, Identifier [Axis]: First Tower Finance Company LLC          
Schedule of Investments [Line Items]          
Investments at fair value 619,809   605,928 598,382  
Gross Additions (Cost) 5,999 [4]   29,385 [5]    
Gross Reductions (Cost) (437) [6]   (319) [7]    
Net unrealized gains (losses) 8,319   (21,520)    
Interest Income 16,461   62,675    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: First Tower Finance Company LLC, Consumer Finance, Class A Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[24],[31] 189,254 [2]   180,936 [3]    
Investment, Identifier [Axis]: First Tower Finance Company LLC, Consumer Finance, First Lien Term Loan to First Tower, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16],[17],[31] 430,555 [2]   424,992 [3]    
Investment, Identifier [Axis]: Freedom Marine Solutions, LLC          
Schedule of Investments [Line Items]          
Investments at fair value 12,451   12,651 12,710  
Gross Additions (Cost) 975 [4]   0 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (1,175)   (59)    
Interest Income 0   0    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Freedom Marine Solutions, LLC, Energy Equipment & Services, Membership Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[24],[32]     12,651    
Investment, Identifier [Axis]: Freedom Marine Solutions, LLC, Marine Transport, Membership Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[24],[32] 12,451        
Investment, Identifier [Axis]: Galaxy XV CLO, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 15,802   20,386    
Investment, Identifier [Axis]: Galaxy XXVII CLO, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 7,350   9,811    
Investment, Identifier [Axis]: Galaxy XXVIII CLO, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 12,489   17,247    
Investment, Identifier [Axis]: Global Tel*Link Corporation (d./b/a ViaPath Technologies), Diversified Telecommunication Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 123,725        
Investment, Identifier [Axis]: Global Tel*Link Corporation (d/b/a ViaPath Technologies.), Diversified Telecommunication Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[28]     9,456    
Investment, Identifier [Axis]: Global Tel*Link Corporation (d/b/a ViaPath Technologies.), Diversified Telecommunication Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     122,670    
Investment, Identifier [Axis]: Halcyon Loan Advisors Funding 2014-2 Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 4   8    
Investment, Identifier [Axis]: Halcyon Loan Advisors Funding 2015-3 Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 39   49    
Investment, Identifier [Axis]: HarbourView CLO VII-R, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 2,396   3,676    
Investment, Identifier [Axis]: Help/Systems Holdings, Inc. (d/b/a Forta, LLC), Software, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     47,813    
Investment, Identifier [Axis]: Help/Systems Holdings, Inc., Software, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 49,727        
Investment, Identifier [Axis]: Imperative Worldwide, LLC (f/k/a MAGNATE WORLDWIDE, LLC), Air Freight & Logistics, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 37,394   31,394    
Investment, Identifier [Axis]: Imperative Worldwide, LLC (f/k/a MAGNATE WORLDWIDE, LLC), Air Freight & Logistics, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 95,000   89,758    
Investment, Identifier [Axis]: InterDent, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value 403,727   463,883 457,967  
Gross Additions (Cost) 6,772 [4]   23,249 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (66,928)   (17,333)    
Interest Income 9,736   36,946    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: InterDent, Inc., Health Care Providers & Services, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 80,527 [2]   147,455 [3]    
Investment, Identifier [Axis]: InterDent, Inc., Health Care Providers & Services, First Lien Delayed Draw Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[22] 3,000        
Investment, Identifier [Axis]: InterDent, Inc., Health Care Providers & Services, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 95,823 [2]   95,823 [3]    
Investment, Identifier [Axis]: InterDent, Inc., Health Care Providers & Services, First Lien Term Loan A/B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 14,249 [2]   14,249 [3]    
Investment, Identifier [Axis]: InterDent, Inc., Health Care Providers & Services, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16] 210,128 [2]   206,356 [3]    
Investment, Identifier [Axis]: Interventional Management Services, LLC, Health Care Providers & Service, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22] 5,000   4,855    
Investment, Identifier [Axis]: Interventional Management Services, LLC, Health Care Providers & Service, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 65,213   63,669    
Investment, Identifier [Axis]: Japs-Olson Company, LLC, Commercial Services & Supplies, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[33]     57,960    
Investment, Identifier [Axis]: Japs-Olson Company, LLC, Commercial Services & Supplies,First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[33] 57,535        
Investment, Identifier [Axis]: Jefferson Mill CLO Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 9,588   10,955    
Investment, Identifier [Axis]: Julie Lindsey, Inc, Textiles, Apparel & Luxury Goods, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     19,600    
Investment, Identifier [Axis]: Julie Lindsey, Inc., Textiles, Apparel & Luxury Goods, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22] 0        
Investment, Identifier [Axis]: Julie Lindsey, Inc., Textiles, Apparel & Luxury Goods, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 19,500        
Investment, Identifier [Axis]: K&N Parent, Inc., Automoblie Component, Class A Common Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 696        
Investment, Identifier [Axis]: K&N Parent, Inc., Automoblie Component, Class A common units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24]     783    
Investment, Identifier [Axis]: KM2 Solutions LLC, IT Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     17,793    
Investment, Identifier [Axis]: KM2 Solutions LLC, Professional Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 17,832        
Investment, Identifier [Axis]: Kickapoo Ranch Pet Resort          
Schedule of Investments [Line Items]          
Investments at fair value 5,035   4,742 3,242  
Gross Additions (Cost) 0 [4]   1,500 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) 293   0    
Interest Income 49   92    
Dividend Income 0   80    
Total other income (Note 10) 0   75    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Kickapoo Ranch Pet Resort, Diversified Consumer Services, Membership Interest          
Schedule of Investments [Line Items]          
Investments at fair value 3,535 [1],[2]   3,242 [3]    
Investment, Identifier [Axis]: Kickapoo Ranch Pet Resort, Diversified Consumer Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 1,500 [2]   1,500 [3]    
Investment, Identifier [Axis]: LCM XIV Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 5,422   7,699    
Investment, Identifier [Axis]: LGC US FINCO, LLC, Machinery, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 29,081   29,231    
Investment, Identifier [Axis]: Lucky US BuyerCo LLC, Financial Services, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22],[23] 1,665        
Investment, Identifier [Axis]: Lucky US BuyerCo LLC, Financial Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 21,402        
Investment, Identifier [Axis]: Lucky US BuyerCo LLC, Professional Services, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22]     1,665    
Investment, Identifier [Axis]: Lucky US BuyerCo LLC, Professional Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     21,457    
Investment, Identifier [Axis]: MAC Discount, LLC, Distributors, Class A Senior Preferred Stock to MAC Discount Investments, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 1,483        
Investment, Identifier [Axis]: MAC Discount, LLC, Distributors, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 34,244        
Investment, Identifier [Axis]: MAC Discount, LLC, Household Durables, Class A Senior Preferred Stock to MAC Discount Investments, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24]     1,266    
Investment, Identifier [Axis]: MAC Discount, LLC, Household Durables, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     34,410    
Investment, Identifier [Axis]: MITY, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value 90,455   85,583 68,178  
Gross Additions (Cost) 1,500 [4]   5,150 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) 3,372   12,255    
Interest Income 2,396   8,988    
Dividend Income 0   0    
Total other income (Note 10) 37   130    
Net realized gains (losses) 1   (1)    
Investment, Identifier [Axis]: MITY, Inc., Commercial Services & Supplies, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[34] 28,001 [2]   22,885 [3]    
Investment, Identifier [Axis]: MITY, Inc., Commercial Services & Supplies, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[34] 48,724 [2]   37,224 [3],[16]    
Investment, Identifier [Axis]: MITY, Inc., Commercial Services & Supplies, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16],[34] 8,274 [2]   18,274 [3]    
Investment, Identifier [Axis]: MITY, Inc., Commercial Services & Supplies, Unsecured Note to Broda Enterprises ULC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[34] 5,456 [2]   7,200 [3]    
Investment, Identifier [Axis]: Medical Solutions Holdings, Inc., Health Care Providers & Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[35] 40,311   44,976    
Investment, Identifier [Axis]: Mountain View CLO 2013-I Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 5,484   7,286    
Investment, Identifier [Axis]: Mountain View CLO IX Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 5,210   10,658    
Investment, Identifier [Axis]: NH Kronos Buyer, Inc., Pharmaceuticals, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 83,296   83,562    
Investment, Identifier [Axis]: NMMB, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value 81,287   94,265 94,180  
Gross Additions (Cost) 0 [4]   0 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (12,978)   85    
Interest Income 1,070   4,255    
Dividend Income 0   657    
Total other income (Note 10) 0   0    
Net realized gains (losses) 6,366   1,040    
Investment, Identifier [Axis]: NMMB, Inc., Media, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[36] 51,564 [2]   64,542 [3]    
Investment, Identifier [Axis]: NMMB, Inc., Media, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[36] 29,723 [2]   29,723 [3]    
Investment, Identifier [Axis]: National Property REIT Corp.          
Schedule of Investments [Line Items]          
Investments at fair value 1,629,967   1,696,462 1,659,976  
Gross Additions (Cost) 22,528 [4]   253,948 [5]    
Gross Reductions (Cost) (14,000) [6]   (108,950) [7]    
Net unrealized gains (losses) (75,023)   (108,512)    
Interest Income 24,316   99,538    
Dividend Income 0   0    
Total other income (Note 10) 6,665   66,799    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: National Property REIT Corp., Equity Real Estate Investment Trusts (REITs) / Online Lending / Structured Finance, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[24],[37],[38]     561,988    
Investment, Identifier [Axis]: National Property REIT Corp., Equity Real Estate Investment Trusts (REITs) / Online Lending / Structured Finance, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[16],[37]     643,801    
Investment, Identifier [Axis]: National Property REIT Corp., Equity Real Estate Investment Trusts (REITs) / Online Lending / Structured Finance, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[16],[37]     20,630    
Investment, Identifier [Axis]: National Property REIT Corp., Equity Real Estate Investment Trusts (REITs) / Online Lending / Structured Finance, First Lien Term Loan C          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[16],[37]     190,500    
Investment, Identifier [Axis]: National Property REIT Corp., Equity Real Estate Investment Trusts (REITs) / Online Lending / Structured Finance, First Lien Term Loan D          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[16],[37]     183,425    
Investment, Identifier [Axis]: National Property REIT Corp., Equity Real Estate Investment Trusts (REITs) / Online Lending / Structured Finance, First Lien Term Loan E          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[16],[37]     49,925    
Investment, Identifier [Axis]: National Property REIT Corp., Equity Real Estate Investment Trusts (REITs) / Online Lending / Structured Finance, Residual Profit Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[37],[39]     46,193    
Investment, Identifier [Axis]: National Property REIT Corp., Residential Real Estate Investment Trusts (REITs) / Consumer Finance / Structured Finance, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[24],[37],[38] 493,295        
Investment, Identifier [Axis]: National Property REIT Corp., Residential Real Estate Investment Trusts (REITs) / Consumer Finance / Structured Finance, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[16],[37] 651,417        
Investment, Identifier [Axis]: National Property REIT Corp., Residential Real Estate Investment Trusts (REITs) / Consumer Finance / Structured Finance, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[37] 20,630        
Investment, Identifier [Axis]: National Property REIT Corp., Residential Real Estate Investment Trusts (REITs) / Consumer Finance / Structured Finance, First Lien Term Loan C          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[16],[37] 190,500        
Investment, Identifier [Axis]: National Property REIT Corp., Residential Real Estate Investment Trusts (REITs) / Consumer Finance / Structured Finance, First Lien Term Loan D          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[16],[37] 183,425        
Investment, Identifier [Axis]: National Property REIT Corp., Residential Real Estate Investment Trusts (REITs) / Consumer Finance / Structured Finance, First Lien Term Loan E          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[16],[37] 50,837        
Investment, Identifier [Axis]: National Property REIT Corp., Residential Real Estate Investment Trusts (REITs) / Consumer Finance / Structured Finance, Residual Profit Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[37],[39] 39,863        
Investment, Identifier [Axis]: Nationwide Loan Company LLC          
Schedule of Investments [Line Items]          
Investments at fair value 40,436   43,162 47,572  
Gross Additions (Cost) 2,230 [4]   9,972 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (4,956)   (14,382)    
Interest Income 1,748   5,111    
Dividend Income 0   0    
Total other income (Note 10) 0   147    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Nationwide Loan Company LLC, Consumer Finance, Class A Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[24],[40] 5,636 [2]   10,592 [3]    
Investment, Identifier [Axis]: Nationwide Loan Company LLC, Consumer Finance, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16],[17],[40] 5,717 [2],[22]   5,378 [3]    
Investment, Identifier [Axis]: Nationwide Loan Company LLC, Consumer Finance, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[16],[17],[40]     27,192    
Investment, Identifier [Axis]: Nationwide Loan Company LLC, Consumer Finance,First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[16],[17],[40] 29,083        
Investment, Identifier [Axis]: Nexus Buyer LLC, Capital Markets, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 42,500   42,500    
Investment, Identifier [Axis]: Nixon, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value 0   0 0  
Gross Additions (Cost) 0 [10]   0 [11]    
Gross Reductions (Cost) 0 [12]   0 [13]    
Net unrealized gains (losses) 0   0    
Interest Income 0   0    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Nixon, Inc., Textiles, Apparel & Luxury Goods , Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[41] 0 [8]   0 [9]    
Investment, Identifier [Axis]: Octagon Investment Partners 18-R Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 7,261   10,177    
Investment, Identifier [Axis]: Octagon Investment Partners XV, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 13,224   14,471    
Investment, Identifier [Axis]: OneTouchPoint Corp, Commercial Services & Supplies, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 34,845        
Investment, Identifier [Axis]: OneTouchPoint Corp, Professional Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     35,047    
Investment, Identifier [Axis]: Pacific World Corporation          
Schedule of Investments [Line Items]          
Investments at fair value 110,342   104,663 65,746  
Gross Additions (Cost) 7,094 [4]   41,521 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (1,415)   (2,604)    
Interest Income 2,535   10,164    
Dividend Income 0   0    
Total other income (Note 10) 98   812    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Pacific World Corporation, Personal Care Products, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[24],[42] 0        
Investment, Identifier [Axis]: Pacific World Corporation, Personal Care Products, Convertible Preferred Equity          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[24],[42] 4,647        
Investment, Identifier [Axis]: Pacific World Corporation, Personal Care Products, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[16],[22],[42] 39,910        
Investment, Identifier [Axis]: Pacific World Corporation, Personal Care Products, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[16],[42] 65,785        
Investment, Identifier [Axis]: Pacific World Corporation, Personal Product, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[24],[42]     0    
Investment, Identifier [Axis]: Pacific World Corporation, Personal Product, Convertible Preferred Equity          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[24],[42]     6,062    
Investment, Identifier [Axis]: Pacific World Corporation, Personal Product, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[16],[22],[42]     34,174    
Investment, Identifier [Axis]: Pacific World Corporation, Personal Product, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[16],[42]     64,427    
Investment, Identifier [Axis]: PeopleConnect Holdings, Inc, Interactive Media & Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[43] 120,594   120,594    
Investment, Identifier [Axis]: PlayPower, Inc., Leisure Products, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22] 0        
Investment, Identifier [Axis]: PlayPower, Inc., Leisure Products, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 17,090 [20]   5,526    
Investment, Identifier [Axis]: Precisely Software Incorporated, IT Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[44]     79,865    
Investment, Identifier [Axis]: Precisely Software Incorporated, Software, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[44] 77,370        
Investment, Identifier [Axis]: Preventics, Inc. (d/b/a Legere Pharmaceuticals), Health Care Providers & Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[45]     8,906    
Investment, Identifier [Axis]: Preventics, Inc. (d/b/a Legere Pharmaceuticals), Health Care Providers & Services, Series A Convertible Preferred Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[45],[46]     183    
Investment, Identifier [Axis]: Preventics, Inc. (d/b/a Legere Pharmaceuticals), Health Care Providers & Services, Series C Convertible Preferred Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[45]     2,042    
Investment, Identifier [Axis]: Preventics, Inc. (d/b/a Legere Pharmaceuticals), Personal Care Products, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20],[45] 8,859        
Investment, Identifier [Axis]: Preventics, Inc. (d/b/a Legere Pharmaceuticals), Personal Care Products, Series A Convertible Preferred Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[45] 231        
Investment, Identifier [Axis]: Preventics, Inc. (d/b/a Legere Pharmaceuticals), Personal Care Products, Series C Convertible Preferred Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[45] 2,585        
Investment, Identifier [Axis]: R-V Industries, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value 104,838   102,402 81,508  
Gross Additions (Cost) 0 [4]   3,700 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) 2,436   17,194    
Interest Income 1,320   5,358    
Dividend Income 0   0    
Total other income (Note 10) 0   106    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: R-V Industries, Inc., Machinery, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 67,516 [2]   65,080 [3]    
Investment, Identifier [Axis]: R-V Industries, Inc., Machinery, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 37,322 [2]   37,322 [3]    
Investment, Identifier [Axis]: RGIS Services, LLC          
Schedule of Investments [Line Items]          
Investments at fair value 21,658   18,069 10,397  
Gross Additions (Cost) 0 [10]   1,432 [11]    
Gross Reductions (Cost) 141 [12]   1,307 [13]    
Net unrealized gains (losses) 3,448   4,933    
Interest Income 0   0    
Dividend Income 141   2,291    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: RGIS Services, LLC, Commercial Services & Supplies, Membership Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1] 21,658 [8]   18,069 [9]    
Investment, Identifier [Axis]: RME Group Holding Company, Media, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 19,437   19,624    
Investment, Identifier [Axis]: RME Group Holding Company, Media, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 20,420   20,483    
Investment, Identifier [Axis]: Raisin Acquisition Co, Inc., Pharmaceuticals, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22] 1,406   1,425    
Investment, Identifier [Axis]: Raisin Acquisition Co, Inc., Pharmaceuticals, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22] 779   0    
Investment, Identifier [Axis]: Raisin Acquisition Co, Inc., Pharmaceuticals, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 22,290   22,601    
Investment, Identifier [Axis]: Reception Purchaser, LLC, Air Freight & Logistics, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 42,722   53,539 [20]    
Investment, Identifier [Axis]: Redstone Holdco 2 LP, IT Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[47] 37,717   47,360 [20]    
Investment, Identifier [Axis]: Research Now Group, LLC and Dynata, LLC , Professional Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14]     366    
Investment, Identifier [Axis]: Research Now Group, LLC and Dynata, LLC , Professional Services, First Lien Term Loan1          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[48]     9,320    
Investment, Identifier [Axis]: Research Now Group, LLC and Dynata, LLC , Professional Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[48]     1,948    
Investment, Identifier [Axis]: Research Now Group, LLC and Dynata, LLC, Professional Services, Common Stock of New Insight Holdings, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 3,329        
Investment, Identifier [Axis]: Research Now Group, LLC and Dynata, LLC, Professional Services, First Lien First Out Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 361        
Investment, Identifier [Axis]: Research Now Group, LLC and Dynata, LLC, Professional Services, First Lien Second Out Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[21] 7,268        
Investment, Identifier [Axis]: Research Now Group, LLC and Dynata, LLC, Professional Services, Warrants          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 0        
Investment, Identifier [Axis]: Rising Tide Holdings, Inc., Diversified Consumer Services, Class A Common Units to Marine One Holdco, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24]     3,923    
Investment, Identifier [Axis]: Rising Tide Holdings, Inc., Diversified Consumer Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14]     5,165    
Investment, Identifier [Axis]: Rising Tide Holdings, Inc., Diversified Consumer Services, Warrants of Marine One Holdco, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24]     0    
Investment, Identifier [Axis]: Rising Tide Holdings, Inc., Specialty Retail, Class A Common Units of Marine One Holdco, LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 485        
Investment, Identifier [Axis]: Rising Tide Holdings, Inc., Specialty Retail, First Lien First Out Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16] 2,116        
Investment, Identifier [Axis]: Rising Tide Holdings, Inc., Specialty Retail, First Lien Second Out Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16] 4,568        
Investment, Identifier [Axis]: Rising Tide Holdings, Inc., Specialty Retail, Warrants          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 0        
Investment, Identifier [Axis]: Rising Tide Holdings, Inc., Specialty Retail, Warrants 1          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 0        
Investment, Identifier [Axis]: Romark WM-R Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 8,981   11,173    
Investment, Identifier [Axis]: Rosa Mexicano, Hotels, Restaurants & Leisure, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[22] 4,419   4,281    
Investment, Identifier [Axis]: Rosa Mexicano, Hotels, Restaurants & Leisure, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 17,595 [16]   17,269    
Investment, Identifier [Axis]: ShiftKey, LLC, Health Care Technology, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 61,851   62,227    
Investment, Identifier [Axis]: Shutterfly, LLC, Household Durables, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 2,406        
Investment, Identifier [Axis]: Shutterfly, LLC, Household Durables, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16] 16,346        
Investment, Identifier [Axis]: Shutterfly, LLC, Internet & Direct Marketing Retail, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14]     2,406    
Investment, Identifier [Axis]: Shutterfly, LLC, Internet & Direct Marketing Retail, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16]     15,987    
Investment, Identifier [Axis]: Spectrum Vision Holdings, LLC, Health Care Equipment & Supplies, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 29,545   29,620    
Investment, Identifier [Axis]: Stryker Energy, LLC, Energy Equipment & Services, Overriding Royalty Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[49] 0   0    
Investment, Identifier [Axis]: Symphony CLO XIV, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19],[50] 0   0    
Investment, Identifier [Axis]: Symphony CLO XV, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 22,966   23,371    
Investment, Identifier [Axis]: TPS, LLC, Machinery, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16],[20] 20,864   21,414    
Investment, Identifier [Axis]: The RK Logistics Group, Inc., Commercial Services & Supplies, Class A Common Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 1,619   1,719    
Investment, Identifier [Axis]: The RK Logistics Group, Inc., Commercial Services & Supplies, Class B Common Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 8,835   9,381    
Investment, Identifier [Axis]: The RK Logistics Group, Inc., Commercial Services & Supplies, Class C Common Units          
Schedule of Investments [Line Items]          
Investments at fair value [1] 2,771   2,942    
Investment, Identifier [Axis]: The RK Logistics Group, Inc., Commercial Services & Supplies, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 5,670   5,685    
Investment, Identifier [Axis]: The RK Logistics Group, Inc., Commercial Services & Supplies, First Lien Term Loan 1          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 33,284   33,293    
Investment, Identifier [Axis]: Town & Country Holdings, Inc., Distributors, Class B of Town & Country TopCo LLC          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 9,472   13,304    
Investment, Identifier [Axis]: Town & Country Holdings, Inc., Distributors, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16] 28,631   27,706    
Investment, Identifier [Axis]: Town & Country Holdings, Inc., Distributors, First Lien Term Loan 1          
Schedule of Investments [Line Items]          
Investments at fair value [1] 41,286   41,217 [16]    
Investment, Identifier [Axis]: Town & Country Holdings, Inc., Distributors, First Lien Term Loan 2          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16] 164,187   158,882    
Investment, Identifier [Axis]: USES Corp.          
Schedule of Investments [Line Items]          
Investments at fair value 20,141   17,989 19,527  
Gross Additions (Cost) 3,516 [4]   1,545 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (1,364)   (3,083)    
Interest Income 644   1,990    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: USES Corp., Commercial Services & Supplies, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[51] 0 [2]   0 [3]    
Investment, Identifier [Axis]: USES Corp., Commercial Services & Supplies, First Lien Equipment Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16],[51] 15,735 [2]   12,219 [3]    
Investment, Identifier [Axis]: USES Corp., Commercial Services & Supplies, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[51] 2,000 [2]   2,000 [3]    
Investment, Identifier [Axis]: USES Corp., Commercial Services & Supplies, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[48],[51] 2,406 [2]   3,770 [3]    
Investment, Identifier [Axis]: USES Corp., Commercial Services & Supplies, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[48],[51] 0 [2]   0 [3]    
Investment, Identifier [Axis]: USG Intermediate, LLC, Leisure Products, Equity          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 0   0    
Investment, Identifier [Axis]: USG Intermediate, LLC, Leisure Products, First Lien Revolving Line of Credit          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[22] 14,000   14,000    
Investment, Identifier [Axis]: USG Intermediate, LLC, Leisure Products, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 59,515   59,765    
Investment, Identifier [Axis]: United Sporting Companies, Inc., Distributors, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[46],[48] 10,218   10,289 [14]    
Investment, Identifier [Axis]: Universal Turbine Parts, LLC          
Schedule of Investments [Line Items]          
Investments at fair value 67,448   68,067 45,065  
Gross Additions (Cost) 0 [4]   2,500 [5]    
Gross Reductions (Cost) (14) [6]   (49) [7]    
Net unrealized gains (losses) (605)   20,551    
Interest Income 1,046   4,030    
Dividend Income 0   0    
Total other income (Note 10) 0   0    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Universal Turbine Parts, LLC, Aerospace & Defense, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[24],[52] 0        
Investment, Identifier [Axis]: Universal Turbine Parts, LLC, Aerospace & Defense, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[22],[52] 5,545        
Investment, Identifier [Axis]: Universal Turbine Parts, LLC, Aerospace & Defense, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[14],[20],[52] 29,575        
Investment, Identifier [Axis]: Universal Turbine Parts, LLC, Aerospace & Defense, Preferred Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[2],[24],[52] 32,328        
Investment, Identifier [Axis]: Universal Turbine Parts, LLC, Trading Companies & Distributors, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[24],[52]     0    
Investment, Identifier [Axis]: Universal Turbine Parts, LLC, Trading Companies & Distributors, First Lien Delayed Draw Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[22],[52]     5,560    
Investment, Identifier [Axis]: Universal Turbine Parts, LLC, Trading Companies & Distributors, First Lien Term Loan A          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[14],[20],[52]     29,575    
Investment, Identifier [Axis]: Universal Turbine Parts, LLC, Trading Companies & Distributors, Preferred Units          
Schedule of Investments [Line Items]          
Investments at fair value [1],[3],[24],[52]     32,932    
Investment, Identifier [Axis]: Upstream Newco, Inc., Health Care Providers & Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 18,592   19,145 [20]    
Investment, Identifier [Axis]: Valley Electric Company, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value 305,384   316,419 $ 165,784  
Gross Additions (Cost) 0 [4]   4,763 [5]    
Gross Reductions (Cost) 0 [6]   0 [7]    
Net unrealized gains (losses) (11,035)   145,872    
Interest Income 3,174   12,316    
Dividend Income 0   0    
Total other income (Note 10) 167   666    
Net realized gains (losses) 0   0    
Investment, Identifier [Axis]: Valley Electric Company, Inc., Construction & Engineering, Common Stock          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24],[53] 219,761 [2]   230,698 [3]    
Investment, Identifier [Axis]: Valley Electric Company, Inc., Construction & Engineering, Consolidated Revenue Interest          
Schedule of Investments [Line Items]          
Investments at fair value [1],[25],[53] 1,764 [2]   1,863 [3]    
Investment, Identifier [Axis]: Valley Electric Company, Inc., Construction & Engineering, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16],[20],[53] 38,630 [2]   38,629 [3]    
Investment, Identifier [Axis]: Valley Electric Company, Inc., Construction & Engineering, First Lien Term Loan B          
Schedule of Investments [Line Items]          
Investments at fair value [1],[16],[20],[53] 34,777 [2]   34,777 [3]    
Investment, Identifier [Axis]: Valley Electric Company, Inc., Construction & Engineering, First Lien Term Loan to Valley Electric Co. of Mt. Vernon, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[16],[20],[53] 10,452 [2]   10,452 [3]    
Investment, Identifier [Axis]: Victor Technology, LLC, Commercial Services & Supplies, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     13,946    
Investment, Identifier [Axis]: Victor Technology, LLC, Distributors, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 11,698        
Investment, Identifier [Axis]: Voya CLO 2012-4, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 8,096   10,385    
Investment, Identifier [Axis]: Voya CLO 2014-1, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 7,112   9,437    
Investment, Identifier [Axis]: Voya CLO 2016-3, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18],[19] 15,964   16,556    
Investment, Identifier [Axis]: Voya CLO 2017-3, Ltd., Structured Finance, Subordinated Structured Note          
Schedule of Investments [Line Items]          
Investments at fair value [1],[17],[18] 39,909   40,152    
Investment, Identifier [Axis]: WatchGuard Technologies, Inc., IT Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] 34,318   34,334    
Investment, Identifier [Axis]: Wellful Inc., Food & Staples Retailing, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     10,721    
Investment, Identifier [Axis]: Wellful Inc., Food & Staples Retailing, Incremental First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20]     11,530    
Investment, Identifier [Axis]: Wellful Inc., Food Products, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 8,916        
Investment, Identifier [Axis]: Wellful Inc., Food Products, Incremental First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 9,590        
Investment, Identifier [Axis]: Wellpath Holdings, Inc., Health Care Providers & Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 8,737 [48]   12,689    
Investment, Identifier [Axis]: Wellpath Holdings, Inc., Health Care Providers & Services, Second Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14] 19,240 [48]   24,027    
Investment, Identifier [Axis]: iQor Holdings, Inc., Diversified Consumer Services, Common Stock of Bloom Parent, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24]     10,232    
Investment, Identifier [Axis]: iQor Holdings, Inc., Diversified Consumer Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14]     $ 50,000    
Investment, Identifier [Axis]: iQor Holdings, Inc., Professional Services, Common Stock of Bloom Parent, Inc.          
Schedule of Investments [Line Items]          
Investments at fair value [1],[24] 11,677        
Investment, Identifier [Axis]: iQor Holdings, Inc., Professional Services, First Lien Term Loan          
Schedule of Investments [Line Items]          
Investments at fair value [1],[14],[20] $ 49,620        
[1] Fair value is determined by or under the direction of our Board of Directors. Unless otherwise indicated by endnote 45 below, all of our investments are valued using significant unobservable inputs. In accordance with ASC 820, such investments are classified as Level 3 within the fair value hierarchy. See Notes 2 and 3 within the accompanying notes to consolidated financial statements for further discussion.
[2] As defined in the 1940 Act, we are deemed to “Control” these portfolio companies because we own more than 25% of the portfolio company’s outstanding voting securities. Transactions during the three months ended September 30, 2024 with these controlled investments were as follows:
Controlled CompaniesFair Value at June 30, 2024Gross Additions (Cost)(A)Gross Reductions (Cost)(B)Net unrealized
gains (losses)
Fair Value at September 30, 2024Interest
income
Dividend
income
Other
income
Net realized
gains (losses)
CP Energy Services Inc.$70,721 $5,405 $— $177 $76,303 $3,164 $— $— $— 
CP Energy - Spartan Energy Services, Inc.39,485 2,144 — (2,803)38,826 1,460 — — — 
Credit Central Loan Company, LLC79,230 1,361 — (6,394)74,197 2,121 — — — 
Echelon Transportation, LLC66,923 1,260 (150)(4,169)63,864 852 — — — 
First Tower Finance Company LLC605,928 5,999 (437)8,319 619,809 16,461 — — — 
Freedom Marine Solutions, LLC12,651 975 — (1,175)12,451 — — — — 
InterDent, Inc.463,883 6,772 — (66,928)403,727 9,736 — — — 
Kickapoo Ranch Pet Resort4,742 — — 293 5,035 49 — — — 
MITY, Inc.85,583 1,500 — 3,372 90,455 2,396 — 37 
National Property REIT Corp.1,696,462 22,528 (14,000)(75,023)1,629,967 24,316 — 6,665 — 
Nationwide Loan Company LLC43,162 2,230 — (4,956)40,436 1,748 — — — 
NMMB, Inc.94,265 — — (12,978)81,287 1,070 — — 6,366 
Pacific World Corporation104,663 7,094 — (1,415)110,342 2,535 — 98 — 
R-V Industries, Inc.102,402 — — 2,436 104,838 1,320 — — — 
Universal Turbine Parts, LLC68,067 — (14)(605)67,448 1,046 — — — 
USES Corp.17,989 3,516 — (1,364)20,141 644 — — — 
Valley Electric Company, Inc.316,419 — — (11,035)305,384 3,174 — 167 — 
Total$3,872,575 $60,784 $(14,601)$(174,248)$3,744,510 $72,092 $— $6,967 $6,367 
(A) Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, OID accretion and PIK interest, and any transfer of investments.
(B) Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.
[3] As defined in the 1940 Act, we are deemed to “Control” these portfolio companies because we own more than 25% of the portfolio company’s outstanding voting securities. Transactions during the year ended June 30, 2024 with these controlled investments were as follows:
Portfolio CompanyFair Value at June 30, 2023Gross Additions (Cost)(A)Gross Reductions (Cost)(B)Net unrealized
gains (losses)
Fair Value at June 30, 2024Interest
income
Dividend
income
Other
income
Net realized
gains (losses)
CP Energy Services Inc.$79,355 $11,355 $— $(19,989)$70,721 $11,452 $— $— $— 
CP Energy - Spartan Energy Services, Inc.34,665 8,523 — (3,703)39,485 4,840 — — — 
Credit Central Loan Company, LLC73,642 5,987 — (399)79,230 9,312 — — — 
Echelon Transportation LLC64,198 — (1,861)4,586 66,923 3,470 — — — 
First Tower Finance Company LLC598,382 29,385 (319)(21,520)605,928 62,675 — — — 
Freedom Marine Solutions, LLC12,710 — — (59)12,651 — — — — 
InterDent, Inc.457,967 23,249 — (17,333)463,883 36,946 — — — 
Kickapoo Ranch Pet Resort3,242 1,500 — — 4,742 92 80 75 — 
MITY, Inc.68,178 5,150 — 12,255 85,583 8,988 — 130 (1)
National Property REIT Corp.1,659,976 253,948 (108,950)(108,512)1,696,462 99,538 — 66,799 — 
Nationwide Loan Company LLC47,572 9,972 — (14,382)43,162 5,111 — 147 — 
NMMB, Inc.94,180 — — 85 94,265 4,255 657 — 1,040 
Pacific World Corporation65,746 41,521 — (2,604)104,663 10,164 — 812 — 
R-V Industries, Inc.81,508 3,700 — 17,194 102,402 5,358 — 106 — 
Universal Turbine Parts, LLC45,065 2,500 (49)20,551 68,067 4,030 — — — 
USES Corp.19,527 1,545 — (3,083)17,989 1,990 — — — 
Valley Electric Company, Inc.165,784 4,763 — 145,872 316,419 12,316 — 666 — 
Total$3,571,697 $403,098 $(111,179)$8,959 $3,872,575 $280,537 $737 $68,735 $1,039 
(A) Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, PIK interest, and any transfer of investments.
(B) Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.
[4] Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, OID accretion and PIK interest, and any transfer of investments.
[5] Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, PIK interest, and any transfer of investments.
[6] Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.
[7] Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.
[8] As defined in the 1940 Act, we are deemed to be an “Affiliated company” of these portfolio companies because we own more than 5% of the portfolio company’s outstanding voting securities. Transactions during the three months ended September 30, 2024 with these affiliated investments were as follows:
Affiliated CompaniesFair Value at June 30, 2024Gross Additions (Cost)(A)Gross Reductions (Cost)(B)Net unrealized
gains (losses)
Fair Value at September 30, 2024Interest
income
Dividend
income
Other
income
Net realized
gains (losses)
Nixon, Inc.$— $— $— $— $— $— $— $— $— 
RGIS Services, LLC18,069 — 141 3,448 21,658 — 141 — — 
Total$18,069 $— $141 $3,448 $21,658 $— $141 $— $— 
(A) Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, PIK interest, and any transfer of investments.
(B) Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.
[9] As defined in the 1940 Act, we are deemed to be an “Affiliated company” of these portfolio companies because we own more than 5% of the portfolio company’s outstanding voting securities. Transactions during the year ended June 30, 2024 with these affiliated investments were as follows:
Portfolio CompanyFair Value at June 30, 2023Gross Additions (Cost)(A)Gross Reductions (Cost)(B)Net unrealized
gains (losses)
Fair Value at June 30, 2024Interest
income
Dividend
income
Other
income
Net realized
gains (losses)
Nixon, Inc.$— $— $— $— $— $— $— $— $— 
RGIS Services, LLC10,397 1,432 1,307 4,933 18,069 — 2,291 — — 
10,397 1,432 1,307 4,933 18,069 — 2,291 — — 
(A)    Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, PIK interest, and any transfer of investments.
(B)    Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.
[10] Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, PIK interest, and any transfer of investments.
[11] Gross additions include increases in the cost basis of the investments resulting from new portfolio investments, PIK interest, and any transfer of investments.
[12] Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.
[13] Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investments repayments or sales, impairments, and any transfer of investments.
[14] Certain variable rate securities in our portfolio bear interest at a rate determined by a publicly disclosed base rate plus a basis point spread. The 1-Month Secured Overnight Financing Rate or “1M SOFR”, was 4.85% as of September 30, 2024 and 5.34% as of June 30, 2024. The 3-Month Secured Overnight Financing Rate or “3M SOFR”, was 4.59% as of September 30, 2024 and 5.32% as of June 30, 2024. The 6-Month Secured Overnight Financing Rate or “6M SOFR” was 4.25% as of September 30, 2024 and 5.26% as of June 30, 2024. The PRIME Rate or “PRIME” was 8.00% as of September 30, 2024 and 8.50% as of June 30, 2024. The impact of a SOFR credit spread adjustment, if applicable, is included within the stated all-in interest rate.
[15] CP Holdings of Delaware LLC (“CP Holdings”), a consolidated entity in which we own 100% of the membership interests, owns 99.8% of CP Energy Services Inc. (“CP Energy”) as of September 30, 2024 and June 30, 2024. CP Energy owns directly or indirectly 100% of each of CP Well Testing, LLC; Wright Foster Disposals, LLC; Foster Testing Co., Inc.; ProHaul Transports, LLC; and Wright Trucking, Inc. We report CP Energy as a separate controlled company. In June 2019, CP Energy purchased a controlling interest in the common equity of Spartan Energy Holdings, Inc. (“Spartan Holdings”), which owns 100% of Spartan Energy Services, LLC (“Spartan”), a portfolio company of Prospect with $43,321 and $41,177 in first lien term loans (the “Spartan Term Loans”) due to us as of September 30, 2024 and June 30, 2024, respectively. As a result of CP Energy’s purchase, and given Prospect’s controlling interest in CP Energy, our Spartan Term Loans are presented as control investments under CP Energy. Spartan remains the direct borrower and guarantor to Prospect for the Spartan Term Loans. In September 2020, we made a new $26,193 Series A preferred stock investment in Spartan Energy Holdings, Inc., which equates to 100% of the Series A non-voting redeemable preferred stock outstanding.
[16] The interest rate on these investments, excluding those on non-accrual, contains a paid in kind (“PIK”) provision, whereby the issuer has either the option or the obligation to make interest payments with the issuance of additional securities. The interest rate in the schedule represents the current interest rate in effect for these investments.
The following table provides additional details on these PIK investments, including the maximum annual PIK interest rate allowed under the existing credit agreements, as of and for three months ended September 30, 2024:
Security NamePIK Rate -
Capitalized
PIK Rate -
Paid as cash
Maximum
Current PIK Rate
Aventiv Technologies, LLC - Third Out Super Priority First Lien Term Loan4.09%—%4.09%
Aventiv Technologies, LLC - Second Lien Term Loan8.05%5.87%—%(A)
CP Energy Services Inc. - First Lien Term Loan11.53%2.33%—%(B)
CP Energy Services Inc. - First Lien Term Loan13.86%—%—%(B)
CP Energy Services Inc. - First Lien Term Loan13.86%—%—%(B)
CP Energy Services Inc. - First Lien Term Loan A to Spartan Energy Services, LLC12.87%—%—%(C)
Credit Central Loan Company, LLC - First Lien Term Loan6.49%3.51%5.00%(D)
Credit.com Holdings, LLC - First Lien Term Loan A15.87%—%—%(E)
Credit.com Holdings, LLC - First Lien Term Loan B16.87%—%—%(E)
Echelon Transportation, LLC - First Lien Term Loan4.55%1.45%—%(F)
First Tower Finance Company LLC - First Lien Term Loan4.13%10.87%5.00%(G)
InterDent, Inc. - First Lien Term Loan B7.00%—%7.00%
MITY, Inc. - First Lien Term Loan B—%10.00%10.00%
National Property REIT Corp. - First Lien Term Loan A—%2.00%2.00%
National Property REIT Corp. - First Lien Term Loan C—%2.25%2.25%
National Property REIT Corp. - First Lien Term Loan D—%2.00%2.00%
National Property REIT Corp. - First Lien Term Loan E7.00%—%7.00%
Nationwide Loan Company LLC - First Lien Term Loan20.00%—%10.00%(H)
Nationwide Loan Company LLC - Delayed Draw Term Loan20.00%—%10.00%(H)
Pacific World Corporation - First Lien Revolving Line of Credit8.10%1.00%9.10%
Pacific World Corporation - First Lien Term Loan A7.62%1.47%9.10%
Rising Tide Holdings, Inc. - First Lien First Out Term Loan15.00%—%15.00%
Rising Tide Holdings, Inc. - First Lien Second Out Term Loan12.00%—%12.00%
Rosa Mexicano - First Lien Term Loan2.03%10.33%—%(I)
Shutterfly, LLC - Second Lien Term Loan4.00%—%4.00%
Town & Country Holdings, Inc. - First Lien Term Loan12.00%—%12.00%
Town & Country Holdings, Inc. - First Lien Term Loan12.00%—%12.00%
TPS, LLC - First Lien Term Loan1.50%—%1.50%
USES Corp. - First Lien Equipment Term Loan14.11%—%—%(J)
Valley Electric Co. of Mt. Vernon, Inc. - First Lien Term Loan—%2.50%2.50%
Valley Electric Company, Inc. - First Lien Term Loan—%10.00%10.00%
Valley Electric Company, Inc. - First Lien Term Loan B—%5.50%5.50%
(A) On December 29, 2023, the Aventiv Technologies, LLC Second Lien Term Loan was amended to allow a portion of interest accruing in cash to be payable in kind.
(B) On January 6, 2023, the CP Energy Services, Inc. Amendment No. 16 to Loan Agreement was amended to allow interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 13.86%.
(C) On August 22, 2022, the Spartan Energy Services, LLC Twenty-Fifth Amendment to Amended and Restated Senior Secured Loan Agreement was amended to allow interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 12.87%.
(D) On September 30, 2022, the Credit Central Senior Subordinated Loan Agreement was amended to allow interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 10.00%.
(E) On September 28, 2023, the Credit.com First Lien Term Loan A and First Lien Term Loan B were amended to allow a portion of interest accruing in cash to be payable in kind.
(F) Echelon Transportation, LLC First Lien Term Loan allows a portion interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 6.00%.
(G) On December 30, 2022, the First Tower Finance Company LLC Amendment No. 15 was amended to reduce the PIK rate to 5.00% and allow the interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 15.00%.
(H) Nationwide Senior Secured Term Loan and Delayed Draw Term Loan allow a portion interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 20.00%.
(I) On September 27, 2024, the Rosa Mexicano First Lien Term Loan was amended to allow a portion of interest accruing in cash to be payable in kind.
(J) On March 28, 2023, the USES Corp. First Lien Equipment Term loan was amended to allow interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 14.11%.


The following table provides additional details on these PIK investments, including the maximum annual PIK interest rate allowed under the existing credit agreements, as of and for three months ended June 30, 2024:    
Security NamePIK Rate -
Capitalized
PIK Rate -
Paid as cash
Maximum
Current PIK Rate
Aventiv Technologies, LLC - Third Out Super Priority First Lien Term Loan4.09%—%4.09%
Aventiv Technologies, LLC - Second Lien Term Loan8.05%5.05%—%(A)
CP Energy Services Inc. - First Lien Term Loan14.56%—%—%(B)
CP Energy Services Inc. - First Lien Term Loan14.56%—%—%(B)
CP Energy Services Inc. - First Lien Term Loan14.56%—%—%(B)
CP Energy Services Inc. - First Lien Term Loan A to Spartan Energy Services, LLC13.59%—%13.59%(C)
Credit Central Loan Company, LLC - First Lien Term Loan0.62%14.38%5.00%(D)
Credit.com Holdings, LLC - First Lien Term Loan A16.60%—%—%(E)
Credit.com Holdings, LLC - First Lien Term Loan B17.60%—%—%(E)
Eze Castle Integration, Inc. - First Lien Term Loan0.75%—%—%
Eze Castle Integration, Inc. - Delayed Draw Term Loan0.75%—%—%
First Tower Finance Company LLC - First Lien Term Loan9.80%5.20%5.00%(F)
InterDent, Inc. - First Lien Term Loan B12.00%—%12.00%
MITY, Inc. - First Lien Term Loan B—%10.00%10.00%
National Property REIT Corp. - First Lien Term Loan A—%2.00%2.00%
National Property REIT Corp. - First Lien Term Loan C—%2.25%2.25%
National Property REIT Corp. - First Lien Term Loan D—%2.00%2.00%
National Property REIT Corp. - First Lien Term Loan E7.00%—%7.00%
Nationwide Loan Company LLC - First Lien Term Loan20.00%—%10.00%(G)
Nationwide Loan Company LLC - Delayed Draw Term Loan20.00%—%10.00%(G)
Pacific World Corporation - First Lien Revolving Line of Credit9.59%—%9.59%
Pacific World Corporation - First Lien Term Loan A8.01%1.58%9.59%
Rising Tide Holdings, Inc. - Exit Facility Term Loan7.00%6.58%7.00%(H)
Rosa Mexicano - First Lien Revolving Line of Credit9.72%6.28%—%
Rosa Mexicano - First Lien Term Loan13.11%—%—%
Shutterfly, LLC - Second Lien Term Loan4.00%—%4.00%
Town & Country Holdings, Inc. - First Lien Term Loan12.00%—%12.00%
Town & Country Holdings, Inc. - First Lien Term Loan12.00%—%12.00%
Town & Country Holdings, Inc. - First Lien Term Loan9.00%—%9.00%
TPS, LLC - First Lien Term Loan1.50%—%1.50%
USES Corp. - First Lien Equipment Term Loan14.59%—%—%(I)
Valley Electric Co. of Mt. Vernon, Inc. - First Lien Term Loan—%2.50%2.50%
Valley Electric Company, Inc. - First Lien Term Loan10.00%—%10.00%(J)
Valley Electric Company, Inc. - First Lien Term Loan B8.00%—%5.50%(J)
(A) On December 29, 2023, the Aventiv Technologies, LLC Second Lien Term Loan was amended to allow a portion of interest accruing in cash to be payable in kind.
(B) On January 6, 2023, the CP Energy Services, Inc. Amendment No. 16 to Loan Agreement was amended to allow interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 14.59%. PIK was due July 1, 2024 for CP Energy Services, Inc. loans.
(C) On August 22, 2022, the Spartan Energy Services, LLC Twenty-Fifth Amendment to Amended and Restated Senior Secured Loan Agreement was amended to allow interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 13.59%. PIK was due July 1, 2024 for Spartan Energy Services, LLC.
(D) On September 30, 2022, the Credit Central Senior Subordinated Loan Agreement was amended to allow interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 10.00%.
(E) On September 28, 2023, the Credit.com First Lien Term Loan A and First Lien Term Loan B were amended to allow a portion of interest accruing in cash to be payable in kind.
(F) On December 30, 2022, the First Tower Finance Company LLC Amendment No. 15 was amended to reduce the PIK rate to 5.00% and allow the interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 15.00%.
(G) Nationwide Senior Secured Term Loan and Delayed Draw Term Loan allow a portion interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 20.00%.
(H) On September 12, 2023, the Rising Tide Holdings, Inc. Exit Facility Term loan was amended to allow a portion of interest accruing in cash to be payable in kind.
(I) On March 28, 2023, the USES Corp. First Lien Equipment Term loan was amended to allow interest accruing in cash to be payable in kind resulting in a maximum current PIK rate of 14.59%. PIK was due July 1, 2024 for USES Corp.
(J) PIK was due July 1, 2024 for Valley Electric Company, Inc. loans. The payment of PIK was in cash. The PIK rate was amended to 5.50%.
[17] Investment has been designated as an investment not “qualifying” under Section 55(a) of the Investment Company Act of 1940 (the “1940 Act”). Under the 1940 Act, we may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of our total assets as calculated in accordance with regulatory requirements. As of September 30, 2024 and June 30, 2024, our qualifying assets, as a percentage of total assets, stood at 83.96% and 83.78%, respectively. We monitor the status of these assets on an ongoing basis.
[18] This investment is in the equity class of the collateralized loan obligation (“CLO”) security, which is referred to as “Subordinated Structured Note,” or “SSN”. The SSN investments are entitled to recurring distributions which are generally equal to the excess cash flow generated from the underlying investments after payment of the contractual payments to debt holders and fund expenses. The current estimated yield, calculated using amortized cost, is based on the current projections of this excess cash flow taking into account assumptions which have been made regarding expected prepayments, losses and future reinvestment rates. These assumptions are periodically reviewed and adjusted. Ultimately, the actual yield may be higher or lower than the estimated yield if actual results differ from those used for the assumptions.
[19] The effective yield has been estimated to be 0% as expected future cash flows are anticipated to not be sufficient to repay the investment at cost. If the expected investment proceeds increase, there is a potential for future investment income from the investment. Distributions, once received, will be recognized as return of capital, and when called, any remaining unamortized investment costs will be written off if the actual distributions are less than the amortized investment cost. To the extent that the cost basis of the SSN is fully recovered, any future distributions will be recorded as realized gains.
[20] Security, or a portion thereof, is held by Prospect Capital Funding LLC (“PCF”), our wholly owned subsidiary and a bankruptcy remote special purpose entity, and is pledged as collateral for the Revolving Credit Facility and such security is not available as collateral to our general creditors (see Note 4). The fair value of the investments held by PCF at September 30, 2024 and June 30, 2024 were $2,678,373 and $2,793,051, respectively, representing 35.8% and 36.2% of our total investments, respectively.
[21] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche(s) with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company may receive a higher interest rate than the “first out” lenders and the Consolidated Schedule of Investments above reflects such higher rate, as applicable.
[22] Undrawn committed revolvers and delayed draw term loans to our portfolio companies incur commitment and unused fees ranging from 0.00% to 5.75%. As of September 30, 2024 and June 30, 2024, we had $47,914 and $34,771, respectively, of undrawn revolver and delayed draw term loan commitments to our portfolio companies.
[23] The stated interest rate on the drawn revolver and delayed drawn term loan commitments represents a weighted average interest rate for the funded amounts of the investment.
[24] Represents non-income producing security that has not paid a dividend in the year preceding the reporting date.
[25] The consolidated revenue interest is equal to the lesser of (i) 2.0% of consolidated revenue for the twelve-month period ending on the last day of the prior fiscal quarter (or portion thereof) and (ii) 25% of the amount of interest accrued on the Notes at the cash interest rate for such fiscal quarter (or portion thereof).
[26] Credit Central Holdings of Delaware, LLC (“Credit Central Delaware”), a consolidated entity in which we own 100% of the membership interests, owns 99.8% and 99.8% of Credit Central Loan Company, LLC (f/k/a Credit Central Holdings, LLC (“Credit Central”)) as of September 30, 2024 and June 30, 2024, respectively. Credit Central owns 100% of each of Credit Central, LLC; Credit Central South, LLC; Credit Central of Texas, LLC; and Credit Central of Tennessee, LLC, the operating companies. We report Credit Central as a separate controlled company.
[27] On September 28, 2023, in connection with a Chapter 11 process, PGX Holdings, Inc. (“PGX”) sold the majority of its assets to a new entity, Credit.com Holdings, LLC (“Credit.com”). As part of the transaction, we rolled the majority of our existing First Lien Term Loan into a new First Lien Term Loan A and new First Lien Term Loan B at Credit.com. We were also issued equity at Credit.com, which we hold through our Class B non-voting equity investment in PGX Topco II LLC. As of September 30, 2024 and June 30, 2024, we classify our investment in Credit.com as non-control/non-affiliate.
[28] This investment represents a Level 2 security in the ASC 820 table as of September 30, 2024 and June 30, 2024. See Notes 2 and 3 within the accompanying notes to consolidated financial statements for further discussion.
[29] Discovery Point Retreat, LLC, Discovery MSO LLC, Eating Disorder Solutions of Texas LLC, Discovery Point Retreat Waxahachie, LLC are joint borrowers on the First Lien Term Loan.
[30] Emerge Intermediate, Inc., HD Research, LLC, ERG Buyer, LLC, and ERG Blocker, Inc. are joint borrowers on the First Lien Term Loan.
[31] First Tower Holdings of Delaware LLC (“First Tower Delaware”), a consolidated entity in which we own 100% of the membership interests, owns 80.10% of the voting interest and 78.06% of the fully-diluted economic interest of First Tower Finance Company LLC (“First Tower Finance”). First Tower Finance owns 100% of First Tower, LLC, the operating company. We report First Tower Finance as a separate controlled company. Effective March 17, 2021, the First Tower, LLC lenders were granted a first priority security interest in First Tower Finance’s assets and our investment became classified as a First Lien Term Loan.
[32] Energy Solutions Holdings Inc., a consolidated entity in which we own 100% of the equity, owns 100% of Freedom Marine Solutions, LLC (“Freedom Marine”), which owns Vessel Company, LLC, Vessel Company II, LLC and Vessel Company III, LLC. We report Freedom Marine as a separate controlled company.
[33] Japs-Olson Company, LLC, Alpha Mail Debt Merger Sub, LLC and J-O Building Company LLC are joint borrowers on the First Lien Term Loan.
[34] MITY Holdings of Delaware Inc. (“MITY Delaware”), a consolidated entity in which we own 100% of the common stock, owns 100% of the equity of MITY, Inc. (f/k/a MITY Enterprises, Inc.) (“MITY”). MITY owns 100% of each of MITY-Lite, Inc. (“Mity-Lite”); Broda Enterprises USA, Inc.; and Broda Enterprises ULC (“Broda Canada”). We report MITY as a separate controlled company. Our subordinated unsecured note issued and outstanding to Broda Canada is denominated in Canadian Dollars (“CAD”). As of September 30, 2024 and June 30, 2024, the principal balance of this note was CAD 7,371. In accordance with ASC 830, Foreign Currency Matters (“ASC 830”), this note was remeasured into our functional currency, US Dollars (USD), and is presented on our Consolidated Schedule of Investments in USD. We formed a separate legal entity domiciled in the United States, MITY FSC, Inc., (“MITY FSC”) in which Prospect owns 100% of the equity. MITY FSC does not have material operations. This entity earns commission payments from MITY-Lite based on its sales to foreign customers, and distributes it to its shareholder.
[35] Medical Solutions Holdings, Inc. and Medical Solutions, LLC are joint borrowers on the Second Lien Term Loan.
[36] NMMB Holdings, Inc. (“NMMB Holdings”), a consolidated entity in which we own 100% of the equity, owns 92.77% of the fully diluted equity of NMMB, Inc. (“NMMB”) as of September 30, 2024 and June 30, 2024. NMMB owns 100% of Refuel Agency, Inc., which owns 100% of Armed Forces Communications, Inc. We report NMMB as a separate controlled company.
[37] NPH Property Holdings, LLC (“NPH”), a consolidated entity in which we own 100% of the membership interests, owns 100% of the common equity of National Property REIT Corp. (“NPRC”) (f/k/a National Property Holdings Corp.), a property REIT which holds investments in several real estate properties. Additionally, NPRC invests in online consumer loans and rated secured structured notes through American Consumer Lending Limited (“ACLL”) and National General Lending Limited (“NGL”), respectively, its wholly owned subsidiaries. We report NPRC as a separate controlled company. See Note 3 for further discussion of the investments held by NPRC.
[38] Since Prospect's initial common equity investment in NPRC on December 31, 2013, we have made numerous additional follow-on investments that have been used to invest in new and existing properties as well as online consumer loans and rated secured structured notes. These follow-on acquisitions are summarized by fiscal year below (excluding effects of return of capital distributions). Details of specific transactions are included in the respective fiscal year Form 10-K filing (refer to endnote 42 for NPRC term loan follow-on investments):
Fiscal YearFollow-On Investments
(NPRC Common Stock, excluding cost of initial investment)
2014$4,555 
201568,693 
201693,857 
2017116,830 
2018137,024 
201911,582 
202019,800 
202215,620 
20233,600 
20244,600 
[39] As of September 30, 2024 and June 30, 2024, the residual profit interest includes both (i) 8.33% of TLA, TLD and TLE residual profit and (ii) 100% of TLC residual profits, with both calculated quarterly in arrears.
[40] Nationwide Acceptance Holdings LLC (“Nationwide Holdings”), a consolidated entity in which we own 100% of the membership interests, owns 94.48% of Nationwide Loan Company LLC, the operating company, as of September 30, 2024 and June 30, 2024. We report Nationwide Loan Company LLC as a separate controlled company. Prospect has a first priority security interest in the assets of Nationwide.
[41] As of September 30, 2024 and June 30, 2024, Prospect owns 8.57% of the equity in Encinitas Watches Holdco, LLC, the parent company of Nixon, Inc.
[42] Prospect owns 100% of the preferred equity of Pacific World Corporation (“Pacific World”), which represents a 99.99% and 99.98% ownership interest of Pacific World as of September 30, 2024 and as of June 30, 2024, respectively. As a result, Prospect’s investment in Pacific World is classified as a control investment.
[43] PeopleConnect Holdings, Inc. and Pubrec Holdings, Inc. are joint borrowers.
[44] Vision Solutions, Inc. and Precisely Software Incorporate are joint borrowers on the Second Lien Term Loan.
[45] Prospect owns 38.95% of the preferred stock of Legere Pharmaceutical Holdings, Inc. (“Legere”), which represents 4.98% voting interest in Legere. Legere is the parent company of the borrower, Preventics, Inc. (d/b/a Legere Pharmaceuticals).
[46] Ellett Brothers, LLC, Evans Sports, Inc., Jerry’s Sports, Inc., Simmons Gun Specialties, Inc., Bonitz Brothers, Inc., and Outdoor Sports Headquarters, Inc. are joint borrowers on the second lien term loan. United Sporting Companies, Inc. (“USC”) is a parent guarantor of this debt investment, and is 100% owned by SportCo Holdings, Inc. (“SportCo”). In June 2019, USC filed for Chapter 11 bankruptcy and began liquidating its remaining assets.
[47] Redstone Holdco 2 LP is the parent borrower on the second lien term loan. Redstone Buyer, LLC, Redstone Intermediate (Archer) HoldCo LLC, Redstone Intermediate (FRI) HoldCo LLC, Redstone Intermediate (NetWitness) HoldCo, LLC, and Redstone Intermediate (SecurID) HoldCo, LLC are joint borrowers on the Second Lien Term Loan.
[48] Investment on non-accrual status as of the reporting date (See Note 2).
[49] The overriding royalty interests held receive payments at the stated rates based upon operations of the borrower.
[50] Security was called for redemption and the liquidation of the underlying loan portfolio is ongoing.
[51] Prospect owns 99.96% of the equity of USES Corp. as of September 30, 2024 and June 30, 2024.
[52] UTP Holdings Group, Inc. (“UTP Holdings”) owns all of the voting stock of Universal Turbine Parts, LLC (“UTP”) and has appointed a Board of Directors to UTP Holdings, consisting of three employees of the Investment Adviser. UTP Holdings owns UTP. UTP Holdings is a wholly-owned holding company controlled by Prospect and therefore Prospect’s investment in UTP is classified as a control investment.
[53] Valley Electric Holdings I, Inc., a consolidated entity in which we own 100% of the common stock, owns 100% of Valley Electric Holdings II, Inc. (“Valley Holdings II”), another consolidated entity. Valley Holdings II owns 94.99% of Valley Electric Company, Inc. (“Valley Electric”). Valley Electric owns 100% of the equity of VE Company, Inc., which owns 100% of the equity of Valley Electric Co. of Mt. Vernon, Inc. We report Valley Electric as a separate controlled company.