v3.26.1
CONSOLIDATED SCHEDULE OF INVESTMENTS (Parentheticals) 1
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
investment
Jun. 30, 2026
USD ($)
investment
Dec. 31, 2025
USD ($)
investment
Percent of net assets 221.28% [1],[2],[3],[4] 221.28% [1],[2],[3],[4] 221.58% [5],[6]
Investment, tax basis, unrealized gain $ 76,100 $ 76,100 $ 68,000
Investment, tax basis, unrealized loss 108,100 108,100 86,700
Investment, tax basis, unrealized loss 32,000 32,000 18,700
Tax basis of investments, cost for income tax purposes 812,700 812,700 802,300
Investment company debt security, nonaccrual 38,600 38,600 39,700
Investment company debt security, nonaccrual, fair value 16,400 16,400 17,100
Total portfolio company investments $ 780,742 [1],[2],[3] $ 780,742 [1],[2],[3] $ 783,544 [5],[7],[8]
Basis spread on variable rate 3.66% 3.66% 3.82%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 783,544 [5],[7],[8]  
Ending balance $ 780,742 [1],[2],[3] 780,742 [1],[2],[3] $ 783,544 [5],[7],[8]
Net change in unrealized gains (losses) on investments: (10,600) (13,275)  
Net realized gains (losses) on investments: $ 12,900 $ 12,600  
Interest rate 13.20% 13.20%  
Investment, Affiliated Issuer      
Total portfolio company investments $ 15,781 $ 15,781 16,240
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   16,240  
Gross Additions   0  
Gross Reductions   0  
Amount of Realized Gain (Loss)   0  
Amount of Unrealized Gain (Loss)   (459)  
Amount of Interest or Dividends Credited to Income   0  
Ending balance 15,781 15,781 16,240
Investment, Identifier [Axis]: Activehours, Inc. (d/b/a Earnin) | Preferred Stock | Equity Investments      
Total portfolio company investments 352 [3],[9] 352 [3],[9] 352 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   352 [5],[10]  
Ending balance 352 [3],[9] 352 [3],[9] 352 [5],[10]
Investment, Identifier [Axis]: Activehours, Inc. (d/b/a Earnin) | Preferred Stock | Warrant Investments      
Total portfolio company investments 1,707 [3],[9] 1,707 [3],[9] 1,707 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,707 [5],[10]  
Ending balance 1,707 [3],[9] 1,707 [3],[9] 1,707 [5],[10]
Investment, Identifier [Axis]: AirStrip Technologies, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investment, Identifier [Axis]: All Inspire Health, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 33 [3],[9] 33 [3],[9] 33 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   33 [5],[10]  
Ending balance 33 [3],[9] 33 [3],[9] 33 [5],[10]
Investment, Identifier [Axis]: All Inspire Health, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 17 [3],[9] 17 [3],[9] 17 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   17 [5],[10]  
Ending balance 17 [3],[9] 17 [3],[9] 17 [5],[10]
Investment, Identifier [Axis]: Ao1 Holdings, Inc. | Growth Capital Loan      
Total portfolio company investments     $ 3,866
Basis spread on variable rate     1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   3,866  
Ending balance     $ 3,866
Outstanding principal     3,843
Investment, Identifier [Axis]: Ao1 Holdings, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 2,923 $ 2,923  
Basis spread on variable rate 1.00% 1.00%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 2,923 $ 2,923  
Outstanding principal 2,895 2,895  
Investment, Identifier [Axis]: Ao1 Holdings, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 3,545 $ 3,545  
Basis spread on variable rate 2.25% [9] 2.25% [9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 3,545 $ 3,545  
Outstanding principal 3,633 3,633  
Investment, Identifier [Axis]: Ao1 Holdings, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 93 [3],[9] 93 [3],[9] 142 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   142 [5],[10]  
Ending balance 93 [3],[9] 93 [3],[9] 142 [5],[10]
Investment, Identifier [Axis]: Ao1 Holdings, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 11 [3] 11 [3] 31 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   31 [5]  
Ending balance 11 [3] 11 [3] 31 [5]
Investment, Identifier [Axis]: Arcadia Power, Inc. | Growth Capital Loan 1      
Total portfolio company investments 3,086 3,086 2,891
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   2,891  
Ending balance $ 3,086 $ 3,086 $ 2,891
Interest rate 11.75% 11.75% 11.75%
Outstanding principal $ 2,902 $ 2,902 $ 2,902
Investment, Identifier [Axis]: Arcadia Power, Inc. | Growth Capital Loan 2      
Total portfolio company investments 7,433 7,433 7,355
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   7,355  
Ending balance $ 7,433 $ 7,433 $ 7,355
Interest rate 11.75% 11.75% 11.75%
Outstanding principal $ 7,000 $ 7,000 $ 7,000
Investment, Identifier [Axis]: Arcadia Power, Inc. | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 65 [3],[9] 65 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 65 [3],[9] 65 [3],[9]  
Investment, Identifier [Axis]: Arcadia Power, Inc. | Preferred Stock 1 | Warrant Investments      
Total portfolio company investments 21 [3] 21 [3] 45 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   45 [5]  
Ending balance 21 [3] 21 [3] 45 [5]
Investment, Identifier [Axis]: Arcadia Power, Inc. | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 23 [3],[9] 23 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 23 [3],[9] 23 [3],[9]  
Investment, Identifier [Axis]: Arcadia Power, Inc. | Preferred Stock 2 | Warrant Investments      
Total portfolio company investments 4 [3] 4 [3] 11 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   11 [5]  
Ending balance 4 [3] 4 [3] 11 [5]
Investment, Identifier [Axis]: Arcadia Power, Inc. | Preferred Stock 3 | Warrant Investments      
Total portfolio company investments 1 [3] 1 [3]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 1 [3] 1 [3]  
Investment, Identifier [Axis]: Arcadia Power, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments     54 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   54 [5],[10]  
Ending balance     54 [5],[10]
Investment, Identifier [Axis]: Athletic Greens International, Inc. | Ordinary Shares | Warrant Investments      
Total portfolio company investments 84 [3],[9] 84 [3],[9] 84 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   84 [5],[10]  
Ending balance 84 [3],[9] 84 [3],[9] 84 [5],[10]
Investment, Identifier [Axis]: AvantStay, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 188 [3],[9] 188 [3],[9] 188 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   188 [5]  
Ending balance 188 [3],[9] 188 [3],[9] 188 [5]
Investment, Identifier [Axis]: Baby Generation, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 25 [3],[9] 25 [3],[9] 25 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   25 [5],[10]  
Ending balance 25 [3],[9] 25 [3],[9] 25 [5],[10]
Investment, Identifier [Axis]: Belong Home, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 29 [3],[9] 29 [3],[9] 29 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   29 [5],[10]  
Ending balance 29 [3],[9] 29 [3],[9] 29 [5],[10]
Investment, Identifier [Axis]: Belong Home, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 15 [3],[9] 15 [3],[9] 15 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   15 [5],[10]  
Ending balance 15 [3],[9] 15 [3],[9] 15 [5],[10]
Investment, Identifier [Axis]: Bestow Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 28 [3] 28 [3]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 28 [3] 28 [3]  
Investment, Identifier [Axis]: Bestow Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 9,077 $ 9,077 $ 9,041
Basis spread on variable rate 2.25% 2.25% 2.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 9,041  
Ending balance $ 9,077 9,077 $ 9,041
Outstanding principal 9,000 9,000 9,000
Investment, Identifier [Axis]: Bestow Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 22,185 $ 22,185 $ 22,099
Basis spread on variable rate 3.15% 3.15% 3.15%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 22,099  
Ending balance $ 22,185 22,185 $ 22,099
Outstanding principal 22,000 22,000 22,000
Investment, Identifier [Axis]: Bestow Inc. | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 62 [3],[9] 62 [3],[9] 59 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   59 [5],[10]  
Ending balance 62 [3],[9] 62 [3],[9] 59 [5],[10]
Investment, Identifier [Axis]: Bestow Inc. | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 9 [3],[9] 9 [3],[9] 9 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   9 [5],[10]  
Ending balance 9 [3],[9] 9 [3],[9] 9 [5],[10]
Investment, Identifier [Axis]: Bestow Inc. | Preferred Stock 3 | Equity Investments      
Total portfolio company investments 336 [3],[9] 336 [3],[9] 315 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   315 [5],[10]  
Ending balance 336 [3],[9] 336 [3],[9] 315 [5],[10]
Investment, Identifier [Axis]: Bestow Inc. | Preferred Stock 4 | Equity Investments      
Total portfolio company investments 115 [3],[9] 115 [3],[9] 107 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   107 [5],[10]  
Ending balance 115 [3],[9] 115 [3],[9] 107 [5],[10]
Investment, Identifier [Axis]: Bestow Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments     25 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   25 [5]  
Ending balance     25 [5]
Investment, Identifier [Axis]: Better Life Health, Inc. (fka. Thirty Madison Inc..) | Common Stock | Equity Investments      
Total portfolio company investments 651 [3],[9] 651 [3],[9] 651 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   651 [5],[10]  
Ending balance 651 [3],[9] 651 [3],[9] 651 [5],[10]
Investment, Identifier [Axis]: Better Life Health, Inc. (fka. Thirty Madison Inc..) | Common Stock | Warrant Investments      
Total portfolio company investments 276 [3],[9] 276 [3],[9] 276 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   276 [5]  
Ending balance 276 [3],[9] 276 [3],[9] 276 [5]
Investment, Identifier [Axis]: Bidgely Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 42 [3],[9] 42 [3],[9] 23 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   23 [5],[10]  
Ending balance 42 [3],[9] 42 [3],[9] 23 [5],[10]
Investment, Identifier [Axis]: Bitonic Technology Labs, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 49 [3] 49 [3] 49 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   49 [5],[10]  
Ending balance 49 [3] 49 [3] 49 [5],[10]
Investment, Identifier [Axis]: Bitonic Technology Labs, Inc. | Growth Capital Loan      
Total portfolio company investments     $ 11,194
Basis spread on variable rate     3.25% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   11,194  
Ending balance     $ 11,194
Outstanding principal     11,250
Investment, Identifier [Axis]: Bitonic Technology Labs, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 11,253 $ 11,253  
Basis spread on variable rate 3.25% 3.25%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 11,253 $ 11,253  
Outstanding principal 11,250 11,250  
Investment, Identifier [Axis]: Bitonic Technology Labs, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 3,730 $ 3,730  
Basis spread on variable rate 3.50% [9] 3.50% [9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 3,730 $ 3,730  
Outstanding principal 3,750 3,750  
Investment, Identifier [Axis]: Branch Messenger, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 250 [3],[9] 250 [3],[9] 250 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   250 [5],[10]  
Ending balance 250 [3],[9] 250 [3],[9] 250 [5],[10]
Investment, Identifier [Axis]: Branch Messenger, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 72 [3] 72 [3] 72 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   72 [5],[10]  
Ending balance 72 [3] 72 [3] 72 [5],[10]
Investment, Identifier [Axis]: Branch Messenger, Inc. | Revolver      
Total portfolio company investments $ 5,073 $ 5,073 $ 5,567
Basis spread on variable rate 3.25% 3.25% 3.25% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 5,567  
Ending balance $ 5,073 5,073 $ 5,567
Outstanding principal 5,072 5,072 5,567
Investment, Identifier [Axis]: Capsule Corporation | Cash Exit Fee | Warrant Investments      
Total portfolio company investments 123 [3],[9],[11] 123 [3],[9],[11] 123 [5],[12]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   123 [5],[12]  
Ending balance 123 [3],[9],[11] 123 [3],[9],[11] 123 [5],[12]
Investment, Identifier [Axis]: Capsule Corporation | Preferred Stock | Equity Investments      
Total portfolio company investments 369 [3],[9] 369 [3],[9] 369 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   369 [5],[10]  
Ending balance 369 [3],[9] 369 [3],[9] 369 [5],[10]
Investment, Identifier [Axis]: Capsule Corporation | Preferred Stock | Warrant Investments      
Total portfolio company investments 34 [3],[9] 34 [3],[9] 34 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   34 [5]  
Ending balance 34 [3],[9] 34 [3],[9] 34 [5]
Investment, Identifier [Axis]: Cart.com, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 464 [3],[9] 464 [3],[9] 464 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   464 [5],[10]  
Ending balance 464 [3],[9] 464 [3],[9] 464 [5],[10]
Investment, Identifier [Axis]: Cart.com, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 33 [3],[9] 33 [3],[9] 33 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   33 [5],[10]  
Ending balance 33 [3],[9] 33 [3],[9] 33 [5],[10]
Investment, Identifier [Axis]: ClassPass Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments     151 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   151 [5],[10]  
Ending balance     151 [5],[10]
Investment, Identifier [Axis]: Cohesity Global, Inc. | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 925 [3],[9] 925 [3],[9] 925 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   925 [5],[10]  
Ending balance 925 [3],[9] 925 [3],[9] 925 [5],[10]
Investment, Identifier [Axis]: Cohesity Global, Inc. | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 141 [3],[9] 141 [3],[9] 141 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   141 [5],[10]  
Ending balance 141 [3],[9] 141 [3],[9] 141 [5],[10]
Investment, Identifier [Axis]: Cohesity Global, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 100 [3],[9] 100 [3],[9] 100 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   100 [5],[10]  
Ending balance 100 [3],[9] 100 [3],[9] 100 [5],[10]
Investment, Identifier [Axis]: Communify Group, LLC | Growth Capital Loan      
Total portfolio company investments $ 7,861 $ 7,861  
Basis spread on variable rate 7.50% [13] 7.50% [13]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 7,861 $ 7,861  
Outstanding principal 8,000 8,000  
Investment, Identifier [Axis]: Corelight, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 258 [3],[9] 258 [3],[9] 258 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   258 [5],[10]  
Ending balance 258 [3],[9] 258 [3],[9] 258 [5],[10]
Investment, Identifier [Axis]: Cresta Intelligence, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 23 [3],[9] 23 [3],[9] 23 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   23 [5],[10]  
Ending balance 23 [3],[9] 23 [3],[9] 23 [5],[10]
Investment, Identifier [Axis]: Cresta Intelligence, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 500 [3],[9] 500 [3],[9] 500 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   500 [5],[10]  
Ending balance 500 [3],[9] 500 [3],[9] 500 [5],[10]
Investment, Identifier [Axis]: Curology, Inc. | Common Stock | Equity Investments      
Total portfolio company investments 73 [3],[9] 73 [3],[9] 73 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   73 [5],[10]  
Ending balance 73 [3],[9] 73 [3],[9] 73 [5],[10]
Investment, Identifier [Axis]: Curology, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 145 [3],[9] 145 [3],[9] 145 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   145 [5],[10]  
Ending balance 145 [3],[9] 145 [3],[9] 145 [5],[10]
Investment, Identifier [Axis]: Curology, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 21 [3],[9] 21 [3],[9] 21 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   21 [5],[10]  
Ending balance 21 [3],[9] 21 [3],[9] 21 [5],[10]
Investment, Identifier [Axis]: DialPad, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 107 [3],[9] 107 [3],[9] 107 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   107 [5],[10]  
Ending balance 107 [3],[9] 107 [3],[9] 107 [5],[10]
Investment, Identifier [Axis]: DialPad, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 23 [3],[9] 23 [3],[9] 23 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   23 [5],[10]  
Ending balance 23 [3],[9] 23 [3],[9] 23 [5],[10]
Investment, Identifier [Axis]: Don't Run Out, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 13 [3],[9] 13 [3],[9] 13 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   13 [5]  
Ending balance 13 [3],[9] 13 [3],[9] 13 [5]
Investment, Identifier [Axis]: Encharge AI, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 18 [3],[9] 18 [3],[9] 18 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   18 [5],[10]  
Ending balance 18 [3],[9] 18 [3],[9] 18 [5],[10]
Investment, Identifier [Axis]: Envoy, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 543 [3],[9] 543 [3],[9] 543 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   543 [5],[10]  
Ending balance 543 [3],[9] 543 [3],[9] 543 [5],[10]
Investment, Identifier [Axis]: Envoy, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 176 [3],[9] 176 [3],[9] 176 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   176 [5],[10]  
Ending balance 176 [3],[9] 176 [3],[9] 176 [5],[10]
Investment, Identifier [Axis]: Equafin Corp. | Common Stock | Warrant Investments      
Total portfolio company investments     3 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   3 [5],[10]  
Ending balance     3 [5],[10]
Investment, Identifier [Axis]: Equafin Corp. | Growth Capital Loan      
Total portfolio company investments     $ 123
Basis spread on variable rate     1.25% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   123  
Ending balance     $ 123
Outstanding principal     123
Investment, Identifier [Axis]: Eridu Corporation | Growth Capital Loan      
Total portfolio company investments $ 994 $ 994 $ 979
Basis spread on variable rate 3.50% 3.50% 3.50% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 979  
Ending balance $ 994 994 $ 979
Outstanding principal 1,000 1,000 1,000
Investment, Identifier [Axis]: Eridu Corporation | Preferred Stock | Equity Investments      
Total portfolio company investments 50 [3],[9] 50 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 50 [3],[9] 50 [3],[9]  
Investment, Identifier [Axis]: Eridu Corporation | Preferred Stock | Warrant Investments      
Total portfolio company investments 43 [3] 43 [3] 11 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   11 [5],[10]  
Ending balance 43 [3] 43 [3] 11 [5],[10]
Investment, Identifier [Axis]: Etched.AI, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 99 [3] 99 [3] 42 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   42 [5]  
Ending balance 99 [3] 99 [3] 42 [5]
Investment, Identifier [Axis]: Etched.AI, Inc. | Revolver      
Total portfolio company investments $ 4,000 $ 4,000 $ 4,500
Basis spread on variable rate 4.00% 4.00% 4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 4,500  
Ending balance $ 4,000 4,000 $ 4,500
Outstanding principal 4,000 4,000 4,500
Investment, Identifier [Axis]: FabFitFun, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 384 [3] 384 [3] 701 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   701 [5]  
Ending balance 384 [3] 384 [3] 701 [5]
Investment, Identifier [Axis]: FabFitFun, Inc. | Growth Capital Loan      
Total portfolio company investments $ 10,279 $ 10,279 $ 9,730
Basis spread on variable rate 7.00% 7.00% 7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 9,730  
Ending balance $ 10,279 10,279 $ 9,730
Outstanding principal 10,150 10,150 10,150
Investment, Identifier [Axis]: FabFitFun, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 406 [3],[9] 406 [3],[9] 454 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   454 [5],[10]  
Ending balance 406 [3],[9] 406 [3],[9] 454 [5],[10]
Investment, Identifier [Axis]: FabFitFun, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 93 [3],[9] 93 [3],[9] 232 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   232 [5],[10]  
Ending balance 93 [3],[9] 93 [3],[9] 232 [5],[10]
Investment, Identifier [Axis]: Fabletics, Inc. | Growth Capital Loan      
Total portfolio company investments $ 4,050 $ 4,050 $ 3,819
PIK interest 9.00% [9] 9.00% [9] 9.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,819  
Ending balance $ 4,050 4,050 $ 3,819
Outstanding principal 4,311 4,311 4,121
Investment, Identifier [Axis]: Farmer's Business Network, Inc. | Common Stock | Equity Investments      
Total portfolio company investments 12 [3],[9] 12 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 12 [3],[9] 12 [3],[9]  
Investment, Identifier [Axis]: Farmer's Business Network, Inc. | Preferred Stock 1 | Equity Investments      
Total portfolio company investments     13 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   13 [5],[10]  
Ending balance     13 [5],[10]
Investment, Identifier [Axis]: Farmer's Business Network, Inc. | Preferred Stock 2 | Equity Investments      
Total portfolio company investments     12 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   12 [5],[10]  
Ending balance     12 [5],[10]
Investment, Identifier [Axis]: Farmer's Business Network, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 13 [3],[9] 13 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 13 [3],[9] 13 [3],[9]  
Investment, Identifier [Axis]: Farmer's Business Network, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 24 [3],[9] 24 [3],[9] 24 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   24 [5],[10]  
Ending balance 24 [3],[9] 24 [3],[9] 24 [5],[10]
Investment, Identifier [Axis]: Filevine, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 737 [3],[9] 737 [3],[9] 737 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   737 [5],[10]  
Ending balance 737 [3],[9] 737 [3],[9] 737 [5],[10]
Investment, Identifier [Axis]: Filevine, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 1,716 [3],[9] 1,716 [3],[9] 1,716 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,716 [5],[10]  
Ending balance 1,716 [3],[9] 1,716 [3],[9] 1,716 [5],[10]
Investment, Identifier [Axis]: FitOn Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 96 [3] 96 [3] 156 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   156 [5],[10]  
Ending balance 96 [3] 96 [3] 156 [5],[10]
Investment, Identifier [Axis]: Fiton Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 8,921 $ 8,921 $ 8,860
Basis spread on variable rate 4.00% 4.00% 4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 8,860  
Ending balance $ 8,921 8,921 $ 8,860
Outstanding principal 8,889 8,889 8,888
Investment, Identifier [Axis]: Fiton Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 1,114 $ 1,114 $ 1,107
Basis spread on variable rate 4.00% 4.00% 4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,107  
Ending balance $ 1,114 1,114 $ 1,107
Outstanding principal 1,111 1,111 1,111
Investment, Identifier [Axis]: Fiton Inc. | Growth Capital Loan 3      
Total portfolio company investments $ 999 $ 999 $ 993
Basis spread on variable rate 4.00% 4.00% 4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 993  
Ending balance $ 999 999 $ 993
Outstanding principal 1,000 1,000 1,000
Investment, Identifier [Axis]: FlashParking, Inc. | Growth Capital Loan      
Total portfolio company investments $ 20,922 $ 20,922 $ 20,600
Basis spread on variable rate 1.75% 1.75% 1.75%
PIK interest 2.50% 2.50% 2.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 20,600  
Ending balance $ 20,922 20,922 $ 20,600
Outstanding principal 21,046 21,046 20,784
Investment, Identifier [Axis]: FlashParking, Inc. | Preferred Stock 1 | Warrant Investments      
Total portfolio company investments 705 [3] 705 [3] 1,213 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,213 [5]  
Ending balance 705 [3] 705 [3] 1,213 [5]
Investment, Identifier [Axis]: FlashParking, Inc. | Preferred Stock 2 | Warrant Investments      
Total portfolio company investments 33 [3] 33 [3] 112 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   112 [5]  
Ending balance 33 [3] 33 [3] 112 [5]
Investment, Identifier [Axis]: FlashParking, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 416 [3],[9] 416 [3],[9] 447 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   447 [5],[10]  
Ending balance 416 [3],[9] 416 [3],[9] 447 [5],[10]
Investment, Identifier [Axis]: Flink SE | Common Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10],[16],[17]  
Ending balance 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investment, Identifier [Axis]: Flink SE | Growth Capital Loan 1      
Total portfolio company investments 15,486 [14],[15] 15,486 [14],[15] $ 15,416 [16],[17]
PIK interest     4.78% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   15,416 [16],[17]  
Ending balance $ 15,486 [14],[15] $ 15,486 [14],[15] $ 15,416 [16],[17]
Interest rate 9.75% [9],[14],[15] 9.75% [9],[14],[15] 4.97% [10],[16],[17]
Outstanding principal $ 14,952 [14],[15] $ 14,952 [14],[15] $ 14,952 [16],[17]
Investment, Identifier [Axis]: Flink SE | Growth Capital Loan 2      
Total portfolio company investments 15,447 [14],[15] 15,447 [14],[15] $ 15,367 [16],[17]
PIK interest     4.78% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   15,367 [16],[17]  
Ending balance $ 15,447 [14],[15] $ 15,447 [14],[15] $ 15,367 [16],[17]
Interest rate 9.75% [9],[14],[15] 9.75% [9],[14],[15] 4.97% [10],[16],[17]
Outstanding principal $ 14,952 [14],[15] $ 14,952 [14],[15] $ 14,952 [16],[17]
Investment, Identifier [Axis]: Flo Health, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 274 [3],[9],[14],[15] 274 [3],[9],[14],[15] 274 [5],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   274 [5],[16],[17]  
Ending balance 274 [3],[9],[14],[15] 274 [3],[9],[14],[15] 274 [5],[16],[17]
Investment, Identifier [Axis]: Foodology Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 86 [3],[9],[14],[15] 86 [3],[9],[14],[15] 86 [5],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   86 [5],[16],[17]  
Ending balance 86 [3],[9],[14],[15] 86 [3],[9],[14],[15] 86 [5],[16],[17]
Investment, Identifier [Axis]: Forum Brands Holdings, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 30 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   30 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 30 [5],[10]
Investment, Identifier [Axis]: Forum Brands Holdings, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 66 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   66 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 66 [5],[10]
Investment, Identifier [Axis]: Forum Brands, LLC | Convertible Note      
Total portfolio company investments $ 2 $ 2 $ 2
PIK interest 12.00% [9] 12.00% [9] 12.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 2  
Ending balance $ 2 2 $ 2
Outstanding principal 2 2 2
Investment, Identifier [Axis]: Forum Brands, LLC | Growth Capital Loan 1      
Total portfolio company investments $ 13,696 $ 13,696 $ 13,316
PIK interest 12.00% [9] 12.00% [9] 12.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 13,316  
Ending balance $ 13,696 13,696 $ 13,316
Outstanding principal 14,958 14,958 14,087
Investment, Identifier [Axis]: Forum Brands, LLC | Growth Capital Loan 2      
Total portfolio company investments $ 17,162 $ 17,162 $ 16,686
PIK interest 12.00% [9] 12.00% [9] 12.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 16,686  
Ending balance $ 17,162 17,162 $ 16,686
Outstanding principal 18,720 18,720 17,629
Investment, Identifier [Axis]: Forum Brands, LLC | Growth Capital Loan 3      
Total portfolio company investments $ 3,532 $ 3,532 $ 3,423
PIK interest 5.75% [9] 5.75% [9] 5.75% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,423  
Ending balance $ 3,532 3,532 $ 3,423
Outstanding principal 3,838 3,838 3,591
Investment, Identifier [Axis]: Forum Brands, LLC | Growth Capital Loan 4      
Total portfolio company investments $ 2,392 $ 2,392 $ 2,175
PIK interest 12.00% [9] 12.00% [9] 12.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 2,175  
Ending balance $ 2,392 2,392 $ 2,175
Outstanding principal 2,612 2,612 2,460
Investment, Identifier [Axis]: Found Health, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 16 [3],[9] 16 [3],[9] 16 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   16 [5],[10]  
Ending balance 16 [3],[9] 16 [3],[9] 16 [5],[10]
Investment, Identifier [Axis]: Freed, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 0 [3],[9] 0 [3],[9]  
Investment, Identifier [Axis]: Frubana Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 35 [14],[15],[18] $ 35 [14],[15],[18] $ 42 [16],[17],[19]
Basis spread on variable rate 6.25% [9],[14],[15],[18] 6.25% [9],[14],[15],[18] 6.25% [10],[16],[17],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 42 [16],[17],[19]  
Ending balance $ 35 [14],[15],[18] 35 [14],[15],[18] $ 42 [16],[17],[19]
Outstanding principal 105 [14],[15],[18] 105 [14],[15],[18] 116 [16],[17],[19]
Investment, Identifier [Axis]: Frubana Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 894 [14],[15],[18] $ 894 [14],[15],[18] $ 1,063 [16],[17],[19]
Basis spread on variable rate 8.00% [9],[14],[15],[18] 8.00% [9],[14],[15],[18] 8.00% [10],[16],[17],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,063 [16],[17],[19]  
Ending balance $ 894 [14],[15],[18] 894 [14],[15],[18] $ 1,063 [16],[17],[19]
Outstanding principal 2,675 [14],[15],[18] 2,675 [14],[15],[18] 2,948 [16],[17],[19]
Investment, Identifier [Axis]: Frubana Inc. | Growth Capital Loan 3      
Total portfolio company investments $ 2,428 [14],[15],[18] $ 2,428 [14],[15],[18] $ 2,886 [16],[17],[19]
Basis spread on variable rate 8.00% [9],[14],[15],[18] 8.00% [9],[14],[15],[18] 8.00% [10],[16],[17],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 2,886 [16],[17],[19]  
Ending balance $ 2,428 [14],[15],[18] 2,428 [14],[15],[18] $ 2,886 [16],[17],[19]
Outstanding principal 7,259 [14],[15],[18] 7,259 [14],[15],[18] 8,000 [16],[17],[19]
Investment, Identifier [Axis]: Frubana Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10],[16],[17]  
Ending balance 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investment, Identifier [Axis]: Frubana Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10],[16],[17]  
Ending balance 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investment, Identifier [Axis]: Grey Orange International Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 121 [3],[9] 121 [3],[9] 121 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   121 [5],[10]  
Ending balance 121 [3],[9] 121 [3],[9] 121 [5],[10]
Investment, Identifier [Axis]: Grove Collaborative, Inc. | Common Stock 1 | Warrant Investments      
Total portfolio company investments     0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance     0 [5],[10]
Investment, Identifier [Axis]: Grove Collaborative, Inc. | Common Stock 2 | Warrant Investments      
Total portfolio company investments     0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance     0 [5],[10]
Investment, Identifier [Axis]: Grove Collaborative, Inc. | Common Stock | Equity Investments      
Total portfolio company investments 39 [3],[9],[20] 39 [3],[9],[20] 35 [5],[10],[21]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   35 [5],[10],[21]  
Ending balance 39 [3],[9],[20] 39 [3],[9],[20] 35 [5],[10],[21]
Investment, Identifier [Axis]: Grove Collaborative, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 0 [3],[9] 0 [3],[9]  
Investment, Identifier [Axis]: GrubMarket, Inc. | Common Stock | Equity Investments      
Total portfolio company investments     13,454 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   13,454 [5],[10]  
Ending balance     13,454 [5],[10]
Investment, Identifier [Axis]: GrubMarket, Inc. | Common Stock | Equity Investments |      
Total portfolio company investments 13,454 [3],[9] 13,454 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 13,454 [3],[9] 13,454 [3],[9]  
Investment, Identifier [Axis]: Haus Analytics Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 2 [3] 2 [3]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 2 [3] 2 [3]  
Investment, Identifier [Axis]: Haus Analytics Inc. | Growth Capital Loan      
Total portfolio company investments $ 82 $ 82  
Basis spread on variable rate 3.00% 3.00%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 82 $ 82  
Outstanding principal 83 83  
Investment, Identifier [Axis]: HomeLight, Inc. | Preferred Stock 1 | Warrant Investments      
Total portfolio company investments 186 [3],[9] 186 [3],[9] 186 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   186 [5],[10]  
Ending balance 186 [3],[9] 186 [3],[9] 186 [5],[10]
Investment, Identifier [Axis]: HomeLight, Inc. | Preferred Stock 2 | Warrant Investments      
Total portfolio company investments 139 [3],[9] 139 [3],[9] 139 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   139 [5],[10]  
Ending balance 139 [3],[9] 139 [3],[9] 139 [5],[10]
Investment, Identifier [Axis]: Homeward, Inc. | Growth Capital Loan      
Total portfolio company investments     $ 8,389
Basis spread on variable rate     19.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   8,389  
Ending balance     $ 8,389
Outstanding principal     7,633
Investment, Identifier [Axis]: Homeward, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 874 [3],[9] 874 [3],[9] 788 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   788 [5]  
Ending balance 874 [3],[9] 874 [3],[9] 788 [5]
Investment, Identifier [Axis]: Hover Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 16,312 $ 16,312 $ 16,170
Basis spread on variable rate 3.00% 3.00% 3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 16,170  
Ending balance $ 16,312 16,312 $ 16,170
Outstanding principal 16,000 16,000 16,000
Investment, Identifier [Axis]: Hover Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 1,977 $ 1,977 $ 1,958
Basis spread on variable rate 3.00% 3.00% 3.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,958  
Ending balance $ 1,977 1,977 $ 1,958
Outstanding principal 2,000 2,000 2,000
Investment, Identifier [Axis]: Hover Inc. | Growth Capital Loan 3      
Total portfolio company investments $ 1,961 $ 1,961  
Basis spread on variable rate 3.00% 3.00%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 1,961 $ 1,961  
Outstanding principal 2,000 2,000  
Investment, Identifier [Axis]: Hover Inc. | Growth Capital Loan 4      
Total portfolio company investments $ 1,568 $ 1,568  
Basis spread on variable rate 3.00% 3.00%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 1,568 $ 1,568  
Outstanding principal 1,600 1,600  
Investment, Identifier [Axis]: Hover Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 261 [3],[9] 261 [3],[9] 261 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   261 [5],[10]  
Ending balance 261 [3],[9] 261 [3],[9] 261 [5],[10]
Investment, Identifier [Axis]: Hover Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 425 [3] 425 [3] 366 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   366 [5]  
Ending balance 425 [3] 425 [3] 366 [5]
Investment, Identifier [Axis]: Hydrow, Inc. | Common Stock | Equity Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investment, Identifier [Axis]: Hydrow, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 0 [3] 0 [3] 0 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5]  
Ending balance 0 [3] 0 [3] 0 [5]
Investment, Identifier [Axis]: Hydrow, Inc. | Growth Capital Loan      
Total portfolio company investments $ 13,914 $ 13,914 $ 14,682
Basis spread on variable rate 3.50% 3.50% 3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 14,682  
Ending balance $ 13,914 13,914 $ 14,682
Outstanding principal 16,657 16,657 16,657
Investment, Identifier [Axis]: Hydrow, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3] 0 [3] 0 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5]  
Ending balance 0 [3] 0 [3] 0 [5]
Investment, Identifier [Axis]: Hydrow, Inc. | Revolver      
Total portfolio company investments $ 7,478 $ 7,478 $ 8,034
Basis spread on variable rate 2.00% [9] 2.00% [9] 2.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 8,034  
Ending balance $ 7,478 7,478 $ 8,034
Outstanding principal 8,725 8,725 8,889
Investment, Identifier [Axis]: InMobi Pte Ltd. | Ordinary Shares | Warrant Investments      
Total portfolio company investments     13 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   13 [5],[10],[16],[17]  
Ending balance     13 [5],[10],[16],[17]
Investment, Identifier [Axis]: Incode Technologies, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 1,692 [3] 1,692 [3]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 1,692 [3] 1,692 [3]  
Investment, Identifier [Axis]: Incode Technologies, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 11,174 $ 11,174  
Basis spread on variable rate 5.50% 5.50%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 11,174 $ 11,174  
Outstanding principal 11,500 11,500  
Investment, Identifier [Axis]: Incode Technologies, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 11,143 $ 11,143  
Basis spread on variable rate 5.50% [9] 5.50% [9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 11,143 $ 11,143  
Outstanding principal 11,500 11,500  
Investment, Identifier [Axis]: Incode Technologies, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments     203 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   203 [5],[10]  
Ending balance     203 [5],[10]
Investment, Identifier [Axis]: Infinite Athlete, Inc. (f/k/a Tempus Ex Machina, Inc.) | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 0 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5]  
Ending balance 0 [3],[9] 0 [3],[9] 0 [5]
Investment, Identifier [Axis]: Inspirato, Inc. | Common Stock | Equity Investments      
Total portfolio company investments 26 [3],[9],[20],[22] 26 [3],[9],[20],[22] 25 [5],[10],[21],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   25 [5],[10],[21],[23]  
Ending balance 26 [3],[9],[20],[22] 26 [3],[9],[20],[22] 25 [5],[10],[21],[23]
Investment, Identifier [Axis]: JOKR S.à r.l. | Common Stock | Equity Investments      
Total portfolio company investments 1 [3],[9] 1 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 1 [3],[9] 1 [3],[9]  
Investment, Identifier [Axis]: JOKR S.à r.l. | Growth Capital Loan 1      
Total portfolio company investments $ 2,944 [14],[15] $ 2,944 [14],[15] $ 3,001 [16],[17]
PIK interest 5.80% [9],[14],[15] 5.80% [9],[14],[15] 5.80% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,001 [16],[17]  
Ending balance $ 2,944 [14],[15] $ 2,944 [14],[15] $ 3,001 [16],[17]
Interest rate 8.70% [9],[14],[15] 8.70% [9],[14],[15] 8.70% [10],[16],[17]
Outstanding principal $ 3,169 [14],[15] $ 3,169 [14],[15] $ 3,078 [16],[17]
Investment, Identifier [Axis]: JOKR S.à r.l. | Growth Capital Loan 2      
Total portfolio company investments $ 1,153 [14],[15] $ 1,153 [14],[15] $ 1,175 [16],[17]
PIK interest 7.30% [9],[14],[15] 7.30% [9],[14],[15] 7.30% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,175 [16],[17]  
Ending balance $ 1,153 [14],[15] $ 1,153 [14],[15] $ 1,175 [16],[17]
Interest rate 10.95% [9],[14],[15] 10.95% [9],[14],[15] 10.95% [10],[16],[17]
Outstanding principal $ 1,243 [14],[15] $ 1,243 [14],[15] $ 1,199 [16],[17]
Investment, Identifier [Axis]: JOKR S.à r.l. | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 57 [3],[9],[14],[15] 57 [3],[9],[14],[15] 63 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   63 [5],[10],[16],[17]  
Ending balance 57 [3],[9],[14],[15] 57 [3],[9],[14],[15] 63 [5],[10],[16],[17]
Investment, Identifier [Axis]: JOKR S.à r.l. | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 11 [3],[9] 11 [3],[9] 13 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   13 [5],[10],[16],[17]  
Ending balance 11 [3],[9] 11 [3],[9] 13 [5],[10],[16],[17]
Investment, Identifier [Axis]: JOKR S.à r.l. | Preferred Stock 3 | Equity Investments      
Total portfolio company investments 752 [3],[9] 752 [3],[9] 1 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1 [5],[10],[16],[17]  
Ending balance 752 [3],[9] 752 [3],[9] 1 [5],[10],[16],[17]
Investment, Identifier [Axis]: JOKR S.à r.l. | Preferred Stock 4 | Equity Investments      
Total portfolio company investments     827 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   827 [5],[10],[16],[17]  
Ending balance     827 [5],[10],[16],[17]
Investment, Identifier [Axis]: JOKR S.à r.l. | Preferred Stock | Warrant Investments      
Total portfolio company investments 47 [3],[9],[14],[15] 47 [3],[9],[14],[15]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 47 [3],[9],[14],[15] 47 [3],[9],[14],[15]  
Investment, Identifier [Axis]: JOKR S.à r.l. | Revolver      
Total portfolio company investments $ 531 [14],[15] $ 531 [14],[15] $ 536 [16],[17]
Basis spread on variable rate 5.75% [9],[14],[15] 5.75% [9],[14],[15] 5.75% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 536 [16],[17]  
Ending balance $ 531 [14],[15] 531 [14],[15] $ 536 [16],[17]
Outstanding principal 529 [14],[15] 529 [14],[15] 529 [16],[17]
Investment, Identifier [Axis]: Jerry Services, Inc. | Growth Capital Loan      
Total portfolio company investments 20,267 20,267 20,262
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   20,262  
Ending balance $ 20,267 $ 20,267 $ 20,262
Interest rate 10.50% 10.50% 10.50%
Outstanding principal $ 20,000 $ 20,000 $ 20,000
Investment, Identifier [Axis]: Jerry Services, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 128 [3],[9] 128 [3],[9] 128 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   128 [5],[10]  
Ending balance 128 [3],[9] 128 [3],[9] 128 [5],[10]
Investment, Identifier [Axis]: Jerry Services, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 291 [3] 291 [3] 291 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   291 [5]  
Ending balance 291 [3] 291 [3] 291 [5]
Investment, Identifier [Axis]: K Health, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 169 [3],[9] 169 [3],[9] 169 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   169 [5],[10]  
Ending balance 169 [3],[9] 169 [3],[9] 169 [5],[10]
Investment, Identifier [Axis]: K Health, Inc. | Growth Capital Loan      
Total portfolio company investments $ 455 $ 455 $ 1,706
Basis spread on variable rate 2.25% [9] 2.25% [9] 2.25% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,706  
Ending balance $ 455 455 $ 1,706
Outstanding principal 221 221 1,510
Investment, Identifier [Axis]: Kalderos, Inc. | Growth Capital Loan      
Total portfolio company investments     $ 13,081
Basis spread on variable rate     3.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   13,081  
Ending balance     $ 13,081
Outstanding principal     13,000
Investment, Identifier [Axis]: Kalderos, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 275 [3],[9] 275 [3],[9] 275 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   275 [5],[10]  
Ending balance 275 [3],[9] 275 [3],[9] 275 [5],[10]
Investment, Identifier [Axis]: Kalderos, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments     180 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   180 [5]  
Ending balance     180 [5]
Investment, Identifier [Axis]: LeoLabs, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 227 [3],[9] 227 [3],[9] 227 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   227 [5],[10]  
Ending balance 227 [3],[9] 227 [3],[9] 227 [5],[10]
Investment, Identifier [Axis]: Lively, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 33 [3] 33 [3] 124 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   124 [5],[10]  
Ending balance 33 [3] 33 [3] 124 [5],[10]
Investment, Identifier [Axis]: Lively, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 3,204 $ 3,204 $ 3,189
Basis spread on variable rate 3.25% 3.25% 3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,189  
Ending balance $ 3,204 3,204 $ 3,189
Outstanding principal 3,250 3,250 3,250
Investment, Identifier [Axis]: Lively, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 3,204 $ 3,204 $ 3,189
Basis spread on variable rate 3.25% 3.25% 3.25% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,189  
Ending balance $ 3,204 3,204 $ 3,189
Outstanding principal 3,250 3,250 3,250
Investment, Identifier [Axis]: Lively, Inc. | Growth Capital Loan 3      
Total portfolio company investments $ 3,204 $ 3,204 $ 3,189
Basis spread on variable rate 3.25% 3.25% 3.25% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,189  
Ending balance $ 3,204 3,204 $ 3,189
Outstanding principal 3,250 3,250 3,250
Investment, Identifier [Axis]: Loft Orbital Solutions Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 344 [3],[9] 344 [3],[9] 344 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   344 [5]  
Ending balance 344 [3],[9] 344 [3],[9] 344 [5]
Investment, Identifier [Axis]: LovePop, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 128 [3],[9] 128 [3],[9] 128 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   128 [5],[10]  
Ending balance 128 [3],[9] 128 [3],[9] 128 [5],[10]
Investment, Identifier [Axis]: Lower Holding Company | Preferred Stock | Warrant Investments      
Total portfolio company investments 24 [3],[9] 24 [3],[9] 24 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   24 [5]  
Ending balance 24 [3],[9] 24 [3],[9] 24 [5]
Investment, Identifier [Axis]: Luminary Roli Limited | Growth Capital Loan      
Total portfolio company investments 4,916 [3],[9],[14],[15] 4,916 [3],[9],[14],[15] 9,990 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   9,990 [5],[10],[16],[17]  
Ending balance 4,916 [3],[9],[14],[15] 4,916 [3],[9],[14],[15] 9,990 [5],[10],[16],[17]
Outstanding principal 35,492 [3],[9],[14],[15] 35,492 [3],[9],[14],[15] 35,492 [5],[10],[16],[17]
Investment, Identifier [Axis]: Luminary Roli Limited | Ordinary Shares | Equity Investments      
Total portfolio company investments 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10],[16],[17]  
Ending balance 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investment, Identifier [Axis]: MA Micro Limited | Convertible Note      
Total portfolio company investments 1,102 [3],[9],[14],[15] 1,102 [3],[9],[14],[15] 1,134 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,134 [5],[10],[16],[17]  
Ending balance 1,102 [3],[9],[14],[15] 1,102 [3],[9],[14],[15] 1,134 [5],[10],[16],[17]
Outstanding principal 4,166 [3],[9],[14],[15] 4,166 [3],[9],[14],[15] 4,166 [5],[10],[16],[17]
Investment, Identifier [Axis]: MA Micro Limited | Growth Capital Loan 1      
Total portfolio company investments 836 [3],[9],[14],[15] 836 [3],[9],[14],[15] 860 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   860 [5],[10],[16],[17]  
Ending balance 836 [3],[9],[14],[15] 836 [3],[9],[14],[15] 860 [5],[10],[16],[17]
Outstanding principal 4,166 [3],[9],[14],[15] 4,166 [3],[9],[14],[15] 4,166 [5],[10],[16],[17]
Investment, Identifier [Axis]: MA Micro Limited | Growth Capital Loan 2      
Total portfolio company investments 245 [3],[9],[14],[15] 245 [3],[9],[14],[15] 253 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   253 [5],[10],[16],[17]  
Ending balance 245 [3],[9],[14],[15] 245 [3],[9],[14],[15] 253 [5],[10],[16],[17]
Outstanding principal 1,389 [3],[9],[14],[15] 1,389 [3],[9],[14],[15] 1,389 [5],[10],[16],[17]
Investment, Identifier [Axis]: MXP Prime GmbH | Common Stock | Equity Investments      
Total portfolio company investments 13 [3],[9],[14],[15] 13 [3],[9],[14],[15] 13 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   13 [5],[10],[16],[17]  
Ending balance 13 [3],[9],[14],[15] 13 [3],[9],[14],[15] 13 [5],[10],[16],[17]
Investment, Identifier [Axis]: MXP Prime GmbH | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 138 [3],[9] 138 [3],[9] 142 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   142 [5],[10],[16],[17]  
Ending balance 138 [3],[9] 138 [3],[9] 142 [5],[10],[16],[17]
Investment, Identifier [Axis]: MXP Prime GmbH | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 52 [3],[9] 52 [3],[9] 54 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   54 [5],[10],[16],[17]  
Ending balance 52 [3],[9] 52 [3],[9] 54 [5],[10],[16],[17]
Investment, Identifier [Axis]: McN Investments Ltd. | Preferred Stock | Equity Investments      
Total portfolio company investments 209 [3],[9],[14],[15] 209 [3],[9],[14],[15] 209 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   209 [5],[10],[16],[17]  
Ending balance 209 [3],[9],[14],[15] 209 [3],[9],[14],[15] 209 [5],[10],[16],[17]
Investment, Identifier [Axis]: McN Investments Ltd. | Preferred Stock | Warrant Investments      
Total portfolio company investments 116 [3],[9],[14],[15] 116 [3],[9],[14],[15] 116 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   116 [5],[10],[16],[17]  
Ending balance 116 [3],[9],[14],[15] 116 [3],[9],[14],[15] 116 [5],[10],[16],[17]
Investment, Identifier [Axis]: Merama Inc. | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 152 [3],[9] 152 [3],[9] 152 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   152 [5],[10]  
Ending balance 152 [3],[9] 152 [3],[9] 152 [5],[10]
Investment, Identifier [Axis]: Merama Inc. | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 136 [3],[9] 136 [3],[9] 136 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   136 [5],[10]  
Ending balance 136 [3],[9] 136 [3],[9] 136 [5],[10]
Investment, Identifier [Axis]: Merama Inc. | Preferred Stock 3 | Equity Investments      
Total portfolio company investments 140 [3],[9] 140 [3],[9] 140 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   140 [5],[10]  
Ending balance 140 [3],[9] 140 [3],[9] 140 [5],[10]
Investment, Identifier [Axis]: Merama Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 1,100 [3],[9] 1,100 [3],[9] 1,100 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,100 [5],[10]  
Ending balance 1,100 [3],[9] 1,100 [3],[9] 1,100 [5],[10]
Investment, Identifier [Axis]: Metropolis Technologies, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 1,562 [3],[9] 1,562 [3],[9] 1,039 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,039 [5],[10]  
Ending balance 1,562 [3],[9] 1,562 [3],[9] 1,039 [5],[10]
Investment, Identifier [Axis]: Mind Candy Limited | Growth Capital Loan 1      
Total portfolio company investments $ 10,758 [14],[15],[18] $ 10,758 [14],[15],[18] $ 10,758 [16],[17],[19]
PIK interest 12.00% [9],[14],[15],[18] 12.00% [9],[14],[15],[18] 12.00% [10],[16],[17],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 10,758 [16],[17],[19]  
Ending balance $ 10,758 [14],[15],[18] 10,758 [14],[15],[18] $ 10,758 [16],[17],[19]
Outstanding principal 26,240 [14],[15],[18] 26,240 [14],[15],[18] 26,240 [16],[17],[19]
Investment, Identifier [Axis]: Mind Candy Limited | Growth Capital Loan 2      
Total portfolio company investments $ 694 [14],[15],[18] $ 694 [14],[15],[18] $ 694 [16],[17],[19]
PIK interest 9.00% [9],[14],[15],[18] 9.00% [9],[14],[15],[18] 9.00% [10],[16],[17],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 694 [16],[17],[19]  
Ending balance $ 694 [14],[15],[18] 694 [14],[15],[18] $ 694 [16],[17],[19]
Outstanding principal 1,694 [14],[15],[18] 1,694 [14],[15],[18] 1,694 [16],[17],[19]
Investment, Identifier [Axis]: Mind Candy Limited | Growth Capital Loan 3      
Total portfolio company investments $ 648 [14],[15],[18] $ 648 [14],[15],[18] $ 648 [16],[17],[19]
PIK interest 9.00% [9],[14],[15],[18] 9.00% [9],[14],[15],[18] 9.00% [10],[16],[17],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 648 [16],[17],[19]  
Ending balance $ 648 [14],[15],[18] 648 [14],[15],[18] $ 648 [16],[17],[19]
Outstanding principal 1,580 [14],[15],[18] 1,580 [14],[15],[18] 1,580 [16],[17],[19]
Investment, Identifier [Axis]: Mind Candy, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10],[16],[17]  
Ending balance 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investment, Identifier [Axis]: Mind Candy, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10],[16],[17]  
Ending balance 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investment, Identifier [Axis]: Minted, Inc. | Growth Capital Loan      
Total portfolio company investments $ 18,041 $ 18,041 $ 17,944
Basis spread on variable rate 4.25% 4.25% 4.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 17,944  
Ending balance $ 18,041 18,041 $ 17,944
Outstanding principal 17,857 17,857 17,857
Investment, Identifier [Axis]: Minted, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 231 [3] 231 [3] 231 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   231 [5]  
Ending balance 231 [3] 231 [3] 231 [5]
Investment, Identifier [Axis]: Minted, Inc. | Revolver      
Total portfolio company investments $ 0 $ 0 $ 0
Basis spread on variable rate 2.50% [9] 2.50% [9] 2.50% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 0  
Ending balance $ 0 0 $ 0
Outstanding principal 0 0 0
Investment, Identifier [Axis]: Misfits Market, Inc. (f/k/a Imperfect Foods, Inc.) | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 152 [3],[9] 152 [3],[9] 152 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   152 [5],[10]  
Ending balance 152 [3],[9] 152 [3],[9] 152 [5],[10]
Investment, Identifier [Axis]: Misfits Market, Inc. (f/k/a Imperfect Foods, Inc.) | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 385 [3],[9] 385 [3],[9] 385 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   385 [5],[10]  
Ending balance 385 [3],[9] 385 [3],[9] 385 [5],[10]
Investment, Identifier [Axis]: Moda Operandi, Inc. | Growth Capital Loan      
Total portfolio company investments $ 9,587 $ 9,587 $ 9,088
Basis spread on variable rate 8.00% [9] 8.00% [9] 8.00% [10]
PIK interest 6.00% [9] 6.00% [9] 6.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 9,088  
Ending balance $ 9,587 9,587 $ 9,088
Outstanding principal 10,411 10,411 10,102
Investment, Identifier [Axis]: Moda Operandi, Inc. | Preferred Units | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investment, Identifier [Axis]: Monzo Bank Limited | Growth Capital Loan      
Total portfolio company investments 6,952 [14],[15] 6,952 [14],[15] 6,836 [16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   6,836 [16],[17]  
Ending balance $ 6,952 [14],[15] $ 6,952 [14],[15] $ 6,836 [16],[17]
Interest rate 12.00% [9],[14],[15] 12.00% [9],[14],[15] 12.00% [10],[16],[17]
Outstanding principal $ 7,035 [14],[15] $ 7,035 [14],[15] $ 7,035 [16],[17]
Investment, Identifier [Axis]: Monzo Bank Limited | Ordinary Shares 1 | Equity Investments      
Total portfolio company investments 2,329 [3],[9],[14],[15] 2,329 [3],[9],[14],[15] 2,104 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   2,104 [5],[10],[16],[17]  
Ending balance 2,329 [3],[9],[14],[15] 2,329 [3],[9],[14],[15] 2,104 [5],[10],[16],[17]
Investment, Identifier [Axis]: Monzo Bank Limited | Ordinary Shares 2 | Equity Investments      
Total portfolio company investments 700 [3],[9] 700 [3],[9] 651 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   651 [5],[10],[16],[17]  
Ending balance 700 [3],[9] 700 [3],[9] 651 [5],[10],[16],[17]
Investment, Identifier [Axis]: Monzo Bank Limited | Ordinary Shares | Warrant Investments      
Total portfolio company investments 1,022 [3],[9],[14],[15] 1,022 [3],[9],[14],[15] 855 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   855 [5],[10],[16],[17]  
Ending balance 1,022 [3],[9],[14],[15] 1,022 [3],[9],[14],[15] 855 [5],[10],[16],[17]
Investment, Identifier [Axis]: Muon Space, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 1,503 $ 1,503 $ 1,975
Basis spread on variable rate 0.00% 0.00% 0.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,975  
Ending balance $ 1,503 1,503 $ 1,975
Outstanding principal 1,407 1,407 1,902
Investment, Identifier [Axis]: Muon Space, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 1,488 $ 1,488 $ 1,868
Basis spread on variable rate 0.00% 0.00% 0.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,868  
Ending balance $ 1,488 1,488 $ 1,868
Outstanding principal 1,448 1,448 1,873
Investment, Identifier [Axis]: Muon Space, Inc. | Growth Capital Loan 3      
Total portfolio company investments $ 1,190 $ 1,190 $ 1,404
Basis spread on variable rate 0.00% 0.00% 0.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,404  
Ending balance $ 1,190 1,190 $ 1,404
Outstanding principal 1,177 1,177 1,425
Investment, Identifier [Axis]: Muon Space, Inc. | Growth Capital Loan 4      
Total portfolio company investments $ 3,128 $ 3,128  
Basis spread on variable rate 0.00% 0.00%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 3,128 $ 3,128  
Outstanding principal 3,140 3,140  
Investment, Identifier [Axis]: Muon Space, Inc. | Growth Capital Loan 5      
Total portfolio company investments $ 879 $ 879  
Basis spread on variable rate 0.00% 0.00%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 879 $ 879  
Outstanding principal 893 893  
Investment, Identifier [Axis]: Muon Space, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 127 [3] 127 [3] 127 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   127 [5]  
Ending balance 127 [3] 127 [3] 127 [5]
Investment, Identifier [Axis]: N26 GmbH | Preferred Stock | Equity Investments      
Total portfolio company investments 1,530 [3],[9],[14],[15] 1,530 [3],[9],[14],[15] 1,574 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,574 [5],[10],[16],[17]  
Ending balance 1,530 [3],[9],[14],[15] 1,530 [3],[9],[14],[15] 1,574 [5],[10],[16],[17]
Investment, Identifier [Axis]: N26 GmbH | Preferred Stock | Warrant Investments      
Total portfolio company investments 130 [3],[9],[14],[15] 130 [3],[9],[14],[15] 246 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   246 [5],[10],[16],[17]  
Ending balance 130 [3],[9],[14],[15] 130 [3],[9],[14],[15] 246 [5],[10],[16],[17]
Investment, Identifier [Axis]: Nakdcom One World AB | Common Stock | Equity Investments      
Total portfolio company investments 935 [3],[9],[14],[15],[24] 935 [3],[9],[14],[15],[24] 962 [5],[10],[16],[17],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   962 [5],[10],[16],[17],[25]  
Gross Additions   0  
Gross Reductions   0  
Amount of Realized Gain (Loss)   0  
Amount of Unrealized Gain (Loss)   (27)  
Amount of Interest or Dividends Credited to Income   0  
Ending balance 935 [3],[9],[14],[15],[24] 935 [3],[9],[14],[15],[24] 962 [5],[10],[16],[17],[25]
Investment, Identifier [Axis]: Nakdcom One World AB | Growth Capital Loan      
Total portfolio company investments $ 115 [14],[15],[18],[24] $ 115 [14],[15],[18],[24] $ 119 [16],[17],[19],[25]
PIK interest 12.00% [9],[14],[15],[18],[24] 12.00% [9],[14],[15],[18],[24] 12.00% [10],[16],[17],[19],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 119 [16],[17],[19],[25]  
Gross Additions   0  
Gross Reductions   0  
Amount of Realized Gain (Loss)   0  
Amount of Unrealized Gain (Loss)   (4)  
Amount of Interest or Dividends Credited to Income   0  
Ending balance $ 115 [14],[15],[18],[24] 115 [14],[15],[18],[24] $ 119 [16],[17],[19],[25]
Outstanding principal 126 [14],[15],[18],[24] 126 [14],[15],[18],[24] 119 [16],[17],[19],[25]
Investment, Identifier [Axis]: Nakdcom One World AB | Hybrid | Equity Investments      
Total portfolio company investments 14,731 [3],[9],[14],[15],[24],[26] 14,731 [3],[9],[14],[15],[24],[26] 15,159 [5],[10],[16],[17],[25],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   15,159 [5],[10],[16],[17],[25],[27]  
Gross Additions   0  
Gross Reductions   0  
Amount of Realized Gain (Loss)   0  
Amount of Unrealized Gain (Loss)   (428)  
Amount of Interest or Dividends Credited to Income   0  
Ending balance 14,731 [3],[9],[14],[15],[24],[26] 14,731 [3],[9],[14],[15],[24],[26] 15,159 [5],[10],[16],[17],[25],[27]
Investment, Identifier [Axis]: Narvar, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 102 [3],[9] 102 [3],[9] 102 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   102 [5],[10]  
Ending balance 102 [3],[9] 102 [3],[9] 102 [5],[10]
Investment, Identifier [Axis]: Nerdy Inc. (f/k/a Varsity Tutors LLC) | Common Stock | Equity Investments      
Total portfolio company investments 56 [3],[9],[20] 56 [3],[9],[20] 63 [5],[10],[21]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   63 [5],[10],[21]  
Ending balance 56 [3],[9],[20] 56 [3],[9],[20] 63 [5],[10],[21]
Investment, Identifier [Axis]: NewStore Inc. | Growth Capital Loan      
Total portfolio company investments     2,580
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   2,580  
Ending balance     $ 2,580
Interest rate     4.00% [10]
Outstanding principal     $ 2,500
Investment, Identifier [Axis]: NewStore Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 4 [3],[9] 4 [3],[9] 4 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   4 [5],[10]  
Ending balance 4 [3],[9] 4 [3],[9] 4 [5],[10]
Investment, Identifier [Axis]: Observe, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments     324 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   324 [5]  
Ending balance     324 [5]
Investment, Identifier [Axis]: Observe, Inc. | Growth Capital Loan      
Total portfolio company investments     $ 16,061
Basis spread on variable rate     2.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   16,061  
Ending balance     $ 16,061
Outstanding principal     16,000
Investment, Identifier [Axis]: Observe, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments     272 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   272 [5],[10]  
Ending balance     272 [5],[10]
Investment, Identifier [Axis]: Ocrolus, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 81 [3] 81 [3] 81 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   81 [5]  
Ending balance 81 [3] 81 [3] 81 [5]
Investment, Identifier [Axis]: Ocrolus, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 7,341 $ 7,341 $ 7,249
Basis spread on variable rate 2.50% 2.50% 2.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 7,249  
Ending balance $ 7,341 7,341 $ 7,249
Outstanding principal 7,143 7,143 7,143
Investment, Identifier [Axis]: Ocrolus, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 2,898 $ 2,898 $ 2,860
Basis spread on variable rate 2.50% 2.50% 2.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 2,860  
Ending balance $ 2,898 2,898 $ 2,860
Outstanding principal 2,857 2,857 2,857
Investment, Identifier [Axis]: OfferUp Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 138 [3],[9] 138 [3],[9] 138 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   138 [5],[10]  
Ending balance 138 [3],[9] 138 [3],[9] 138 [5],[10]
Investment, Identifier [Axis]: Omio Corp. (f/k/a GoEuro Corp.) | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 292 [3],[9],[14],[15] 292 [3],[9],[14],[15] 292 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   292 [5],[10],[16],[17]  
Ending balance 292 [3],[9],[14],[15] 292 [3],[9],[14],[15] 292 [5],[10],[16],[17]
Investment, Identifier [Axis]: Omio Corp. (f/k/a GoEuro Corp.) | Preferred Stock 1 | Warrant Investments      
Total portfolio company investments 393 [3],[9],[14],[15] 393 [3],[9],[14],[15] 393 [5],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   393 [5],[16],[17]  
Ending balance 393 [3],[9],[14],[15] 393 [3],[9],[14],[15] 393 [5],[16],[17]
Investment, Identifier [Axis]: Omio Corp. (f/k/a GoEuro Corp.) | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 901 [3],[9],[14],[15] 901 [3],[9],[14],[15] 901 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   901 [5],[10],[16],[17]  
Ending balance 901 [3],[9],[14],[15] 901 [3],[9],[14],[15] 901 [5],[10],[16],[17]
Investment, Identifier [Axis]: Omio Corp. (f/k/a GoEuro Corp.) | Preferred Stock 2 | Warrant Investments      
Total portfolio company investments 675 [3],[9] 675 [3],[9] 675 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   675 [5]  
Ending balance 675 [3],[9] 675 [3],[9] 675 [5]
Investment, Identifier [Axis]: Omio Corp. (f/k/a GoEuro Corp.) | Preferred Stock 3 | Warrant Investments      
Total portfolio company investments 1,042 [3],[9] 1,042 [3],[9] 1,043 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,043 [5]  
Ending balance 1,042 [3],[9] 1,042 [3],[9] 1,043 [5]
Investment, Identifier [Axis]: Open Space Labs, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 4 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   4 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 4 [5],[10]
Investment, Identifier [Axis]: Outfittery GMBH | Cash Exit Fee | Warrant Investments      
Total portfolio company investments 1,318 [3],[9],[11],[14],[15] 1,318 [3],[9],[11],[14],[15] 1,401 [5],[10],[12],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,401 [5],[10],[12],[16],[17]  
Ending balance 1,318 [3],[9],[11],[14],[15] 1,318 [3],[9],[11],[14],[15] 1,401 [5],[10],[12],[16],[17]
Investment, Identifier [Axis]: Outfittery GMBH | Growth Capital Loan      
Total portfolio company investments $ 25,716 [14],[15] $ 25,716 [14],[15] $ 28,610 [16],[17]
PIK interest 5.50% [9],[14],[15] 5.50% [9],[14],[15] 11.00% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 28,610 [16],[17]  
Ending balance $ 25,716 [14],[15] $ 25,716 [14],[15] $ 28,610 [16],[17]
Interest rate 5.50% [9],[14],[15] 5.50% [9],[14],[15]  
Outstanding principal $ 31,495 [14],[15] $ 31,495 [14],[15] 30,430 [16],[17]
Investment, Identifier [Axis]: Outfittery GMBH | Revolver 1      
Total portfolio company investments $ 4,396 [14],[15] $ 4,396 [14],[15] $ 4,685 [16],[17]
PIK interest 4.50% [9],[14],[15] 4.50% [9],[14],[15] 9.00% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 4,685 [16],[17]  
Ending balance $ 4,396 [14],[15] $ 4,396 [14],[15] $ 4,685 [16],[17]
Interest rate 4.50% [9],[14],[15] 4.50% [9],[14],[15]  
Outstanding principal $ 4,821 [14],[15] $ 4,821 [14],[15] 4,687 [16],[17]
Investment, Identifier [Axis]: Outfittery GMBH | Revolver 2      
Total portfolio company investments $ 2,574 [14],[15] $ 2,574 [14],[15] $ 2,739 [16],[17]
PIK interest 4.50% [9],[14],[15] 4.50% [9],[14],[15] 9.00% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 2,739 [16],[17]  
Ending balance $ 2,574 [14],[15] $ 2,574 [14],[15] $ 2,739 [16],[17]
Interest rate 4.50% [9],[14],[15] 4.50% [9],[14],[15]  
Outstanding principal $ 2,725 [14],[15] $ 2,725 [14],[15] 2,650 [16],[17]
Investment, Identifier [Axis]: Overtime Sports, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 948 [3],[9] 948 [3],[9] 948 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   948 [5],[10]  
Ending balance 948 [3],[9] 948 [3],[9] 948 [5],[10]
Investment, Identifier [Axis]: Overtime Sports, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 51 [3],[9] 51 [3],[9] 51 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   51 [5],[10]  
Ending balance 51 [3],[9] 51 [3],[9] 51 [5],[10]
Investment, Identifier [Axis]: Pair Eyewear, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 7 [3],[9] 7 [3],[9] 7 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   7 [5],[10]  
Ending balance 7 [3],[9] 7 [3],[9] 7 [5],[10]
Investment, Identifier [Axis]: Pair Eyewear, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 10 [3],[9] 10 [3],[9] 10 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   10 [5],[10]  
Ending balance 10 [3],[9] 10 [3],[9] 10 [5],[10]
Investment, Identifier [Axis]: Pair Team, PBC | Convertible Note      
Total portfolio company investments $ 400 $ 400 $ 400
Basis spread on variable rate 6.00% [9] 6.00% [9] 6.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 400  
Ending balance $ 400 400 $ 400
Outstanding principal 400 400 400
Investment, Identifier [Axis]: Pair Team, PBC | Growth Capital Loan      
Total portfolio company investments $ 1,609 $ 1,609 $ 1,594
Basis spread on variable rate 1.00% 1.00% 1.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,594  
Ending balance $ 1,609 1,609 $ 1,594
Outstanding principal 1,600 1,600 1,600
Investment, Identifier [Axis]: Pair Team, PBC | Preferred Stock | Warrant Investments      
Total portfolio company investments 2 [3] 2 [3] 2 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   2 [5],[10]  
Ending balance 2 [3] 2 [3] 2 [5],[10]
Investment, Identifier [Axis]: Panorama Education, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 222 [3] 222 [3]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 222 [3] 222 [3]  
Investment, Identifier [Axis]: Panorama Education, Inc. | Growth Capital Loan      
Total portfolio company investments $ 9,754 $ 9,754  
Basis spread on variable rate 3.75% 3.75%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 9,754 $ 9,754  
Outstanding principal 10,000 10,000  
Investment, Identifier [Axis]: Panorama Education, Inc. | Growth Capital Loan 1      
Total portfolio company investments     $ 6,207
Basis spread on variable rate     2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   6,207  
Ending balance     $ 6,207
Outstanding principal     6,000
Investment, Identifier [Axis]: Panorama Education, Inc. | Growth Capital Loan 2      
Total portfolio company investments     $ 4,024
Basis spread on variable rate     1.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   4,024  
Ending balance     $ 4,024
Outstanding principal     4,000
Investment, Identifier [Axis]: Panorama Education, Inc. | Growth Capital Loan 3      
Total portfolio company investments     $ 1,508
Basis spread on variable rate     1.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,508  
Ending balance     $ 1,508
Outstanding principal     1,514
Investment, Identifier [Axis]: Panorama Education, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 40 [3] 40 [3] 40 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   40 [5]  
Ending balance 40 [3] 40 [3] 40 [5]
Investment, Identifier [Axis]: Panorama Education, Inc. | Revolver      
Total portfolio company investments $ 200 $ 200 $ 0
Basis spread on variable rate 2.75% [9] 2.75% [9] 1.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 0  
Ending balance $ 200 200 $ 0
Outstanding principal 200 200 0
Investment, Identifier [Axis]: Parry Labs, LLC | Growth Capital Loan      
Total portfolio company investments $ 19,713 $ 19,713 $ 19,523
Basis spread on variable rate 3.50% 3.50% 3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 19,523  
Ending balance $ 19,713 19,713 $ 19,523
Outstanding principal 19,500 19,500 19,500
Investment, Identifier [Axis]: Parry Labs, LLC | Preferred Stock | Warrant Investments      
Total portfolio company investments 138 [3] 138 [3] 81 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   81 [5]  
Ending balance 138 [3] 138 [3] 81 [5]
Investment, Identifier [Axis]: Parry Labs, LLC | Revolver      
Total portfolio company investments $ 233 $ 233 $ 233
Basis spread on variable rate 2.50% [9] 2.50% [9] 2.50% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 233  
Ending balance $ 233 233 $ 233
Outstanding principal 233 233 233
Investment, Identifier [Axis]: Passport Labs, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 590 [3],[9] 590 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 590 [3],[9] 590 [3],[9]  
Investment, Identifier [Axis]: Passport Labs, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 103 [3],[9] 103 [3],[9] 103 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   103 [5],[10]  
Ending balance 103 [3],[9] 103 [3],[9] 103 [5],[10]
Investment, Identifier [Axis]: Passport Labs, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments     590 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   590 [5],[10]  
Ending balance     590 [5],[10]
Investment, Identifier [Axis]: PlanHub, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 25,896 $ 25,896 $ 25,871
Basis spread on variable rate 7.40% [13],[28] 7.40% [13],[28] 7.40% [29],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 25,871  
Ending balance $ 25,896 25,896 $ 25,871
Outstanding principal 26,250 26,250 26,250
Investment, Identifier [Axis]: PlanHub, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 554 $ 554 $ 185
Basis spread on variable rate 5.33% [9],[13] 5.33% [9],[13] 5.33% [10],[30]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 185  
Ending balance $ 554 554 $ 185
Outstanding principal 563 563 188
Investment, Identifier [Axis]: Playlist Technologies, Inc. (fka.ClassPass Aggregator, LLC.) | Common Stock | Equity Investments      
Total portfolio company investments 207 [3],[9] 207 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 207 [3],[9] 207 [3],[9]  
Investment, Identifier [Axis]: Printful, Inc. Holdco. (fka.Printify, Inc.) | Common Stock | Equity Investments      
Total portfolio company investments 24 [3],[9] 24 [3],[9] 24 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   24 [5],[10]  
Ending balance 24 [3],[9] 24 [3],[9] 24 [5],[10]
Investment, Identifier [Axis]: Prodigy Investments Limited | Growth Capital Loan      
Total portfolio company investments $ 37,726 [14],[15] $ 37,726 [14],[15] $ 36,969 [16],[17]
PIK interest 5.98% [9],[14],[15] 5.98% [9],[14],[15] 14.28% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 36,969 [16],[17]  
Ending balance $ 37,726 [14],[15] $ 37,726 [14],[15] $ 36,969 [16],[17]
Interest rate 7.30% [9],[14],[15] 7.30% [9],[14],[15]  
Outstanding principal $ 43,935 [14],[15] $ 43,935 [14],[15] 42,336 [16],[17]
Investment, Identifier [Axis]: Prodigy Investments Limited | Ordinary Shares | Warrant Investments      
Total portfolio company investments 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10],[16],[17]  
Ending balance 0 [3],[9],[14],[15] 0 [3],[9],[14],[15] 0 [5],[10],[16],[17]
Investment, Identifier [Axis]: Prodigy Investments Limited | Preference Shares | Equity Investments      
Total portfolio company investments 4,976 [3],[9],[14],[15] 4,976 [3],[9],[14],[15] 4,976 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   4,976 [5],[10],[16],[17]  
Ending balance 4,976 [3],[9],[14],[15] 4,976 [3],[9],[14],[15] 4,976 [5],[10],[16],[17]
Investment, Identifier [Axis]: Project 1920, Inc. | Growth Capital Loan      
Total portfolio company investments $ 419 [18] $ 419 [18] $ 419 [19]
Basis spread on variable rate 6.25% [9],[18] 6.25% [9],[18] 6.25% [10],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 419 [19]  
Ending balance $ 419 [18] 419 [18] $ 419 [19]
Outstanding principal 1,927 [18] 1,927 [18] 1,927 [19]
Investment, Identifier [Axis]: Project 1920, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investment, Identifier [Axis]: Project 1920, Inc. | Revolver      
Total portfolio company investments $ 456 [18] $ 456 [18] $ 456 [19]
Basis spread on variable rate 5.75% [9],[18] 5.75% [9],[18] 5.75% [10],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 456 [19]  
Ending balance $ 456 [18] 456 [18] $ 456 [19]
Outstanding principal 2,100 [18] 2,100 [18] 2,100 [19]
Investment, Identifier [Axis]: Project Affinity, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 62 [3],[9] 62 [3],[9] 62 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   62 [5],[10]  
Ending balance 62 [3],[9] 62 [3],[9] 62 [5],[10]
Investment, Identifier [Axis]: Quantcast Corporation | Cash Exit Fee | Warrant Investments      
Total portfolio company investments 161 [3],[9],[11] 161 [3],[9],[11] 161 [5],[10],[12]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   161 [5],[10],[12]  
Ending balance 161 [3],[9],[11] 161 [3],[9],[11] 161 [5],[10],[12]
Investment, Identifier [Axis]: Quick Commerce Ltd | Growth Capital Loan 1      
Total portfolio company investments $ 8,648 [14],[15] $ 8,648 [14],[15] $ 8,597 [16],[17]
PIK interest 6.00% [9],[14],[15] 6.00% [9],[14],[15] 6.00% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 8,597 [16],[17]  
Ending balance $ 8,648 [14],[15] 8,648 [14],[15] $ 8,597 [16],[17]
Outstanding principal 12,387 [14],[15] 12,387 [14],[15] 12,020 [16],[17]
Investment, Identifier [Axis]: Quick Commerce Ltd | Growth Capital Loan 2      
Total portfolio company investments $ 825 [14],[15] $ 825 [14],[15] $ 819 [16],[17]
PIK interest 6.00% [9],[14],[15] 6.00% [9],[14],[15] 6.00% [10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 819 [16],[17]  
Ending balance $ 825 [14],[15] 825 [14],[15] $ 819 [16],[17]
Outstanding principal 1,180 [14],[15] 1,180 [14],[15] 1,145 [16],[17]
Investment, Identifier [Axis]: Quick Commerce Ltd | Ordinary Shares | Equity Investments      
Total portfolio company investments 8 [3],[9] 8 [3],[9] 102 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   102 [5],[10],[16],[17]  
Ending balance 8 [3],[9] 8 [3],[9] 102 [5],[10],[16],[17]
Investment, Identifier [Axis]: Quick Commerce Ltd | Preferred Stock | Equity Investments      
Total portfolio company investments 7,217 [3],[9],[14],[15] 7,217 [3],[9],[14],[15] 8,061 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   8,061 [5],[10],[16],[17]  
Ending balance 7,217 [3],[9],[14],[15] 7,217 [3],[9],[14],[15] 8,061 [5],[10],[16],[17]
Investment, Identifier [Axis]: Radar Labs, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 17 [3] 17 [3] 17 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   17 [5]  
Ending balance 17 [3] 17 [3] 17 [5]
Investment, Identifier [Axis]: Radar Labs, Inc. | Growth Capital Loan      
Total portfolio company investments $ 11,003 $ 11,003 $ 10,954
Basis spread on variable rate 2.15% 2.15% 2.15%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 10,954  
Ending balance $ 11,003 11,003 $ 10,954
Outstanding principal 11,000 11,000 11,000
Investment, Identifier [Axis]: Radar Labs, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 605 [3],[9] 605 [3],[9] 605 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   605 [5],[10]  
Ending balance 605 [3],[9] 605 [3],[9] 605 [5],[10]
Investment, Identifier [Axis]: Redesign Health Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 100 [3],[9] 100 [3],[9] 100 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   100 [5],[10]  
Ending balance 100 [3],[9] 100 [3],[9] 100 [5],[10]
Investment, Identifier [Axis]: Rent the Runway, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investment, Identifier [Axis]: RetailNext, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 111 [3],[9] 111 [3],[9] 111 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   111 [5],[10]  
Ending balance 111 [3],[9] 111 [3],[9] 111 [5],[10]
Investment, Identifier [Axis]: Revolut Ltd | Ordinary Shares 1 | Warrant Investments      
Total portfolio company investments 10,621 [3],[9],[14],[15] 10,621 [3],[9],[14],[15] 6,403 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   6,403 [5],[10],[16],[17]  
Ending balance 10,621 [3],[9],[14],[15] 10,621 [3],[9],[14],[15] 6,403 [5],[10],[16],[17]
Investment, Identifier [Axis]: Revolut Ltd | Ordinary Shares 2 | Warrant Investments      
Total portfolio company investments 13,082 [3],[9],[14],[15] 13,082 [3],[9],[14],[15] 7,762 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   7,762 [5],[10],[16],[17]  
Ending balance 13,082 [3],[9],[14],[15] 13,082 [3],[9],[14],[15] 7,762 [5],[10],[16],[17]
Investment, Identifier [Axis]: Revolut Ltd | Ordinary Shares | Equity Investments      
Total portfolio company investments 24,182 [3],[9],[14],[15] 24,182 [3],[9],[14],[15] 27,532 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   27,532 [5],[10],[16],[17]  
Ending balance 24,182 [3],[9],[14],[15] 24,182 [3],[9],[14],[15] 27,532 [5],[10],[16],[17]
Investment, Identifier [Axis]: Roofstock, Inc. (fka.Mynd Management, Inc. ) | Preferred Stock | Warrant Investments      
Total portfolio company investments 194 [3],[9] 194 [3],[9] 194 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   194 [5],[10]  
Ending balance 194 [3],[9] 194 [3],[9] 194 [5],[10]
Investment, Identifier [Axis]: RudderStack, Inc. | SAFE | Equity Investments      
Total portfolio company investments 200 [3],[9] 200 [3],[9] 200 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   200 [5],[10]  
Ending balance 200 [3],[9] 200 [3],[9] 200 [5],[10]
Investment, Identifier [Axis]: Rudderstack, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 68 [3],[9] 68 [3],[9] 68 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   68 [5],[10]  
Ending balance 68 [3],[9] 68 [3],[9] 68 [5],[10]
Investment, Identifier [Axis]: Sandbox VR, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 47 [3] 47 [3] 73 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   73 [5]  
Ending balance 47 [3] 47 [3] 73 [5]
Investment, Identifier [Axis]: Sandbox VR, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 1,465 $ 1,465 $ 1,974
Basis spread on variable rate 3.50% 3.50% 3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,974  
Ending balance $ 1,465 1,465 $ 1,974
Outstanding principal 1,469 1,469 2,005
Investment, Identifier [Axis]: Sandbox VR, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 9,825 $ 9,825 $ 9,747
Basis spread on variable rate 5.25% 5.25% 5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 9,747  
Ending balance $ 9,825 9,825 $ 9,747
Outstanding principal 9,900 9,900 9,900
Investment, Identifier [Axis]: Savage X, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 472 $ 472 $ 473
Basis spread on variable rate 8.25% 8.25% 8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 473  
Ending balance $ 472 472 $ 473
Outstanding principal 500 500 500
Investment, Identifier [Axis]: Savage X, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 1,818 $ 1,818 $ 1,758
Basis spread on variable rate 8.25% 8.25% 8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 1,758  
Ending balance $ 1,818 1,818 $ 1,758
Outstanding principal 2,000 2,000 2,000
Investment, Identifier [Axis]: Savage X, Inc. | Growth Capital Loan 3      
Total portfolio company investments $ 3,409 $ 3,409 $ 3,296
Basis spread on variable rate 8.25% 8.25% 8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,296  
Ending balance $ 3,409 3,409 $ 3,296
Outstanding principal 3,750 3,750 3,750
Investment, Identifier [Axis]: Savage X, Inc. | Preferred Stock 1 | Equity Investments      
Total portfolio company investments 7 [3],[9] 7 [3],[9] 17 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   17 [5],[10]  
Ending balance 7 [3],[9] 7 [3],[9] 17 [5],[10]
Investment, Identifier [Axis]: Savage X, Inc. | Preferred Stock 2 | Equity Investments      
Total portfolio company investments 5 [3],[9] 5 [3],[9] 12 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   12 [5],[10]  
Ending balance 5 [3],[9] 5 [3],[9] 12 [5],[10]
Investment, Identifier [Axis]: Savage X, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 302 [3] 302 [3] 518 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   518 [5]  
Ending balance 302 [3] 302 [3] 518 [5]
Investment, Identifier [Axis]: Signal Advisors USA, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance 0 [3],[9] 0 [3],[9] 0 [5],[10]
Investment, Identifier [Axis]: Signal Advisors USA, Inc. | Revolver      
Total portfolio company investments $ 83 $ 83 $ 33
Basis spread on variable rate 1.75% [9] 1.75% [9] 1.75% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 33  
Ending balance $ 83 83 $ 33
Outstanding principal 83 83 33
Investment, Identifier [Axis]: Signifyd, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 441 [3],[9] 441 [3],[9] 441 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   441 [5],[10]  
Ending balance 441 [3],[9] 441 [3],[9] 441 [5],[10]
Investment, Identifier [Axis]: Simpplr Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 88 [3] 88 [3] 280 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   280 [5]  
Ending balance 88 [3] 88 [3] 280 [5]
Investment, Identifier [Axis]: Simpplr Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 3,089 $ 3,089 $ 9,423
Basis spread on variable rate 2.00% 2.00% 1.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 9,423  
Ending balance $ 3,089 3,089 $ 9,423
Outstanding principal 3,125 3,125 9,375
Investment, Identifier [Axis]: Simpplr Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 12,256 $ 12,256 $ 3,063
Basis spread on variable rate 2.00% 2.00% 2.00% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,063  
Ending balance $ 12,256 12,256 $ 3,063
Outstanding principal 12,500 12,500 3,125
Investment, Identifier [Axis]: Sisense, Inc. | Cash Exit Fee | Warrant Investments      
Total portfolio company investments 465 [3],[9],[11] 465 [3],[9],[11] 465 [5],[10],[12]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   465 [5],[10],[12]  
Ending balance 465 [3],[9],[11] 465 [3],[9],[11] 465 [5],[10],[12]
Investment, Identifier [Axis]: Skyflow Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 0 [3] 0 [3]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 0 [3] 0 [3]  
Investment, Identifier [Axis]: Skyflow, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 372 $ 372  
Basis spread on variable rate 3.00% 3.00%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 372 $ 372  
Outstanding principal 394 394  
Investment, Identifier [Axis]: Skyflow, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 27 $ 27  
Basis spread on variable rate 3.00% [9] 3.00% [9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 27 $ 27  
Outstanding principal 28 28  
Investment, Identifier [Axis]: Snowflake Inc | Common Stock | Equity Investments      
Total portfolio company investments 261 [3],[9],[31] 261 [3],[9],[31]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 261 [3],[9],[31] 261 [3],[9],[31]  
Investment, Identifier [Axis]: Sonatus, Inc. | Growth Capital Loan      
Total portfolio company investments 14,617 14,617 14,416
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   14,416  
Ending balance $ 14,617 $ 14,617 $ 14,416
Interest rate 3.00% 3.00% 3.00%
Outstanding principal $ 15,000 $ 15,000 $ 15,000
Investment, Identifier [Axis]: Sonatus, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 157 [3] 157 [3] 518 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   518 [5]  
Ending balance 157 [3] 157 [3] 518 [5]
Investment, Identifier [Axis]: Sonder Holdings Inc. | Common Stock 1 | Warrant Investments      
Total portfolio company investments     0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance     0 [5],[10]
Investment, Identifier [Axis]: Sonder Holdings Inc. | Common Stock 2 | Warrant Investments      
Total portfolio company investments     0 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   0 [5],[10]  
Ending balance     0 [5],[10]
Investment, Identifier [Axis]: Stance, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 70 [3],[9] 70 [3],[9] 70 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   70 [5],[10]  
Ending balance 70 [3],[9] 70 [3],[9] 70 [5],[10]
Investment, Identifier [Axis]: Standard Bots, Inc. | Growth Capital Loan      
Total portfolio company investments     $ 979
Basis spread on variable rate     1.75% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   979  
Ending balance     $ 979
Outstanding principal     1,000
Investment, Identifier [Axis]: Standard Bots, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 40 [3],[9] 40 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 40 [3],[9] 40 [3],[9]  
Investment, Identifier [Axis]: Standard Bots, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 66 [3],[9] 66 [3],[9] 11 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   11 [5],[10]  
Ending balance 66 [3],[9] 66 [3],[9] 11 [5],[10]
Investment, Identifier [Axis]: Substack Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 6 [3],[9] 6 [3],[9] 6 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   6 [5],[10]  
Ending balance 6 [3],[9] 6 [3],[9] 6 [5],[10]
Investment, Identifier [Axis]: Synack, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 45 [3] 45 [3] 68 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   68 [5]  
Ending balance 45 [3] 45 [3] 68 [5]
Investment, Identifier [Axis]: Synack, Inc. | Growth Capital Loan      
Total portfolio company investments $ 8,879 $ 8,879 $ 8,842
Basis spread on variable rate 2.85% 2.85% 2.85%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 8,842  
Ending balance $ 8,879 8,879 $ 8,842
Outstanding principal 9,000 9,000 9,000
Investment, Identifier [Axis]: Talkspace, LLC (f/k/a Groop Internet Platform, Inc.) | Common Stock | Equity Investments      
Total portfolio company investments 763 [3],[9],[20] 763 [3],[9],[20] 533 [5],[10],[21]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   533 [5],[10],[21]  
Ending balance 763 [3],[9],[20] 763 [3],[9],[20] 533 [5],[10],[21]
Investment, Identifier [Axis]: Tempo Interactive Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 11 [3],[9] 11 [3],[9] 11 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   11 [5],[10]  
Ending balance 11 [3],[9] 11 [3],[9] 11 [5],[10]
Investment, Identifier [Axis]: TetraScience, Inc. | Growth Capital Loan      
Total portfolio company investments $ 10,210 $ 10,210 $ 10,094
Basis spread on variable rate 3.25% 3.25% 3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 10,094  
Ending balance $ 10,210 10,210 $ 10,094
Outstanding principal 10,000 10,000 10,000
Investment, Identifier [Axis]: TetraScience, Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 112 [3],[9] 112 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 112 [3],[9] 112 [3],[9]  
Investment, Identifier [Axis]: TetraScience, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 177 [3] 177 [3] 20 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   20 [5]  
Ending balance 177 [3] 177 [3] 20 [5]
Investment, Identifier [Axis]: The Black Tux Holdings, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 450 [3],[9] 450 [3],[9] 450 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   450 [5],[10]  
Ending balance 450 [3],[9] 450 [3],[9] 450 [5],[10]
Investment, Identifier [Axis]: Thoughtspot, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 404 [3],[9] 404 [3],[9] 404 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   404 [5],[10]  
Ending balance 404 [3],[9] 404 [3],[9] 404 [5],[10]
Investment, Identifier [Axis]: Thrillist Media Group, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 1,092 [3],[9] 1,092 [3],[9] 1,092 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,092 [5],[10]  
Ending balance 1,092 [3],[9] 1,092 [3],[9] 1,092 [5],[10]
Investment, Identifier [Axis]: Total Expert Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 313 [3] 313 [3] 313 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   313 [5]  
Ending balance 313 [3] 313 [3] 313 [5]
Investment, Identifier [Axis]: Total Expert Inc. | Growth Capital Loan      
Total portfolio company investments 22,121 22,121 21,987
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   21,987  
Ending balance $ 22,121 $ 22,121 $ 21,987
Interest rate 2.15% 2.15% 2.15%
Outstanding principal $ 22,500 $ 22,500 $ 22,500
Investment, Identifier [Axis]: Transfix, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 214 [3],[9] 214 [3],[9] 214 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   214 [5],[10]  
Ending balance 214 [3],[9] 214 [3],[9] 214 [5],[10]
Investment, Identifier [Axis]: Trendly, Inc. | Growth Capital Loan 1      
Total portfolio company investments $ 17,927 $ 17,927 $ 20,584
Basis spread on variable rate 7.75% 7.75% 7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 20,584  
Ending balance $ 17,927 17,927 $ 20,584
Outstanding principal 19,500 19,500 19,500
Investment, Identifier [Axis]: Trendly, Inc. | Growth Capital Loan 2      
Total portfolio company investments $ 2,758 $ 2,758 $ 3,179
Basis spread on variable rate 7.75% 7.75% 7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 3,179  
Ending balance $ 2,758 2,758 $ 3,179
Outstanding principal 3,000 3,000 3,000
Investment, Identifier [Axis]: Trendly, Inc. | Growth Capital Loan 3      
Total portfolio company investments $ 5,056 $ 5,056 $ 5,824
Basis spread on variable rate 7.75% 7.75% 7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 5,824  
Ending balance $ 5,056 5,056 $ 5,824
Outstanding principal 5,500 5,500 5,500
Investment, Identifier [Axis]: Trendly, Inc. | Preferred Stock 1 | Warrant Investments      
Total portfolio company investments 0 [3] 0 [3] 293 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   293 [5]  
Ending balance 0 [3] 0 [3] 293 [5]
Investment, Identifier [Axis]: Trendly, Inc. | Preferred Stock 2 | Warrant Investments      
Total portfolio company investments 0 [3] 0 [3] 17 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   17 [5]  
Ending balance 0 [3] 0 [3] 17 [5]
Investment, Identifier [Axis]: True Footage Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 180 [3],[9] 180 [3],[9] 180 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   180 [5],[10]  
Ending balance 180 [3],[9] 180 [3],[9] 180 [5],[10]
Investment, Identifier [Axis]: True Footage Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 574 [3],[9] 574 [3],[9] 574 [5]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   574 [5]  
Ending balance 574 [3],[9] 574 [3],[9] 574 [5]
Investment, Identifier [Axis]: US Chemical Technologies, Inc. | Growth Capital Loan      
Total portfolio company investments $ 1,012 $ 1,012 $ 941
Basis spread on variable rate 3.50% 3.50% 3.50% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   $ 941  
Ending balance $ 1,012 1,012 $ 941
Outstanding principal 1,000 1,000 1,000
Investment, Identifier [Axis]: US Chemical Technologies, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 40 [3] 40 [3] 53 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   53 [5],[10]  
Ending balance 40 [3] 40 [3] 53 [5],[10]
Investment, Identifier [Axis]: Uniphore Technologies Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 100 [3],[9] 100 [3],[9] 100 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   100 [5],[10]  
Ending balance 100 [3],[9] 100 [3],[9] 100 [5],[10]
Investment, Identifier [Axis]: Uniphore Technologies Inc. | Preferred Stock | Equity Investments      
Total portfolio company investments 287 [3],[9] 287 [3],[9] 287 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   287 [5],[10]  
Ending balance 287 [3],[9] 287 [3],[9] 287 [5],[10]
Investment, Identifier [Axis]: Untuckit LLC | Cash Exit Fee | Warrant Investments      
Total portfolio company investments 57 [3],[9],[11] 57 [3],[9],[11] 57 [5],[10],[12]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   57 [5],[10],[12]  
Ending balance 57 [3],[9],[11] 57 [3],[9],[11] 57 [5],[10],[12]
Investment, Identifier [Axis]: Upgrade, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 5,656 [3],[9] 5,656 [3],[9] 5,656 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   5,656 [5],[10]  
Ending balance 5,656 [3],[9] 5,656 [3],[9] 5,656 [5],[10]
Investment, Identifier [Axis]: Valar Atomics, Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 15 [3],[9] 15 [3],[9] 15 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   15 [5],[10]  
Ending balance 15 [3],[9] 15 [3],[9] 15 [5],[10]
Investment, Identifier [Axis]: Valar Atomics, Inc. | Growth Capital Loan      
Total portfolio company investments     $ 978
Basis spread on variable rate     3.50% [10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   978  
Ending balance     $ 978
Outstanding principal     1,000
Investment, Identifier [Axis]: Valar Atomics, Inc. | SAFE | Equity Investments      
Total portfolio company investments 80 [3],[9] 80 [3],[9]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 80 [3],[9] 80 [3],[9]  
Investment, Identifier [Axis]: Vergesense Inc. | Common Stock | Warrant Investments      
Total portfolio company investments 5 [3] 5 [3]  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance 5 [3] 5 [3]  
Investment, Identifier [Axis]: Vergesense Inc. | Growth Capital Loan      
Total portfolio company investments $ 492 $ 492  
Basis spread on variable rate 4.25% 4.25%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance $ 492 $ 492  
Outstanding principal 500 500  
Investment, Identifier [Axis]: Vial Health Technology, Inc. | Preferred Stock | Warrant Investments      
Total portfolio company investments 33 [3],[9] 33 [3],[9] 33 [5],[10]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   33 [5],[10]  
Ending balance 33 [3],[9] 33 [3],[9] 33 [5],[10]
Investment, Identifier [Axis]: WorldRemit Group Limited | Preferred Stock 1 | Warrant Investments      
Total portfolio company investments 1,506 [3],[9],[14],[15] 1,506 [3],[9],[14],[15] 1,531 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   1,531 [5],[10],[16],[17]  
Ending balance 1,506 [3],[9],[14],[15] 1,506 [3],[9],[14],[15] 1,531 [5],[10],[16],[17]
Investment, Identifier [Axis]: WorldRemit Group Limited | Preferred Stock 2 | Warrant Investments      
Total portfolio company investments 488 [3],[9],[14],[15] 488 [3],[9],[14],[15] 496 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   496 [5],[10],[16],[17]  
Ending balance 488 [3],[9],[14],[15] 488 [3],[9],[14],[15] 496 [5],[10],[16],[17]
Investment, Identifier [Axis]: everdrop GmbH | Preferred Stock | Equity Investments      
Total portfolio company investments 344 [3],[9],[14],[15] 344 [3],[9],[14],[15] 354 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   354 [5],[10],[16],[17]  
Ending balance 344 [3],[9],[14],[15] 344 [3],[9],[14],[15] 354 [5],[10],[16],[17]
Investment, Identifier [Axis]: everdrop GmbH | Preferred Stock | Warrant Investments      
Total portfolio company investments 26 [3],[9],[14],[15] 26 [3],[9],[14],[15] 27 [5],[10],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   27 [5],[10],[16],[17]  
Ending balance $ 26 [3],[9],[14],[15] $ 26 [3],[9],[14],[15] $ 27 [5],[10],[16],[17]
Non-Qualifying Assets      
Percent of net assets 29.10% 29.10% 28.40%
Investments Not Valued At Fair Value      
Number of investments | investment 5 5 4
Investments Restricted On Sales      
Percent of net assets 221.00% 221.00% 221.40%
Total portfolio company investments $ 779,900 $ 779,900 $ 782,900
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance   782,900  
Ending balance $ 779,900 $ 779,900 782,900
Affiliate Investment      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Net change in unrealized gains (losses) on investments:     1,700
Net realized gains (losses) on investments:     $ 5,800
Hybrid Equity Investment      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Interest rate 16.00% 16.00% 16.00%
Debt Investments      
Basis spread on variable rate 6.75% 6.75%  
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Interest rate     3.25%
Investment, variable interest rate, type flag Prime Rate [Member] Prime Rate [Member]  
Debt Investments Floating Interest Rate      
Percent of net assets 63.70% 63.70% 63.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Interest rate 3.25% 3.25%  
Outstanding principal $ 436,300 $ 436,300 $ 426,300
[1] The Company generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”). Unless otherwise indicated, all of the Company’s portfolio company investments are subject to restrictions on sales. As of June 30, 2026, the Company’s portfolio company investments that were subject to restrictions on sales totaled $779.9 million at fair value and represented 221.0% of the Company’s net assets. In addition, unless otherwise indicated, as of June 30, 2026, all investments are pledged as collateral as part of the Company’s revolving credit facility.
[2] Except for equity in five public companies, all investments were valued at fair value using Level 3 significant unobservable inputs as determined in good faith by the Company’s board of directors (the “Board”).
[3] Non-income producing investments.
[4] Value as a percentage of net assets.
[5] Non-income producing investments.
[6] Value as a percentage of net assets.
[7] The Company generally acquires its investments in private transactions exempt from registration under the Securities Act. Unless otherwise indicated, all of the Company’s portfolio company investments are subject to restrictions on sales. As of December 31, 2025, the Company’s portfolio company investments that were subject to restrictions on sales totaled $782.9 million at fair value and represented 221.4% of the Company’s net assets. In addition, unless otherwise indicated, as of December 31, 2025, all investments are pledged as collateral as part of the Company’s revolving credit facility.
[8] Except for equity in four public companies, all investments were valued at fair value using Level 3 significant unobservable inputs as determined in good faith by the Board.
[9] As of June 30, 2026 this investment was not pledged as collateral as part of the Company’s revolving credit facility.
[10] As of December 31, 2025 this investment was not pledged as collateral as part of the Company’s revolving credit facility.
[11] Investment is a cash success fee or a cash exit fee payable on the consummation of certain trigger events.
[12] Investment is a cash success fee or a cash exit fee payable on the consummation of certain trigger events.
[13] SOFR represents 3.66% as of June 30, 2026.
[14] Entity is not domiciled in the United States and does not have its principal place of business in the United States.
[15] Investment is a non-qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). As of June 30, 2026, non-qualifying assets represented 29.1% of the Company’s total assets, at fair value.
[16] Entity is not domiciled in the United States and does not have its principal place of business in the United States.
[17] Investment is a non-qualifying asset under Section 55(a) of the 1940 Act. As of December 31, 2025, non-qualifying assets represented 28.4% of the Company’s total assets, at fair value.
[18] Debt is on non-accrual status as of June 30, 2026 and is therefore considered non-income producing. Non-accrual investments as of June 30, 2026 had a total cost and fair value of $38.6 million and $16.4 million, respectively.
[19] Debt is on non-accrual status as of December 31, 2025 and is therefore considered non-income producing. Non-accrual investments as of December 31, 2025 had a total cost and fair value of $39.7 million and $17.1 million, respectively.
[20] Investment is publicly traded and listed on either the New York Stock Exchange or the Nasdaq, and is not subject to restrictions on sales.
[21] Investment is publicly traded and listed on either the New York Stock Exchange or the Nasdaq, and is not subject to restrictions on sales.
[22] Investment is owned by TPVG Investment LLC, a wholly owned taxable subsidiary of the Company.
[23] Investment is owned by TPVG Investment LLC, a wholly owned taxable subsidiary of the Company.
[24] Portfolio company is an “Affiliate Investment.” See “Note 2. Significant Accounting Policies – Investment Classification” in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, filed with the U.S. Securities and Exchange Commission (the “SEC”) on March 4, 2026 for more information. No investment income was recognized from the investment holdings in the portfolio company during the three and six months ended June 30, 2026. Transactions related to investments in non-controlled “Affiliate Investments” for the six months ended June 30, 2026 were as follows:
Portfolio CompanyType of InvestmentDecember 31, 2025 Fair Value
Gross Additions(a)
Gross Reductions(b)
Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)Amount of Interest or Dividends Credited to IncomeJune 30, 2026 Fair Value
Nakdcom One World AB
Growth Capital Loan (12.00% PIK interest)
$119 $— $— $— $(4)$— $115 
Common Stock962 — — — (27)— 935 
Hybrid15,159 — — — $(428)— 14,731 
Total Affiliated Investments$16,240 $— $— $— $(459)$— $15,781 

(a) Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b) Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
[25] Portfolio company is an “Affiliate Investment.” See “Note 2. Significant Accounting Policies – Investment Classification” in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2025, filed with the SEC on March 4, 2026 for more information. No investment income or realized and unrealized gain/(loss) was recognized from the investment holdings in the portfolio company while it was classified as an “Affiliate Investment.” The Company recorded a total of $1.7 million in net unrealized gains and $5.8 million in net realized gains on investments in the portfolio company during the year ended December 31, 2025.
[26] This Hybrid equity investment is perpetual and has no specific maturity date, and it accrues interest at an annual rate of 16% that can be capitalized at the election of the portfolio company. The Company has not recorded any income in connection with the Hybrid equity investment for the three and six months ended June 30, 2026.
[27] This Hybrid equity investment is perpetual and has no specific maturity date, and it accrues interest at an annual rate of 16% that can be capitalized at the election of the portfolio company. The Company has not recorded any income in connection with the Hybrid equity investment for the year ended December 31, 2025.
[28] Investment is structured as a unitranche loan in which the Company may receive additional interest on its “last out” tranche of the portfolio company’s senior term debt, which was syndicated into “first out” and “last out” tranches, whereby the “first out” tranche will have priority as to the Company’s “last out” tranche with respect to payments of principal, interest and any other amounts due thereunder.
[29] Investment is structured as a unitranche loan in which the Company may receive additional interest on its “last out” tranche of the portfolio company’s senior term debt, which was syndicated into “first out” and “last out” tranches, whereby the “first out” tranche will have priority as to the Company’s “last out” tranche with respect to payments of principal, interest and any other amounts due thereunder.
[30] SOFR represents 3.82% as of December 31, 2025.
[31] On February 2, 2026, Observe, Inc. was acquired by public company Snowflake Inc. The Company’s equity investment in Observe, Inc. was exchanged for common stock in Snowflake. This investment is publicly traded and listed on the New York Stock Exchange, is subject to restrictions on sales, and accordingly, is classified as a Level 2 asset within the fair value hierarchy.