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Investments - Schedule of Fair Value Portfolio By Industry Sector (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | $ 3,659,978 | $ 3,248,046
Industry Sub Sector Concentration Risk | Total Industry Sectors |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 3,659,978 | 3,248,046
Industry Sub Sector Concentration Risk | Software |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 1,081,100 | 764,985
Industry Sub Sector Concentration Risk | Drug Discovery & Development |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 1,080,390 | 1,257,699
Industry Sub Sector Concentration Risk | Healthcare Services, Other |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 610,184 | 300,079
Industry Sub Sector Concentration Risk | Consumer & Business Services |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 372,641 | 525,973
Industry Sub Sector Concentration Risk | Electronics & Computer Hardware |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 162,888 | 20,324
Industry Sub Sector Concentration Risk | Diversified Financial Services |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 113,491 | 114,722
Industry Sub Sector Concentration Risk | Medical Devices & Equipment |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 74,962 | 22,096
Industry Sub Sector Concentration Risk | Space Technologies |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 45,700 | 0
Industry Sub Sector Concentration Risk | Biotechnology Tools |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 35,434 | 48,381
Industry Sub Sector Concentration Risk | Communications & Networking |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 27,700 | 29,400
Industry Sub Sector Concentration Risk | Consumer & Business Products |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 27,696 | 9,581
Industry Sub Sector Concentration Risk | Information Services |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 24,356 | 126,605
Industry Sub Sector Concentration Risk | Consumer & Business Products |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 1,497 | 2,589
Industry Sub Sector Concentration Risk | Manufacturing Technology |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 1,162 | 11,006
Industry Sub Sector Concentration Risk | Semiconductors |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 704 | 1,205
Industry Sub Sector Concentration Risk | Media/Content/Info |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 63 | 12,704
Industry Sub Sector Concentration Risk | Drug Delivery |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | 10 | 21
Industry Sub Sector Concentration Risk | Media/Content/Info |  |
Schedule Of Investments [Line Items] |  |
Investments at Fair Value | $ 0 | $ 676
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Total Industry Sectors |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 100.00% | 100.00%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Software |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 29.50% | 23.60%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Drug Discovery & Development |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 29.50% | 38.70%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Healthcare Services, Other |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 16.70% | 9.30%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Consumer & Business Services |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 10.20% | 16.20%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Electronics & Computer Hardware |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 4.50% | 0.60%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Diversified Financial Services |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 3.10% | 3.50%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Medical Devices & Equipment |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 2.00% | 0.70%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Space Technologies |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 1.20% | 0.00%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Biotechnology Tools |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 1.00% | 1.50%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Communications & Networking |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.80% | 0.90%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Consumer & Business Products |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.80% | 0.30%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Information Services |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.70% | 3.90%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Consumer & Business Products |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.00% | 0.10%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Manufacturing Technology |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.00% | 0.30%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Semiconductors |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.00% | 0.00%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Media/Content/Info |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.00% | 0.40%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Drug Delivery |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.00% | 0.00%
Industry Sub Sector Concentration Risk | Industry Sub Sector Investments Benchmark | Media/Content/Info |  |
Schedule Of Investments [Line Items] |  |
Percentage of Total Portfolio | 0.00% | 0.00%

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