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Investments - Schedule of Geographic Composition of Investment at Fair Value (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 2,449,272 | $ 2,488,715
Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | 1,095,308 | 1,330,526
Jocassee Partners LLC | Investment, Excluding Short Term Investment, With Previous Commitment To Provide Financing |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 1,085,025 | $ 1,315,630
Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 100.00% | 100.00%
Australia | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 23,187 | $ 26,291
Australia | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 2.10% | 2.00%
Austria | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 5,695 | $ 6,026
Austria | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.50% | 0.50%
Belgium | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 20,741 | $ 20,379
Belgium | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 1.90% | 1.50%
Canada | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 590 | $ 3,998
Canada | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.10% | 0.30%
Denmark | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 0 | $ 1,082
Denmark | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.00% | 0.10%
Finland | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 0 | $ 2,207
Finland | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.00% | 0.20%
France | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 124,810 | $ 137,072
France | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 11.50% | 10.40%
Germany | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 35,691 | $ 50,672
Germany | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 3.30% | 3.90%
Hong Kong | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 14,843 | $ 14,162
Hong Kong | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 1.40% | 1.10%
Ireland | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 7,302 | $ 7,445
Ireland | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.70% | 0.60%
Luxembourg | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 2,128 | $ 1,839
Luxembourg | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.20% | 0.10%
Netherlands | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 39,504 | $ 41,260
Netherlands | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 3.60% | 3.10%
Panama | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 1,470 | $ 1,466
Panama | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.10% | 0.10%
Singapore | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 5,000 | $ 4,980
Singapore | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.50% | 0.40%
Spain | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 2,078 | $ 4,777
Spain | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.20% | 0.40%
Sweden | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 3,523 | $ 4,519
Sweden | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.30% | 0.30%
Switzerland | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 595 | $ 592
Switzerland | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 0.10% | 0.00%
United Kingdom | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 111,097 | $ 120,398
United Kingdom | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 10.20% | 9.20%
USA | Jocassee Partners LLC |  |
Summary of Investment Holdings [Line Items] |  |
Total investments at fair value | $ 686,771 | $ 866,465
USA | Jocassee Partners LLC | Percentage of Total Portfolio, at Fair Value | Geographic Concentration Risk |  |
Summary of Investment Holdings [Line Items] |  |
Percent of Total Portfolio | 63.30% | 65.80%

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