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v3.23.2

INVESTMENTS - Schedule of Investments (Details) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 USD ($) borrower | Dec. 31, 2022 USD ($) borrower
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 21,685.6 | $ 22,043.0
Fair Value | $ 21,496.5 | $ 21,779.8
Loans on non-accrual status, as a percent of total investments at amortized cost | 2.10% | 1.70%
Loans on non-accrual status, as a percent of total investments at fair value | 1.10% | 1.10%
Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 100.00% | 100.00%
Investments, At Fair Value | Geographic Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 100.00% | 100.00%
Senior Direct Lending Program |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 5,096.0 | $ 5,166.0
Fair Value | $ 4,799.0 | $ 4,958.0
Number of borrowers | borrower | 21 | 22
Ivy Hill Asset Management, L.P. |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 2,436.0 | $ 2,370.0
Fair Value | $ 9,476.0 | $ 8,998.0
Number of borrowers | borrower | 22 |
West | Investments, At Fair Value | Geographic Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 24.90% | 24.50%
West | Senior Direct Lending Program | Investments, At Fair Value | Customer Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 5.80% | 5.70%
West | Ivy Hill Asset Management, L.P. | Investments, At Fair Value | Customer Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 10.00% | 10.10%
Midwest | Investments, At Fair Value | Geographic Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 23.90% | 23.90%
Southeast | Investments, At Fair Value | Geographic Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 18.30% | 17.10%
Northeast | Investments, At Fair Value | Geographic Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 14.30% | 14.00%
Mid-Atlantic | Investments, At Fair Value | Geographic Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 13.80% | 14.90%
International | Investments, At Fair Value | Geographic Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 4.80% | 5.60%
Software and Services |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 4,846.2 | $ 4,950.2
Fair Value | $ 4,721.4 | $ 4,760.6
Software and Services | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 22.00% | 21.90%
Financial Services |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 2,615.9 | $ 2,755.3
Fair Value | $ 2,794.2 | $ 2,890.6
Financial Services | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 13.00% | 13.30%
Health Care Services |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 2,639.8 | $ 2,525.9
Fair Value | $ 2,425.2 | $ 2,341.9
Health Care Services | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 11.30% | 10.80%
Commercial and Professional Services |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 2,168.8 | $ 2,116.3
Fair Value | $ 2,090.4 | $ 2,077.0
Commercial and Professional Services | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 9.70% | 9.50%
Investment Funds and Vehicles |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 1,310.8 | $ 1,305.8
Fair Value | $ 1,275.9 | $ 1,296.8
Investment Funds and Vehicles | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 5.90% | 6.00%
Power Generation |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 976.6 | $ 942.8
Fair Value | $ 1,037.6 | $ 988.3
Power Generation | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 4.80% | 4.50%
Insurance Services |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 1,027.7 | $ 1,152.6
Fair Value | $ 1,024.3 | $ 1,132.8
Insurance Services | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 4.80% | 5.20%
Consumer Services | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 3.70% | 4.20%
Consumer Durables and Apparel |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 951.1 | $ 923.9
Fair Value | $ 793.1 | $ 814.3
Consumer Durables and Apparel | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 3.70% | 3.70%
Capital Goods |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 569.5 | $ 758.3
Fair Value | $ 617.3 | $ 783.9
Capital Goods | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 2.90% | 3.60%
Media and Entertainment |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 478.7 | $ 422.3
Fair Value | $ 521.4 | $ 452.1
Media and Entertainment | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 2.40% | 2.10%
Food and Beverage |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 436.1 | $ 420.4
Fair Value | $ 446.6 | $ 431.7
Food and Beverage | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 2.10% | 2.00%
Retailing and Distribution |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 431.9 | $ 442.3
Fair Value | $ 447.0 | $ 475.2
Retailing and Distribution | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 2.10% | 2.20%
Energy |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 394.0 | $ 380.6
Fair Value | $ 431.4 | $ 425.3
Energy | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 2.00% | 2.00%
Automobiles and Components |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 440.7 | $ 473.2
Fair Value | $ 426.2 | $ 452.6
Automobiles and Components | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 2.00% | 2.10%
Other | Investments, At Fair Value | Industry Concentration Risk |  |
Schedule of Investments [Line Items] |  |
Composition, percent of fair value | 7.60% | 6.90%
First lien senior secured loans |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 9,304.0 | $ 9,684.0
Fair Value | 8,972.0 | 9,373.0
Second lien senior secured loans |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 4,160.0 | 4,218.0
Fair Value | 3,879.0 | 3,934.0
Subordinated certificates of the SDLP |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 1,289.0 | 1,274.0
Fair Value | 1,237.0 | 1,249.0
Senior subordinated loans |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 1,147.0 | 1,163.0
Fair Value | 1,054.0 | 1,079.0
Preferred equity |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 2,161.0 | 2,095.0
Fair Value | 2,140.0 | 2,027.0
Ivy Hill Asset Management, L.P. |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 1,968.0 | 2,048.0
Fair Value | 2,151.0 | 2,201.0
Other equity |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 1,657.0 | 1,561.0
Fair Value | 2,063.0 | 1,917.0
Unitranche loans |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 4,875.0 | 4,983.0
Fair Value | $ 4,746.0 | $ 4,841.0

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