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Investments - Investments at Fair Value Percent (Details) - Investment Owned, At Fair Value - Investment Type Concentration Risk | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 100.00% | 100.00%
Aerospace & Defense |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 4.90% | 5.20%
Air Freight & Logistics |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 4.00% | 4.20%
Building Products |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 3.00% | 3.20%
Chemicals |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.10% | 0.10%
Commercial Services & Supplies |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 7.50% | 7.80%
Construction & Engineering |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.50% | 0.50%
Containers & Packaging |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.20% | 0.20%
Distributors |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 4.90% | 5.70%
Diversified Consumer Services |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 4.20% | 3.90%
Diversified Financial Services |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 1.30% | 1.40%
Diversified Telecommunication Services |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 1.30% | 1.40%
Electrical Equipment |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.50% | 1.10%
Electronic Equipment, Instruments & Components |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 1.20% | 1.30%
Electric Utilities |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.60% | 0.60%
Energy Equipment & Services |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.30% | 0.40%
Ground Transportation |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.20% | 0.20%
Health Care Equipment & Supplies |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.80% | 0.60%
Health Care Providers & Services |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 10.60% | 10.70%
Health Care Technology |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 5.30% | 5.10%
Industrial Conglomerates |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.10% | 0.10%
Insurance |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 5.10% | 5.40%
Internet & Direct Marketing Retail |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 3.00% | 3.20%
IT Services |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 3.90% | 2.90%
Machinery |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.00% | 0.00%
Marine |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.20% | 0.30%
Media |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.10% | 0.10%
Oil, Gas & Consumable Fuels |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 1.00% | 1.00%
Paper & Forest Products |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.10% | 0.10%
Pharmaceuticals |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.20% | 0.20%
Professional Services |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 9.00% | 7.80%
Real Estate Management & Development |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.90% | 0.90%
Software |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 17.50% | 17.40%
Specialty Retail |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 1.60% | 1.70%
Technology Hardware, Storage & Peripherals |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 0.80% | 0.80%
Trading Companies & Distributors |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 1.20% | 0.50%
Transportation Infrastructure |  |
Schedule of Investments [Line Items] |  |
% of Total Investments at Fair Value | 3.90% | 4.00%

X
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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