v3.25.2
Average Annual Total Returns
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Bloomberg U.S. Aggregate Bond Index      
Prospectus [Line Items]      
Average Annual Return, Percent 1.25% (0.33%) 1.35%
ICE BofA US 3-Month Treasury Bill Index      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 5.25% 2.46% 1.77%
FTSE 3-Month Treasury Bill Index      
Prospectus [Line Items]      
Average Annual Return, Percent 5.45% 2.54% 1.79%
Unconstrained Bond Series - Class S      
Prospectus [Line Items]      
Average Annual Return, Percent 4.08% 2.57% 2.43%
Unconstrained Bond Series - Class S | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 2.27% 1.07% 1.17%
Unconstrained Bond Series - Class S | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 2.40% 1.34% 1.32%
Unconstrained Bond Series - Class I      
Prospectus [Line Items]      
Average Annual Return, Percent 4.39% 2.81% 2.69%
Unconstrained Bond Series - Class W      
Prospectus [Line Items]      
Average Annual Return, Percent 4.85% 3.26% 2.85%
[1] On July 15, 2025, the Series’ secondary benchmark changed from the FTSE 3-Month Treasury Bill Index to the ICE BofA US 3-Month Treasury Bill Index. The Advisor considers the ICE BofA US 3-Month Treasury Bill Index an appropriate cash proxy that aligns with the strategy’s investment objective and is more widely used in the marketplace than the FTSE 3-Month Treasury Bill Index.