v3.25.2
Investor A C Institutional and Class R [Member] Average Annual Total Returns - Investor A, C, Institutional and Class R
12 Months Ended 60 Months Ended 120 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Russell 3000® Index (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 23.81% 13.86% 12.55%
Russell 2500™ Index (Reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 12.00% 8.77% 8.85%
Investor A Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 6.02% 7.24% 7.83%
Investor A Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 5.61% 4.58% 5.17%
Investor A Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 3.71% 4.90% 5.41%
Investor C Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 10.01% 7.59% 7.75%
Institutional Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 12.12% 8.67% 8.68%
Class R Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 11.64% 8.13% 8.13%
[1] The Fund has added this broad-based index in response to new regulatory requirements.