v3.25.2
Average Annual Total Returns
 12 Months Ended 60 Months Ended 108 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
Equity Portfolios - Advisor Classes | Women in Leadership U.S. Equity Portfolio      
Prospectus [Line Items]      
Average Annual Return, Percent 15.78% 9.52% 10.98%
Equity Portfolios - Advisor Classes | Women in Leadership U.S. Equity Portfolio | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 12.47% 7.43% 9.56%
Equity Portfolios - Advisor Classes | Women in Leadership U.S. Equity Portfolio | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 11.82% 7.33% 8.84%
Equity Portfolios - Advisor Classes | Russell 3000® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 23.81% 13.86% 13.97%
Equity Portfolios - Advisor Classes | Russell 1000® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [1] 24.51% 14.28% 14.28%
Equity Portfolios - Advisor Classes | Russell 2500® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 11.99% 8.77% 10.25%
Equity Portfolios - Advisor Classes | Morningstar Large Value Average      
Prospectus [Line Items]      
Average Annual Return, Percent [2] 14.28% 9.20% 10.01%
Equity Portfolios - Institutional Classes | Women in Leadership U.S. Equity Portfolio - Institutional Shares      
Prospectus [Line Items]      
Average Annual Return, Percent 15.78% 9.52% 10.98%
Equity Portfolios - Institutional Classes | Women in Leadership U.S. Equity Portfolio - Institutional Shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 12.47% 7.43% 9.56%
Equity Portfolios - Institutional Classes | Women in Leadership U.S. Equity Portfolio - Institutional Shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 11.82% 7.33% 8.84%
Equity Portfolios - Institutional Classes | Russell 3000® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [3] 23.81% 13.86% 13.97%
Equity Portfolios - Institutional Classes | Russell 1000® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [3] 24.51% 14.28% 14.28%
Equity Portfolios - Institutional Classes | Russell 2500® Index (reflects no deduction for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent [4] 11.99% 8.77% 10.25%
Equity Portfolios - Institutional Classes | Morningstar Large Value Average      
Prospectus [Line Items]      
Average Annual Return, Percent [4] 14.28% 9.20% 10.01%
[1] Effective September 2, 2025, due to the Repositioning, the Portfolio’s primary broad-based index changed from the Russell 1000 Index to the Russell 3000 Index.
[2] Effective September 2, 2025, due to the Repositioning, the Portfolio’s performance measurement index changed from the Morningstar Large Cap Value Average to the Russell 2500 Index. The Russell 2500 Index is provided so that investors may compare the performance of the Portfolio with an index composed of securities similar to those held by the Portfolio.
[3] Effective September 2, 2025, due to the Repositioning, the Portfolio’s primary broad-based index changed from the Russell 1000 Index to the Russell 3000 Index.
[4] Effective September 2, 2025, due to the Repositioning, the Portfolio’s performance measurement index changed from the Morningstar Large Cap Value Average to the Russell 2500 Index. The Russell 2500 Index is provided so that investors may compare the performance of the Portfolio with an index composed of securities similar to those held by the Portfolio.