v3.25.4
SCB Classand Advisor Class [Member] Shareholder Fees - Institutional - Small Cap Core Portfolio
Sep. 30, 2025
SCB Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage) 0.00%
Maximum Account Fee (as a percentage of Assets) 0.00%
Advisor Class  
Prospectus [Line Items]  
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price) 0.00%
Maximum Deferred Sales Charge (as a percentage) 0.00%
Maximum Account Fee (as a percentage of Assets) 0.00%