v3.26.1
S000001244 [Member] Expense Example - SMALL CAP CORE FUND
Mar. 31, 2026
USD ($)
Class K  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 42
Expense Example, with Redemption, 3 Years 147
Expense Example, with Redemption, 5 Years 262
Expense Example, with Redemption, 10 Years 597
Class I  
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year 52
Expense Example, with Redemption, 3 Years 179
Expense Example, with Redemption, 5 Years 317
Expense Example, with Redemption, 10 Years $ 719