v3.26.1
S000000002 [Member] Average Annual Total Returns
12 Months Ended 50 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Russell 3000® Index (reflects no deduction for fees, expenses or taxes)    
Prospectus [Line Items]    
Average Annual Return, Percent 17.16% 10.52%
Russell Midcap® Index (reflects no deduction for fees, expenses or taxes)    
Prospectus [Line Items]    
Average Annual Return, Percent 10.60% 5.22%
Survivor fund    
Prospectus [Line Items]    
Average Annual Return, Percent 10.34% 5.43%
Performance Inception Date   Oct. 25, 2021