v3.26.1
Growth Portfolio Annual Fund Operating Expenses - Portfolio [Member] - Growth Portfolio - Growth Portfolio
Dec. 31, 2025
Prospectus [Line Items]  
Management Fees (as a percentage of Assets) 0.35%
Distribution and Service (12b-1) Fees 0.00%
Other Expenses (as a percentage of Assets): 0.01%
Expenses (as a percentage of Assets) 0.36%