Mid Cap Value Portfolio Investment Objectives and Goals - Mid Cap Value Portfolio	Dec. 31, 2025
Prospectus [Line Items]
Risk/Return [Heading]	Mid Cap Value Portfolio – Summary
Objective [Heading]	<span style="color:#000000;font-family:Arial;font-size:10.02pt;font-weight:bold;">INVESTMENT OBJECTIVE</span>
Objective, Primary [Text Block]	The investment objective of the Portfolio is long-term capital growth.
Objective, Secondary [Text Block]	Current income is a secondary objective.

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