Growth Portfolio Expense Example - Portfolio [Member] - Growth Portfolio - Growth Portfolio	Dec. 31, 2025 USD ($)
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 37
Expense Example, with Redemption, 3 Years	116
Expense Example, with Redemption, 5 Years	202
Expense Example, with Redemption, 10 Years	$ 456

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