Empower Real Estate Index Fund Expense Example - Empower Real Estate Index Fund	Dec. 31, 2025 USD ($)
Institutional
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 31
Expense Example, with Redemption, 3 Years	99
Expense Example, with Redemption, 5 Years	173
Expense Example, with Redemption, 10 Years	392
Investor
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	66
Expense Example, with Redemption, 3 Years	212
Expense Example, with Redemption, 5 Years	371
Expense Example, with Redemption, 10 Years	$ 833

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