Empower Real Estate Index Fund Average Annual Total Returns |
12 Months Ended | 60 Months Ended | 105 Months Ended | 120 Months Ended |
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Russell 3000® Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 17.15% | 13.15% | 14.29% | |
| Dow Jones U.S. Select REIT Index (reflects no deduction for fees, expenses or taxes)[Member] | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 3.67% | 6.65% | 4.81% | |
| Institutional | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 3.52% | 6.31% | 4.50% | |
| Investor | ||||
| Prospectus [Line Items] | ||||
| Average Annual Return, Percent | 3.16% | 5.95% | 4.13% |