Services [Member] Average Annual Total Returns - Services |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| S&P 500 Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 17.88% | 14.42% | 14.82% |
| Russell 1000 Value Index (Reflects no deduction for fees, expenses or taxes) | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 15.91% | 11.33% | 10.53% |
| Service Shares | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 21.37% | 11.37% | 10.93% |
| Service Shares | After Taxes on Distributions | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 18.39% | 8.56% | 8.17% |
| Service Shares | After Taxes on Distributions and Sales | |||
| Prospectus [Line Items] | |||
| Average Annual Return, Percent | 14.31% | 8.39% | 8.14% |