Capital Growth Portfolio Investment Strategy - Portfolio [Member] - Capital Growth Portfolio |
Dec. 31, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Strategy [Heading] | <span style="color:#000000;font-family:Arial;font-size:10pt;font-weight:bold;">Principal Investment Strategies</span> |
| Strategy Narrative [Text Block] | The Fund employs an active management approach, investing in stocks considered to have above-average earnings growth potential that is not reflected in their current market prices. The Fund’s portfolio consists predominantly of large- and mid-capitalization stocks. |