Shareholder Report, Average Annual Return (Details) |
12 Months Ended | 60 Months Ended | 120 Months Ended |
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2025 |
|
| Without Sales Load [Member] | C000005423 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 16.09% | 7.52% | 8.97% |
| Without Sales Load [Member] | C000166328 | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 16.26% | 7.67% | 9.12% |
| MSCI All Country World Index Net | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 22.34% | 11.19% | 11.72% |
| MSCI All Country World Index Net | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 22.34% | 11.19% | 11.72% |
| Morningstar Moderate Target Risk Index | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 15.95% | 5.95% | 7.83% |
| Morningstar Moderate Target Risk Index | |||
| Average Annual Return [Line Items] | |||
| Average Annual Return, Percent | 15.95% | 5.95% | 7.83% |