Shareholder Report, Holdings (Details)	Jun. 30, 2025
C000005439 \| Alphabet
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000005439 \| MetLife
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000005439 \| Southern
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000005439 \| QUALCOMM
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000005439 \| Charles Schwab
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000005439 \| JPMorgan Chase
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000005439 \| Wells Fargo
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000005439 \| Elevance Health
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000005439 \| Boeing
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000005439 \| L3Harris Technologies
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000005439 \| Financials
Holdings [Line Items]
Percent of Net Asset Value	22.80%
C000005439 \| Industrials & Business Services
Holdings [Line Items]
Percent of Net Asset Value	13.50%
C000005439 \| Health Care
Holdings [Line Items]
Percent of Net Asset Value	12.80%
C000005439 \| Information Technology
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000005439 \| Energy
Holdings [Line Items]
Percent of Net Asset Value	8.80%
C000005439 \| Consumer Staples
Holdings [Line Items]
Percent of Net Asset Value	8.80%
C000005439 \| Utilities
Holdings [Line Items]
Percent of Net Asset Value	5.90%
C000005439 \| Communication Services
Holdings [Line Items]
Percent of Net Asset Value	5.80%
C000005439 \| Consumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000005439 \| Other Holdings Grouping
Holdings [Line Items]
Percent of Net Asset Value	8.30%
C000005440 \| Alphabet
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000005440 \| MetLife
Holdings [Line Items]
Percent of Net Asset Value	2.10%
C000005440 \| Southern
Holdings [Line Items]
Percent of Net Asset Value	2.00%
C000005440 \| QUALCOMM
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000005440 \| Charles Schwab
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000005440 \| JPMorgan Chase
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000005440 \| Wells Fargo
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000005440 \| Elevance Health
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000005440 \| Boeing
Holdings [Line Items]
Percent of Net Asset Value	1.80%
C000005440 \| L3Harris Technologies
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000005440 \| Financials
Holdings [Line Items]
Percent of Net Asset Value	22.80%
C000005440 \| Industrials & Business Services
Holdings [Line Items]
Percent of Net Asset Value	13.50%
C000005440 \| Health Care
Holdings [Line Items]
Percent of Net Asset Value	12.80%
C000005440 \| Information Technology
Holdings [Line Items]
Percent of Net Asset Value	8.90%
C000005440 \| Energy
Holdings [Line Items]
Percent of Net Asset Value	8.80%
C000005440 \| Consumer Staples
Holdings [Line Items]
Percent of Net Asset Value	8.80%
C000005440 \| Utilities
Holdings [Line Items]
Percent of Net Asset Value	5.90%
C000005440 \| Communication Services
Holdings [Line Items]
Percent of Net Asset Value	5.80%
C000005440 \| Consumer Discretionary
Holdings [Line Items]
Percent of Net Asset Value	4.40%
C000005440 \| Other Holdings Grouping
Holdings [Line Items]
Percent of Net Asset Value	8.30%