Shareholder Report, Holdings (Details)	Jun. 30, 2026
C000009551 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.25%
C000009551 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.86%
C000009551 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.33%
C000009551 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.86%
C000009551 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	25.50%
C000009552 [Member] \| Information Technology Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	10.25%
C000009552 [Member] \| Consumer Discretionary Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.86%
C000009552 [Member] \| Communications Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	12.33%
C000009552 [Member] \| Healthcare Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	16.86%
C000009552 [Member] \| Financial Services Sector [Member]
Holdings [Line Items]
Percent of Net Asset Value	25.50%