v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000073498 | Chart Industries Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000073498 | Electronic Arts Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000073498 | Warner Bros Discovery Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000073498 | TXNM Energy Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000073498 | Janus Henderson Group Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000073498 | The AES Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000073498 | Roku Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000073498 | Kenvue Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000073498 | Apogee Therapeutics Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000073498 | DigitalBridge Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000073498 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 81.20%
C000073498 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000073498 | InvestmentType_Rights  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000073498 | InvestmentType_Closed-End Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000073498 | InvestmentType_Common Stocks – Securities Sold Short  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
C000073498 | U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000073498 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
C000073498 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000073498 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000073498 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000073498 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000073498 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000073498 | Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000073498 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000002843 | Chart Industries Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000002843 | Electronic Arts Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000002843 | Warner Bros Discovery Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000002843 | TXNM Energy Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000002843 | Janus Henderson Group Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002843 | The AES Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000002843 | Roku Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000002843 | Kenvue Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002843 | Apogee Therapeutics Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002843 | DigitalBridge Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000002843 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 81.20%
C000002843 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000002843 | InvestmentType_Rights  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002843 | InvestmentType_Closed-End Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000002843 | InvestmentType_Common Stocks – Securities Sold Short  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
C000002843 | U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000002843 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
C000002843 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000002843 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000002843 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000002843 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000002843 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000002843 | Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000002843 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000002844 | Chart Industries Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000002844 | Electronic Arts Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000002844 | Warner Bros Discovery Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000002844 | TXNM Energy Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000002844 | Janus Henderson Group Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002844 | The AES Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000002844 | Roku Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000002844 | Kenvue Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002844 | Apogee Therapeutics Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002844 | DigitalBridge Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000002844 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 81.20%
C000002844 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000002844 | InvestmentType_Rights  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002844 | InvestmentType_Closed-End Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000002844 | InvestmentType_Common Stocks – Securities Sold Short  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
C000002844 | U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000002844 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
C000002844 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000002844 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000002844 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000002844 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000002844 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000002844 | Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000002844 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000002841 | Chart Industries Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000002841 | Electronic Arts Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000002841 | Warner Bros Discovery Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000002841 | TXNM Energy Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000002841 | Janus Henderson Group Ltd.  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000002841 | The AES Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000002841 | Roku Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000002841 | Kenvue Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002841 | Apogee Therapeutics Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000002841 | DigitalBridge Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000002841 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 81.20%
C000002841 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000002841 | InvestmentType_Rights  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002841 | InvestmentType_Closed-End Funds  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000002841 | InvestmentType_Common Stocks – Securities Sold Short  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
C000002841 | U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000002841 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 16.90%
C000002841 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000002841 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000002841 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000002841 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000002841 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000002841 | Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000002841 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%