v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000028787 | Apple, Inc.___BNY-037833100  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000028787 | Alphabet, Inc.__Class A_BNY-02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000028787 | Amazon.com, Inc.___BNY-023135106  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000028787 | Micron Technology, Inc.___BNY-595112103  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000028787 | NVIDIA Corp.___BNY-67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000028787 | Broadcom, Inc.___BNY-11135F101  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000028787 | JPMorgan Chase & Co.___BNY-46625H100  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000028787 | International Business Machines Corp.___BNY-459200101  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000028787 | Cisco Systems, Inc.___BNY-17275R102  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000028787 | Meta Platforms, Inc.__Class A_BNY-30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000028787 | Other_Portfolio  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000028787 | Investment_SecurityTypeCode_Mutual Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000028787 | Investment_SecurityTypeCode_Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000028787 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.80%
C000028787 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000028787 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000028787 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000028787 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000028787 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000028787 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000028787 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000028787 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000028787 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000028787 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000028787 | Mutual Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000028787 | Other_Sector  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000028788 | Apple, Inc.___BNY-037833100  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000028788 | Alphabet, Inc.__Class A_BNY-02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000028788 | Amazon.com, Inc.___BNY-023135106  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000028788 | Micron Technology, Inc.___BNY-595112103  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000028788 | NVIDIA Corp.___BNY-67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000028788 | Broadcom, Inc.___BNY-11135F101  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000028788 | JPMorgan Chase & Co.___BNY-46625H100  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000028788 | International Business Machines Corp.___BNY-459200101  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000028788 | Cisco Systems, Inc.___BNY-17275R102  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000028788 | Meta Platforms, Inc.__Class A_BNY-30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000028788 | Other_Portfolio  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000028788 | Investment_SecurityTypeCode_Mutual Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000028788 | Investment_SecurityTypeCode_Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000028788 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.80%
C000028788 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000028788 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000028788 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000028788 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000028788 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000028788 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000028788 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000028788 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000028788 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000028788 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000028788 | Mutual Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000028788 | Other_Sector  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000028789 | Apple, Inc.___BNY-037833100  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000028789 | Alphabet, Inc.__Class A_BNY-02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000028789 | Amazon.com, Inc.___BNY-023135106  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000028789 | Micron Technology, Inc.___BNY-595112103  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000028789 | NVIDIA Corp.___BNY-67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000028789 | Broadcom, Inc.___BNY-11135F101  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000028789 | JPMorgan Chase & Co.___BNY-46625H100  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000028789 | International Business Machines Corp.___BNY-459200101  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000028789 | Cisco Systems, Inc.___BNY-17275R102  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000028789 | Meta Platforms, Inc.__Class A_BNY-30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000028789 | Other_Portfolio  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000028789 | Investment_SecurityTypeCode_Mutual Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000028789 | Investment_SecurityTypeCode_Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000028789 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.80%
C000028789 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000028789 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000028789 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000028789 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000028789 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000028789 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000028789 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000028789 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000028789 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000028789 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000028789 | Mutual Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000028789 | Other_Sector  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000074892 | Apple, Inc.___BNY-037833100  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000074892 | Alphabet, Inc.__Class A_BNY-02079K305  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000074892 | Amazon.com, Inc.___BNY-023135106  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000074892 | Micron Technology, Inc.___BNY-595112103  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000074892 | NVIDIA Corp.___BNY-67066G104  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000074892 | Broadcom, Inc.___BNY-11135F101  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000074892 | JPMorgan Chase & Co.___BNY-46625H100  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000074892 | International Business Machines Corp.___BNY-459200101  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000074892 | Cisco Systems, Inc.___BNY-17275R102  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000074892 | Meta Platforms, Inc.__Class A_BNY-30303M102  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000074892 | Other_Portfolio  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000074892 | Investment_SecurityTypeCode_Mutual Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000074892 | Investment_SecurityTypeCode_Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000074892 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 34.80%
C000074892 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000074892 | Communication Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000074892 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000074892 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000074892 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000074892 | Consumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000074892 | Materials  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000074892 | Energy  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000074892 | Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000074892 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000074892 | Mutual Funds  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000074892 | Other_Sector  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)