v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000005036 [Member] | Visa Inc Cl A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [1]
C000005036 [Member] | Meta Platforms Inc Cl A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70% [1]
C000005036 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20% [1]
C000005036 [Member] | Alphabet Inc Cl C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40% [1]
C000005036 [Member] | Eaton Corp PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [1]
C000005036 [Member] | ASML Holding NV [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90% [1]
C000005036 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50% [1]
C000005036 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50% [1]
C000005036 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80% [1]
C000005036 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.20% [1]
C000005036 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000005036 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.30%
C000005036 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000005036 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000005036 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000005036 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000005036 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000005036 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000005036 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000005036 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000005036 [Member] | Net Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000005030 [Member] | Visa Inc Cl A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00% [2]
C000005030 [Member] | Meta Platforms Inc Cl A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70% [2]
C000005030 [Member] | Taiwan Semiconductor Manufacturing Co Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20% [2]
C000005030 [Member] | Alphabet Inc Cl C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40% [2]
C000005030 [Member] | Eaton Corp PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50% [2]
C000005030 [Member] | ASML Holding NV [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90% [2]
C000005030 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50% [2]
C000005030 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.50% [2]
C000005030 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80% [2]
C000005030 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.20% [2]
C000005030 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000005030 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.30%
C000005030 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000005030 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000005030 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000005030 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000005030 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000005030 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000005030 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000005030 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000005030 [Member] | Net Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000005060 [Member] | iShares Russell 2000 Value ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80% [3]
C000005060 [Member] | iShares Russell 2000 ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [3]
C000005060 [Member] | Alignment Healthcare Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [3]
C000005060 [Member] | Gates Industrial Corp PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [3]
C000005060 [Member] | United Community Banks Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50% [3]
C000005060 [Member] | PROG Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [3]
C000005060 [Member] | Bel Fuse Inc Cl B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [3]
C000005060 [Member] | Simmons First National Corp Cl A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [3]
C000005060 [Member] | Cellebrite DI Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [3]
C000005060 [Member] | Columbia Banking System Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30% [3]
C000005060 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000005060 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000005060 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000005060 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000005060 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000005060 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000005060 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000005060 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.80%
C000005060 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000005060 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000005060 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000005060 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000005060 [Member] | Net Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.00%)
C000005061 [Member] | iShares Russell 2000 Value ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80% [4]
C000005061 [Member] | iShares Russell 2000 ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [4]
C000005061 [Member] | Alignment Healthcare Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70% [4]
C000005061 [Member] | Gates Industrial Corp PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [4]
C000005061 [Member] | United Community Banks Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50% [4]
C000005061 [Member] | PROG Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [4]
C000005061 [Member] | Bel Fuse Inc Cl B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [4]
C000005061 [Member] | Simmons First National Corp Cl A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [4]
C000005061 [Member] | Cellebrite DI Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.40% [4]
C000005061 [Member] | Columbia Banking System Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30% [4]
C000005061 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000005061 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000005061 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000005061 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000005061 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000005061 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000005061 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000005061 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.80%
C000005061 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000005061 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000005061 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000005061 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000005061 [Member] | Net Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.00%)
C000005065 [Member] | Alphabet Inc Cl C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50% [5]
C000005065 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10% [5]
C000005065 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80% [5]
C000005065 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00% [5]
C000005065 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.10% [5]
C000005065 [Member] | Texas Instruments Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [5]
C000005065 [Member] | Fifth Third Bancorp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [5]
C000005065 [Member] | Berkshire Hathaway Inc CL B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [5]
C000005065 [Member] | UnitedHealth Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [5]
C000005065 [Member] | JPMorgan Chase And Co [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [5]
C000005065 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000005065 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.60%
C000005065 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000005065 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000005065 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000005065 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000005065 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000005065 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000005065 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000005065 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000005065 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000005065 [Member] | Net Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000005064 [Member] | Alphabet Inc Cl C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50% [6]
C000005064 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.10% [6]
C000005064 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80% [6]
C000005064 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00% [6]
C000005064 [Member] | NVIDIA Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.10% [6]
C000005064 [Member] | Texas Instruments Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20% [6]
C000005064 [Member] | Fifth Third Bancorp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [6]
C000005064 [Member] | Berkshire Hathaway Inc CL B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60% [6]
C000005064 [Member] | UnitedHealth Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90% [6]
C000005064 [Member] | JPMorgan Chase And Co [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00% [6]
C000005064 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000005064 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.60%
C000005064 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000005064 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000005064 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000005064 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000005064 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000005064 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000005064 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000005064 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000005064 [Member] | Investment Companies [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000005064 [Member] | Net Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000005072 [Member] | Net Other Assets and Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000005072 [Member] | US Treasury Notes Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000005072 [Member] | US Treasury Bill Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.00%
C000005072 [Member] | Repurchase Agreements [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 45.00%
C000005072 [Member] | US Government Corporations and Agencies Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000005072 [Member] | U S Treasury Floating Rate Notes [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
[1] Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
[2] Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
[3] Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
[4] Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
[5] Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.
[6] Excludes money market funds or other short-term securities held for the investment of cash and cash collateral for securities loaned, if any.