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Shareholder Report, Holdings (Details)
Oct. 31, 2024
C000002089 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000002089 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000002089 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000002089 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002089 | Bank of America Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002089 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002089 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002089 | Carnival Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002089 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000002089 | Air Products & Chemicals, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000002089 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000002089 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000002089 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000002089 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000002089 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000002089 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000002089 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000002089 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000002089 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000002089 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000002089 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000002089 | Beverages  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000002089 | U.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000002089 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000002089 | Asset-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000002089 | Insurance  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000002089 | Computers  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002089 | Banks  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000002089 | Electric  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000002089 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.00%
C000002089 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.80%
C000002089 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 55.40%
C000002089 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000002089 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000002089 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000002089 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000002089 | AssetForeign Corporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000002089 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000002089 | AssetAsset-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002089 | AssetU.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000002089 | AssetForeign Sovereign Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000002089 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000002089 | AssetCommercial Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000002090 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000002090 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000002090 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000002090 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002090 | Bank of America Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002090 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002090 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002090 | Carnival Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000002090 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000002090 | Air Products & Chemicals, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000002090 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000002090 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000002090 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000002090 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000002090 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000002090 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000002090 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000002090 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000002090 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000002090 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000002090 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000002090 | Beverages  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000002090 | U.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000002090 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000002090 | Asset-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000002090 | Insurance  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000002090 | Computers  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000002090 | Banks  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000002090 | Electric  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000002090 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.00%
C000002090 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.80%
C000002090 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 55.40%
C000002090 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000002090 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000002090 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000002090 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000002090 | AssetForeign Corporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000002090 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000002090 | AssetAsset-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000002090 | AssetU.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000002090 | AssetForeign Sovereign Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000002090 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000002090 | AssetCommercial Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000004802 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004802 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000004802 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004802 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000004802 | Bank of America Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000004802 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000004802 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000004802 | Carnival Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000004802 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000004802 | Air Products & Chemicals, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000004802 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000004802 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000004802 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000004802 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000004802 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000004802 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000004802 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000004802 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000004802 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000004802 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000004802 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000004802 | Beverages  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000004802 | U.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000004802 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000004802 | Asset-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000004802 | Insurance  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000004802 | Computers  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000004802 | Banks  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000004802 | Electric  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000004802 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.00%
C000004802 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.80%
C000004802 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 55.40%
C000004802 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000004802 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000004802 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000004802 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000004802 | AssetForeign Corporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000004802 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000004802 | AssetAsset-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000004802 | AssetU.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000004802 | AssetForeign Sovereign Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000004802 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000004802 | AssetCommercial Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000085576 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000085576 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000085576 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000085576 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000085576 | Bank of America Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000085576 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000085576 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000085576 | Carnival Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000085576 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000085576 | Air Products & Chemicals, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000085576 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000085576 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000085576 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000085576 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000085576 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000085576 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000085576 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000085576 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000085576 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000085576 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000085576 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000085576 | Beverages  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000085576 | U.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000085576 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000085576 | Asset-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000085576 | Insurance  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000085576 | Computers  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000085576 | Banks  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000085576 | Electric  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000085576 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.00%
C000085576 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.80%
C000085576 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 55.40%
C000085576 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000085576 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000085576 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000085576 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000085576 | AssetForeign Corporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000085576 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000085576 | AssetAsset-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000085576 | AssetU.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000085576 | AssetForeign Sovereign Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000085576 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000085576 | AssetCommercial Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000089421 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000089421 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000089421 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000089421 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000089421 | Bank of America Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000089421 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000089421 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000089421 | Carnival Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000089421 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000089421 | Air Products & Chemicals, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000089421 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000089421 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000089421 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000089421 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000089421 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000089421 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000089421 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000089421 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000089421 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000089421 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000089421 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000089421 | Beverages  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000089421 | U.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000089421 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000089421 | Asset-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000089421 | Insurance  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000089421 | Computers  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000089421 | Banks  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000089421 | Electric  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000089421 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.00%
C000089421 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.80%
C000089421 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 55.40%
C000089421 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000089421 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000089421 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000089421 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000089421 | AssetForeign Corporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000089421 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000089421 | AssetAsset-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000089421 | AssetU.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000089421 | AssetForeign Sovereign Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000089421 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000089421 | AssetCommercial Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000092338 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000092338 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000092338 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092338 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092338 | Bank of America Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092338 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092338 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092338 | Carnival Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092338 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000092338 | Air Products & Chemicals, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000092338 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000092338 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000092338 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000092338 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000092338 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000092338 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000092338 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000092338 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000092338 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000092338 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000092338 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 20.30%
C000092338 | Beverages  
Holdings [Line Items]  
Percent of Total Investments 1.90%
C000092338 | U.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000092338 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000092338 | Asset-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 2.60%
C000092338 | Insurance  
Holdings [Line Items]  
Percent of Total Investments 3.00%
C000092338 | Computers  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000092338 | Banks  
Holdings [Line Items]  
Percent of Total Investments 5.40%
C000092338 | Electric  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000092338 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.00%
C000092338 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 26.80%
C000092338 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 55.40%
C000092338 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 11.60%
C000092338 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000092338 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000092338 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000092338 | AssetForeign Corporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000092338 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000092338 | AssetAsset-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000092338 | AssetU.S. Government Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000092338 | AssetForeign Sovereign Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000092338 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000092338 | AssetCommercial Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000002969 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000002969 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000002969 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000002969 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000002969 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000002969 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000002969 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000002969 | JPMorgan Chase & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000002969 | Exxon Mobil Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000002969 | American Express Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000002969 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000002969 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000002969 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000002969 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000002969 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000002969 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000002969 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000002969 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000002969 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000002969 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000002969 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000002969 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.80%
C000002969 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000002969 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000002969 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000002970 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000002970 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000002970 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000002970 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000002970 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000002970 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000002970 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000002970 | JPMorgan Chase & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000002970 | Exxon Mobil Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000002970 | American Express Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000002970 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000002970 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000002970 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000002970 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000002970 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000002970 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000002970 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000002970 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000002970 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000002970 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000002970 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000002970 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.80%
C000002970 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000002970 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000002970 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000004803 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000004803 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000004803 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000004803 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004803 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000004803 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004803 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004803 | JPMorgan Chase & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000004803 | Exxon Mobil Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000004803 | American Express Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004803 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000004803 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000004803 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000004803 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000004803 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000004803 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000004803 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000004803 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000004803 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000004803 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000004803 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000004803 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.80%
C000004803 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000004803 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000004803 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000079122 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000079122 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000079122 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000079122 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000079122 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000079122 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000079122 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000079122 | JPMorgan Chase & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000079122 | Exxon Mobil Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000079122 | American Express Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000079122 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000079122 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000079122 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000079122 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000079122 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000079122 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000079122 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000079122 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000079122 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000079122 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000079122 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000079122 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.80%
C000079122 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000079122 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000079122 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000089422 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000089422 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000089422 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000089422 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000089422 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000089422 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000089422 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000089422 | JPMorgan Chase & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000089422 | Exxon Mobil Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000089422 | American Express Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000089422 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000089422 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000089422 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000089422 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000089422 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000089422 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000089422 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000089422 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000089422 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000089422 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000089422 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000089422 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.80%
C000089422 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000089422 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000089422 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000092339 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000092339 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000092339 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000092339 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092339 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000092339 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092339 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000092339 | JPMorgan Chase & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000092339 | Exxon Mobil Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000092339 | American Express Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092339 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000092339 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000092339 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000092339 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000092339 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000092339 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000092339 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000092339 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000092339 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000092339 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000092339 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000092339 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.80%
C000092339 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000092339 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000092339 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000185590 | Fidelity National Information Services, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000185590 | Comcast Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000185590 | Wells Fargo & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.40%
C000185590 | Entergy Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000185590 | Citigroup, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.80%
C000185590 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000185590 | Elevance Health, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000185590 | JPMorgan Chase & Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000185590 | Exxon Mobil Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.50%
C000185590 | American Express Co.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000185590 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000185590 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000185590 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000185590 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000185590 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000185590 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000185590 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000185590 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 9.80%
C000185590 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000185590 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000185590 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 23.40%
C000185590 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 89.80%
C000185590 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000185590 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000185590 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000004768 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004768 | Columbia Banking System, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004768 | NOV, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000004768 | Greenbrier Cos., Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000004768 | Avnet, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000004768 | Texas Capital Bancshares, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000004768 | Coherent Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000004768 | HA Sustainable Infrastructure Capital, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004768 | Enerpac Tool Group Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004768 | Fluor Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004768 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000004768 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000004768 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000004768 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000004768 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000004768 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000004768 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000004768 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000004768 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000004768 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000004768 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000004768 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000004768 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000004768 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000004768 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000004769 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004769 | Columbia Banking System, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004769 | NOV, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000004769 | Greenbrier Cos., Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000004769 | Avnet, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000004769 | Texas Capital Bancshares, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000004769 | Coherent Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000004769 | HA Sustainable Infrastructure Capital, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004769 | Enerpac Tool Group Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004769 | Fluor Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004769 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000004769 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000004769 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000004769 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000004769 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000004769 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000004769 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000004769 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000004769 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000004769 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000004769 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000004769 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000004769 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000004769 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000004769 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000004770 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004770 | Columbia Banking System, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000004770 | NOV, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000004770 | Greenbrier Cos., Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000004770 | Avnet, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000004770 | Texas Capital Bancshares, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000004770 | Coherent Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000004770 | HA Sustainable Infrastructure Capital, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004770 | Enerpac Tool Group Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004770 | Fluor Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000004770 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000004770 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000004770 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000004770 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000004770 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000004770 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000004770 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000004770 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000004770 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000004770 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000004770 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000004770 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000004770 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000004770 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000004770 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000079123 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000079123 | Columbia Banking System, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000079123 | NOV, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000079123 | Greenbrier Cos., Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000079123 | Avnet, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000079123 | Texas Capital Bancshares, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000079123 | Coherent Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000079123 | HA Sustainable Infrastructure Capital, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000079123 | Enerpac Tool Group Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000079123 | Fluor Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000079123 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000079123 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000079123 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000079123 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000079123 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000079123 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000079123 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000079123 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000079123 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000079123 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000079123 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000079123 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000079123 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000079123 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000079123 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000089424 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000089424 | Columbia Banking System, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000089424 | NOV, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000089424 | Greenbrier Cos., Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000089424 | Avnet, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000089424 | Texas Capital Bancshares, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000089424 | Coherent Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000089424 | HA Sustainable Infrastructure Capital, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000089424 | Enerpac Tool Group Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000089424 | Fluor Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000089424 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000089424 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000089424 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000089424 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000089424 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000089424 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000089424 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000089424 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000089424 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000089424 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000089424 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000089424 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000089424 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000089424 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000089424 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000092341 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092341 | Columbia Banking System, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000092341 | NOV, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000092341 | Greenbrier Cos., Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000092341 | Avnet, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000092341 | Texas Capital Bancshares, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000092341 | Coherent Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000092341 | HA Sustainable Infrastructure Capital, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000092341 | Enerpac Tool Group Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000092341 | Fluor Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000092341 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000092341 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000092341 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000092341 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000092341 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000092341 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000092341 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000092341 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000092341 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000092341 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000092341 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000092341 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000092341 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000092341 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000092341 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000180103 | F5, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000180103 | Columbia Banking System, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.30%
C000180103 | NOV, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.20%
C000180103 | Greenbrier Cos., Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000180103 | Avnet, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000180103 | Texas Capital Bancshares, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000180103 | Coherent Corp.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000180103 | HA Sustainable Infrastructure Capital, Inc.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000180103 | Enerpac Tool Group Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000180103 | Fluor Corp.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000180103 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000180103 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000180103 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000180103 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180103 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000180103 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 12.60%
C000180103 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000180103 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000180103 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000180103 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000180103 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 25.30%
C000180103 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 91.00%
C000180103 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000180103 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000180103 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000004784 | Roche Holding AG__  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000004784 | Reckitt Benckiser Group PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000004784 | British American Tobacco PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000004784 | Samsung Electronics Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000004784 | GSK PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000004784 | Barclays PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000004784 | Sanofi SA__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000004784 | Orange SA__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004784 | RELX PLC__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004784 | ING Groep NV__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004784 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000004784 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000004784 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000004784 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000004784 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000004784 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000004784 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000004784 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000004784 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000004784 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000004784 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000004784 | Italy  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000004784 | Canada  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000004784 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000004784 | Netherlands  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000004784 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000004784 | Germany  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000004784 | Japan  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000004784 | United States  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000004784 | France  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000004784 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 20.10%
C000004784 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000004784 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 82.80%
C000004784 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000004784 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000004784 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000004785 | Roche Holding AG__  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000004785 | Reckitt Benckiser Group PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000004785 | British American Tobacco PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000004785 | Samsung Electronics Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000004785 | GSK PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000004785 | Barclays PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000004785 | Sanofi SA__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000004785 | Orange SA__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004785 | RELX PLC__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004785 | ING Groep NV__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004785 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000004785 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000004785 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000004785 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000004785 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000004785 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000004785 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000004785 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000004785 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000004785 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000004785 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000004785 | Italy  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000004785 | Canada  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000004785 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000004785 | Netherlands  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000004785 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000004785 | Germany  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000004785 | Japan  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000004785 | United States  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000004785 | France  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000004785 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 20.10%
C000004785 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000004785 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 82.80%
C000004785 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000004785 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000004785 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000004786 | Roche Holding AG__  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000004786 | Reckitt Benckiser Group PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000004786 | British American Tobacco PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000004786 | Samsung Electronics Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000004786 | GSK PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000004786 | Barclays PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000004786 | Sanofi SA__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000004786 | Orange SA__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004786 | RELX PLC__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004786 | ING Groep NV__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000004786 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000004786 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000004786 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000004786 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000004786 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000004786 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000004786 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000004786 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000004786 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000004786 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000004786 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000004786 | Italy  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000004786 | Canada  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000004786 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000004786 | Netherlands  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000004786 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000004786 | Germany  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000004786 | Japan  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000004786 | United States  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000004786 | France  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000004786 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 20.10%
C000004786 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000004786 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 82.80%
C000004786 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000004786 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000004786 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000079124 | Roche Holding AG__  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000079124 | Reckitt Benckiser Group PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000079124 | British American Tobacco PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000079124 | Samsung Electronics Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000079124 | GSK PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000079124 | Barclays PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000079124 | Sanofi SA__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000079124 | Orange SA__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000079124 | RELX PLC__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000079124 | ING Groep NV__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000079124 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000079124 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000079124 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000079124 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000079124 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000079124 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000079124 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000079124 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000079124 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000079124 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000079124 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000079124 | Italy  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000079124 | Canada  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000079124 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000079124 | Netherlands  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000079124 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000079124 | Germany  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000079124 | Japan  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000079124 | United States  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000079124 | France  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000079124 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 20.10%
C000079124 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000079124 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 82.80%
C000079124 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000079124 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000079124 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000089428 | Roche Holding AG__  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000089428 | Reckitt Benckiser Group PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000089428 | British American Tobacco PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000089428 | Samsung Electronics Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000089428 | GSK PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000089428 | Barclays PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000089428 | Sanofi SA__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000089428 | Orange SA__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000089428 | RELX PLC__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000089428 | ING Groep NV__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000089428 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000089428 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000089428 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000089428 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000089428 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000089428 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000089428 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000089428 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000089428 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000089428 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000089428 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000089428 | Italy  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000089428 | Canada  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000089428 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000089428 | Netherlands  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000089428 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000089428 | Germany  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000089428 | Japan  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000089428 | United States  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000089428 | France  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000089428 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 20.10%
C000089428 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000089428 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 82.80%
C000089428 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000089428 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000089428 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000092345 | Roche Holding AG__  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000092345 | Reckitt Benckiser Group PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000092345 | British American Tobacco PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000092345 | Samsung Electronics Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000092345 | GSK PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000092345 | Barclays PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000092345 | Sanofi SA__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000092345 | Orange SA__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000092345 | RELX PLC__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000092345 | ING Groep NV__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000092345 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000092345 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000092345 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000092345 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000092345 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000092345 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000092345 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000092345 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000092345 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000092345 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000092345 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000092345 | Italy  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000092345 | Canada  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000092345 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000092345 | Netherlands  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000092345 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000092345 | Germany  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000092345 | Japan  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000092345 | United States  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000092345 | France  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000092345 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 20.10%
C000092345 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000092345 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 82.80%
C000092345 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000092345 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000092345 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000185593 | Roche Holding AG__  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000185593 | Reckitt Benckiser Group PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000185593 | British American Tobacco PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000185593 | Samsung Electronics Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000185593 | GSK PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.20%
C000185593 | Barclays PLC__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000185593 | Sanofi SA__  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000185593 | Orange SA__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000185593 | RELX PLC__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000185593 | ING Groep NV__  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000185593 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000185593 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000185593 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000185593 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000185593 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000185593 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000185593 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000185593 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.50%
C000185593 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000185593 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000185593 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 15.20%
C000185593 | Italy  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000185593 | Canada  
Holdings [Line Items]  
Percent of Total Investments 3.20%
C000185593 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 3.50%
C000185593 | Netherlands  
Holdings [Line Items]  
Percent of Total Investments 4.70%
C000185593 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000185593 | Germany  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000185593 | Japan  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000185593 | United States  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000185593 | France  
Holdings [Line Items]  
Percent of Total Investments 14.20%
C000185593 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 20.10%
C000185593 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000185593 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 82.80%
C000185593 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000185593 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000185593 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000167879 | U.S. Treasury Notes_3.500_2/15/2033  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000167879 | U.S. Treasury Notes_1.875_2/15/2032  
Holdings [Line Items]  
Percent of Total Investments 10.60%
C000167879 | U.S. Treasury Notes_4.000_2/15/2034  
Holdings [Line Items]  
Percent of Total Investments 7.90%
C000167879 | U.S. Treasury Bonds_2.500_2/15/2045  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000167879 | Federal Home Loan Mortgage Corp._4.000_11/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167879 | Federal Home Loan Mortgage Corp._2.500_3/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167879 | Federal Home Loan Mortgage Corp._2.500_4/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167879 | Federal Home Loan Mortgage Corp._4.000_10/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167879 | Federal Home Loan Mortgage Corp._2.500_9/1/2042  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000167879 | Federal National Mortgage Association_3.000_5/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000167879 | Banks  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000167879 | Electric  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000167879 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 44.80%
C000167879 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 47.10%
C000167879 | Media  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000167879 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000167879 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 47.10%
C000167879 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 44.80%
C000167880 | U.S. Treasury Notes_3.500_2/15/2033  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000167880 | U.S. Treasury Notes_1.875_2/15/2032  
Holdings [Line Items]  
Percent of Total Investments 10.60%
C000167880 | U.S. Treasury Notes_4.000_2/15/2034  
Holdings [Line Items]  
Percent of Total Investments 7.90%
C000167880 | U.S. Treasury Bonds_2.500_2/15/2045  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000167880 | Federal Home Loan Mortgage Corp._4.000_11/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167880 | Federal Home Loan Mortgage Corp._2.500_3/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167880 | Federal Home Loan Mortgage Corp._2.500_4/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167880 | Federal Home Loan Mortgage Corp._4.000_10/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167880 | Federal Home Loan Mortgage Corp._2.500_9/1/2042  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000167880 | Federal National Mortgage Association_3.000_5/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000167880 | Banks  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000167880 | Electric  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000167880 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 44.80%
C000167880 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 47.10%
C000167880 | Media  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000167880 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000167880 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 47.10%
C000167880 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 44.80%
C000167881 | U.S. Treasury Notes_3.500_2/15/2033  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000167881 | U.S. Treasury Notes_1.875_2/15/2032  
Holdings [Line Items]  
Percent of Total Investments 10.60%
C000167881 | U.S. Treasury Notes_4.000_2/15/2034  
Holdings [Line Items]  
Percent of Total Investments 7.90%
C000167881 | U.S. Treasury Bonds_2.500_2/15/2045  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000167881 | Federal Home Loan Mortgage Corp._4.000_11/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167881 | Federal Home Loan Mortgage Corp._2.500_3/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167881 | Federal Home Loan Mortgage Corp._2.500_4/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167881 | Federal Home Loan Mortgage Corp._4.000_10/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000167881 | Federal Home Loan Mortgage Corp._2.500_9/1/2042  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000167881 | Federal National Mortgage Association_3.000_5/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000167881 | Banks  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000167881 | Electric  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000167881 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 44.80%
C000167881 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 47.10%
C000167881 | Media  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000167881 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000167881 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 47.10%
C000167881 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 44.80%
C000211731 | U.S. Treasury Notes_3.500_2/15/2033  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000211731 | U.S. Treasury Notes_1.875_2/15/2032  
Holdings [Line Items]  
Percent of Total Investments 10.60%
C000211731 | U.S. Treasury Notes_4.000_2/15/2034  
Holdings [Line Items]  
Percent of Total Investments 7.90%
C000211731 | U.S. Treasury Bonds_2.500_2/15/2045  
Holdings [Line Items]  
Percent of Total Investments 6.40%
C000211731 | Federal Home Loan Mortgage Corp._4.000_11/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000211731 | Federal Home Loan Mortgage Corp._2.500_3/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000211731 | Federal Home Loan Mortgage Corp._2.500_4/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000211731 | Federal Home Loan Mortgage Corp._4.000_10/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000211731 | Federal Home Loan Mortgage Corp._2.500_9/1/2042  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000211731 | Federal National Mortgage Association_3.000_5/1/2052  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000211731 | Banks  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000211731 | Electric  
Holdings [Line Items]  
Percent of Total Investments 2.30%
C000211731 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Total Investments 44.80%
C000211731 | U.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Total Investments 47.10%
C000211731 | Media  
Holdings [Line Items]  
Percent of Total Investments 3.30%
C000211731 | AssetCorporate Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000211731 | AssetU.S. Agency Mortgage-Backed Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 47.10%
C000211731 | AssetU.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 44.80%
C000206039 | Hanwha Aerospace Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000206039 | Telix Pharmaceuticals Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206039 | Jentech Precision Industrial Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206039 | HUB24 Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206039 | Lotus Bakeries NV__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206039 | Yangzijiang Shipbuilding Holdings Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206039 | Van Lanschot Kempen NV__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206039 | LIG Nex1 Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206039 | Qifu Technology, Inc., ADR__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206039 | InPost SA__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206039 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000206039 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000206039 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000206039 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000206039 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000206039 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000206039 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 31.30%
C000206039 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000206039 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000206039 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000206039 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000206039 | Canada  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000206039 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000206039 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000206039 | Japan  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000206039 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000206039 | Sweden  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000206039 | Switzerland  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000206039 | Taiwan  
Holdings [Line Items]  
Percent of Total Investments 7.70%
C000206039 | Australia  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000206039 | India  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000206039 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000206039 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
C000206039 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000206039 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000206039 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000206040 | Hanwha Aerospace Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000206040 | Telix Pharmaceuticals Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206040 | Jentech Precision Industrial Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206040 | HUB24 Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206040 | Lotus Bakeries NV__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206040 | Yangzijiang Shipbuilding Holdings Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206040 | Van Lanschot Kempen NV__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206040 | LIG Nex1 Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206040 | Qifu Technology, Inc., ADR__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206040 | InPost SA__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206040 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000206040 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000206040 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000206040 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000206040 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000206040 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000206040 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 31.30%
C000206040 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000206040 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000206040 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000206040 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000206040 | Canada  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000206040 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000206040 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000206040 | Japan  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000206040 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000206040 | Sweden  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000206040 | Switzerland  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000206040 | Taiwan  
Holdings [Line Items]  
Percent of Total Investments 7.70%
C000206040 | Australia  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000206040 | India  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000206040 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000206040 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
C000206040 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000206040 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000206040 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000206041 | Hanwha Aerospace Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000206041 | Telix Pharmaceuticals Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206041 | Jentech Precision Industrial Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206041 | HUB24 Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206041 | Lotus Bakeries NV__  
Holdings [Line Items]  
Percent of Total Investments 1.00%
C000206041 | Yangzijiang Shipbuilding Holdings Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206041 | Van Lanschot Kempen NV__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206041 | LIG Nex1 Co. Ltd.__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206041 | Qifu Technology, Inc., ADR__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206041 | InPost SA__  
Holdings [Line Items]  
Percent of Total Investments 0.90%
C000206041 | SectorReal Estate  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000206041 | SectorConsumer Staples  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000206041 | SectorMaterials  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000206041 | SectorCommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000206041 | SectorUtilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000206041 | SectorConsumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000206041 | SectorIndustrials  
Holdings [Line Items]  
Percent of Net Asset Value 31.30%
C000206041 | SectorInformation Technology  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000206041 | SectorEnergy  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000206041 | SectorHealth Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000206041 | SectorFinancials  
Holdings [Line Items]  
Percent of Net Asset Value 13.60%
C000206041 | Canada  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000206041 | China, The People's Republic of  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000206041 | Republic Of Korea  
Holdings [Line Items]  
Percent of Total Investments 8.00%
C000206041 | Japan  
Holdings [Line Items]  
Percent of Total Investments 13.20%
C000206041 | United Kingdom  
Holdings [Line Items]  
Percent of Total Investments 5.80%
C000206041 | Sweden  
Holdings [Line Items]  
Percent of Total Investments 3.60%
C000206041 | Switzerland  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000206041 | Taiwan  
Holdings [Line Items]  
Percent of Total Investments 7.70%
C000206041 | Australia  
Holdings [Line Items]  
Percent of Total Investments 9.40%
C000206041 | India  
Holdings [Line Items]  
Percent of Total Investments 11.60%
C000206041 | AssetCommon Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000206041 | AssetForeign Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
C000206041 | AssetInvestment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000206041 | AssetSecurities Lending Collateral  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000206041 | AssetForeign Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%