v3.25.2
Shareholder Report, Holdings (Details)
Jun. 30, 2025
C000241081 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.10%
C000241081 [Member] | Texas Private Activity Bond Surface Transportation Corp 5 000 06 30 58 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000241081 [Member] | Rhode Island Health and Educational Building Corp 5 250 05 15 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000241081 [Member] | Pennsylvania Higher Educational Facilities Authority Series B2 5 000 11 01 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000241081 [Member] | County of Jefferson Sewer Revenue 5 500 10 01 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000241081 [Member] | Pennsylvania Economic Development Financing Authority 5 000 12 31 57 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000241081 [Member] | Massachusetts Development Finance Agency 5 250 07 01 52 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000241081 [Member] | Massachusetts Development Finance Agency 5 250 07 01 55 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000241081 [Member] | Orange County Health Facilities Authority Series A 5 250 10 01 56 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000241081 [Member] | Metropolitan Transportation Authority Series 1 4 750 11 15 45 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000241081 [Member] | Columbus Regional Airport Authority Series A 5 500 01 01 55 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000241081 [Member] | Aaa AAA [Member]  
Holdings [Line Items]  
Percent of Total Investments 3.10%
C000241081 [Member] | Aa AA [Member]  
Holdings [Line Items]  
Percent of Total Investments 21.40%
C000241081 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 34.50%
C000241081 [Member] | Baa BBB [Member]  
Holdings [Line Items]  
Percent of Total Investments 33.10%
C000241081 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000241081 [Member] | Ba BB [Member]  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000241081 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000241081 [Member] | Water [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000241081 [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
C000241081 [Member] | Medical [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.40%
C000241081 [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000241081 [Member] | Airport [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000241081 [Member] | Development [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000241081 [Member] | Tobacco Settlement [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000241081 [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000241081 [Member] | Power [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000241081 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000241081 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (1.60%)
C000241081 [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000261130 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
C000261130 [Member] | FHLMC 6 000 10 01 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000261130 [Member] | FNMA 5 500 07 01 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000261130 [Member] | Freddie Mac Multifamily Structured Pass Through Certificates Class A2 4 500 07 25 33 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000261130 [Member] | U S Treasury Notes 4 250 11 15 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000261130 [Member] | FNMA 2 500 11 01 51 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000261130 [Member] | FNMA 4 000 06 01 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000261130 [Member] | FHLMC 5 500 02 01 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000261130 [Member] | FNMA 5 000 01 01 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000261130 [Member] | Freddie Mac Multifamily Structured Pass Through Certificates Class A2 1 658 12 25 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000261130 [Member] | FHLMC 3 500 06 01 49 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000261130 [Member] | Aaa AAA [Member]  
Holdings [Line Items]  
Percent of Total Investments 11.50%
C000261130 [Member] | Aa AA [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.40%
C000261130 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000261130 [Member] | US Government Corporations and Agencies Securities Quality [Member]  
Holdings [Line Items]  
Percent of Total Investments 87.60%
C000261130 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000261130 [Member] | Asset-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000261130 [Member] | Collateralized Mortgage-Backed Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000261130 [Member] | US Government Corporations and Agencies Securities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 86.40%
C000261130 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000142968 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 51.30%
C000142968 [Member] | Omni Bridgeway Ltd Australia [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000142968 [Member] | Arrow Exploration Corp Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000142968 [Member] | Total Energy Services Inc Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000142968 [Member] | Italian Wine Brands S p A Italy [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000142968 [Member] | Macfarlane Group PLC United Kingdom [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000142968 [Member] | Legacy Housing Corp United States [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000142968 [Member] | Fila S p A Italy [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000142968 [Member] | Brickability Group PLC United Kingdom [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000142968 [Member] | Texhong International Group Ltd Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000142968 [Member] | U Haul Holding Co Non Voting Shares United States [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000142968 [Member] | All Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80%
C000142968 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000142968 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000142968 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000142968 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000142968 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000142968 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.30%
C000142968 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000142968 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000142968 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000142968 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000142968 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 15.00%
C000142968 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 16.20%
C000142968 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000142968 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 8.60%
C000142968 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000142968 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 10.00%
C000142968 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 14.70%
C000142968 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000142968 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000142968 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000142968 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000142969 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 51.30%
C000142969 [Member] | Omni Bridgeway Ltd Australia [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000142969 [Member] | Arrow Exploration Corp Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000142969 [Member] | Total Energy Services Inc Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000142969 [Member] | Italian Wine Brands S p A Italy [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000142969 [Member] | Macfarlane Group PLC United Kingdom [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000142969 [Member] | Legacy Housing Corp United States [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000142969 [Member] | Fila S p A Italy [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000142969 [Member] | Brickability Group PLC United Kingdom [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000142969 [Member] | Texhong International Group Ltd Hong Kong [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000142969 [Member] | U Haul Holding Co Non Voting Shares United States [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000142969 [Member] | All Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 7.80%
C000142969 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000142969 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000142969 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000142969 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000142969 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000142969 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.30%
C000142969 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000142969 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000142969 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000142969 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000142969 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 15.00%
C000142969 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 16.20%
C000142969 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000142969 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 8.60%
C000142969 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000142969 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 10.00%
C000142969 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 14.70%
C000142969 [Member] | SINGAPORE  
Holdings [Line Items]  
Percent of Total Investments 4.00%
C000142969 [Member] | HONG KONG  
Holdings [Line Items]  
Percent of Total Investments 4.10%
C000142969 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000142969 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000122075 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000122075 [Member] | Azbil Corp Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000122075 [Member] | Sopra Steria Group France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000122075 [Member] | KDX Realty Investment Corp REIT Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000122075 [Member] | Daiei Kankyo Co Ltd Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000122075 [Member] | Organo Corp Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000122075 [Member] | Alm Brand A S Denmark [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000122075 [Member] | Greencore Group PLC Ireland [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000122075 [Member] | Siegfried Holding AG Switzerland [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000122075 [Member] | Piraeus Financial Holdings S A Greece [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000122075 [Member] | ABC Mart Inc Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000122075 [Member] | All Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.30%
C000122075 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000122075 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.50%
C000122075 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000122075 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000122075 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000122075 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000122075 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000122075 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000122075 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000122075 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000122075 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000122075 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 7.10%
C000122075 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000122075 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 35.60%
C000122075 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000122075 [Member] | DENMARK  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000122075 [Member] | GREECE  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000122075 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000122075 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000122075 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000122075 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000122075 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.40%)
C000122076 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000122076 [Member] | Azbil Corp Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000122076 [Member] | Sopra Steria Group France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000122076 [Member] | KDX Realty Investment Corp REIT Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000122076 [Member] | Daiei Kankyo Co Ltd Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000122076 [Member] | Organo Corp Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000122076 [Member] | Alm Brand A S Denmark [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000122076 [Member] | Greencore Group PLC Ireland [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000122076 [Member] | Siegfried Holding AG Switzerland [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000122076 [Member] | Piraeus Financial Holdings S A Greece [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000122076 [Member] | ABC Mart Inc Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000122076 [Member] | All Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.30%
C000122076 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000122076 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.50%
C000122076 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000122076 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000122076 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000122076 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000122076 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000122076 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000122076 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000122076 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000122076 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000122076 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 7.10%
C000122076 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000122076 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 35.60%
C000122076 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000122076 [Member] | DENMARK  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000122076 [Member] | GREECE  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000122076 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000122076 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000122076 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000122076 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000122076 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.40%)
C000180071 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.20%
C000180071 [Member] | Azbil Corp Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000180071 [Member] | Sopra Steria Group France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000180071 [Member] | KDX Realty Investment Corp REIT Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000180071 [Member] | Daiei Kankyo Co Ltd Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180071 [Member] | Organo Corp Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180071 [Member] | Alm Brand A S Denmark [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180071 [Member] | Greencore Group PLC Ireland [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000180071 [Member] | Siegfried Holding AG Switzerland [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000180071 [Member] | Piraeus Financial Holdings S A Greece [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180071 [Member] | ABC Mart Inc Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180071 [Member] | All Other [Member]  
Holdings [Line Items]  
Percent of Total Investments 16.30%
C000180071 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000180071 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 28.50%
C000180071 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000180071 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000180071 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000180071 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000180071 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000180071 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000180071 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000180071 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000180071 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000180071 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 7.10%
C000180071 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000180071 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 35.60%
C000180071 [Member] | AUSTRALIA  
Holdings [Line Items]  
Percent of Total Investments 5.50%
C000180071 [Member] | DENMARK  
Holdings [Line Items]  
Percent of Total Investments 5.00%
C000180071 [Member] | GREECE  
Holdings [Line Items]  
Percent of Total Investments 3.70%
C000180071 [Member] | ITALY  
Holdings [Line Items]  
Percent of Total Investments 5.30%
C000180071 [Member] | SPAIN  
Holdings [Line Items]  
Percent of Total Investments 4.90%
C000180071 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 12.70%
C000180071 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000180071 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.40%)
C000176472 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 54.10%
C000176472 [Member] | Total Energy Services Inc Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000176472 [Member] | Samsung Electronics Co Ltd 2 870 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000176472 [Member] | Hyundai Mobis Co Ltd South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000176472 [Member] | Canadian Natural Resources Ltd Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000176472 [Member] | Hyundai Motor Co 7 940 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000176472 [Member] | Bollore SE France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000176472 [Member] | HI LEX Corp Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000176472 [Member] | Cie de L Odet SE France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000176472 [Member] | LG H And H Co Ltd 2 720 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000176472 [Member] | Samsung C And T Corp South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000176472 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000176472 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
C000176472 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000176472 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
C000176472 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000176472 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
C000176472 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000176472 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000176472 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000176472 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000176472 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 10.10%
C000176472 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 37.00%
C000176472 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 15.20%
C000176472 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000176472 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000176472 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000176472 [Member] | BERMUDA  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000176472 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000176472 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000176472 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000176471 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 54.10%
C000176471 [Member] | Total Energy Services Inc Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000176471 [Member] | Samsung Electronics Co Ltd 2 870 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000176471 [Member] | Hyundai Mobis Co Ltd South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000176471 [Member] | Canadian Natural Resources Ltd Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000176471 [Member] | Hyundai Motor Co 7 940 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000176471 [Member] | Bollore SE France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000176471 [Member] | HI LEX Corp Japan [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000176471 [Member] | Cie de L Odet SE France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000176471 [Member] | LG H And H Co Ltd 2 720 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000176471 [Member] | Samsung C And T Corp South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000176471 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000176471 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.40%
C000176471 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000176471 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.30%
C000176471 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.10%
C000176471 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.40%
C000176471 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000176471 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000176471 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000176471 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 10.40%
C000176471 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 10.10%
C000176471 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 37.00%
C000176471 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 15.20%
C000176471 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000176471 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 22.40%
C000176471 [Member] | UNITED KINGDOM  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000176471 [Member] | BERMUDA  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000176471 [Member] | MALAYSIA  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000176471 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000176471 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000180072 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000180072 [Member] | API Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000180072 [Member] | CyberArk Software Ltd Israel [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000180072 [Member] | Comfort Systems USA Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000180072 [Member] | Performance Food Group Co [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180072 [Member] | Piper Sandler Cos [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000180072 [Member] | Texas Roadhouse Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000180072 [Member] | MACOM Technology Solutions Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000180072 [Member] | RBC Bearings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000180072 [Member] | Gates Industrial Corp PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000180072 [Member] | Federal Signal Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000180072 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000180072 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000180072 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000180072 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000180072 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000180072 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000180072 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000180072 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180072 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000180072 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000180072 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000180072 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000157694 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000157694 [Member] | API Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000157694 [Member] | CyberArk Software Ltd Israel [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000157694 [Member] | Comfort Systems USA Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000157694 [Member] | Performance Food Group Co [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000157694 [Member] | Piper Sandler Cos [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157694 [Member] | Texas Roadhouse Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157694 [Member] | MACOM Technology Solutions Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157694 [Member] | RBC Bearings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157694 [Member] | Gates Industrial Corp PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000157694 [Member] | Federal Signal Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000157694 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000157694 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000157694 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000157694 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000157694 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000157694 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000157694 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000157694 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000157694 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000157694 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000157694 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000157694 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000157696 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.90%
C000157696 [Member] | API Group Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000157696 [Member] | CyberArk Software Ltd Israel [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000157696 [Member] | Comfort Systems USA Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000157696 [Member] | Performance Food Group Co [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000157696 [Member] | Piper Sandler Cos [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157696 [Member] | Texas Roadhouse Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157696 [Member] | MACOM Technology Solutions Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157696 [Member] | RBC Bearings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000157696 [Member] | Gates Industrial Corp PLC [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000157696 [Member] | Federal Signal Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000157696 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000157696 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000157696 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000157696 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000157696 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000157696 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000157696 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.50%
C000157696 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000157696 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000157696 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000157696 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000157696 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000077267 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000077267 [Member] | Louisiana Stadium And Exposition District Series A 5 000 07 01 42 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000077267 [Member] | Great Lakes Water Authority Sewage Disposal System Revenue Series B 5 000 07 01 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000077267 [Member] | Florida Development Finance Corp Revenue 4 000 11 15 33 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077267 [Member] | State of Illinois Series B 5 000 05 01 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077267 [Member] | Iowa Finance Authority State Revolving Fund Green Bond 5 000 08 01 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077267 [Member] | New York Transportation Development Corp 5 000 12 01 36 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077267 [Member] | State Board of Administration Finance Corp Series A 5 526 07 01 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077267 [Member] | Chicago O Hare International Airport Senior Lien Series A Revenue 5 000 01 01 36 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077267 [Member] | New York State Dormitory Authority Series A 5 000 03 15 41 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077267 [Member] | Illinois State Toll Highway Authority Senior Revenue Series A Revenue 5 000 12 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077267 [Member] | Aaa AAA [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000077267 [Member] | Aa AA [Member]  
Holdings [Line Items]  
Percent of Total Investments 54.90%
C000077267 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 27.40%
C000077267 [Member] | Baa BBB [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.00%
C000077267 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000077267 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000077267 [Member] | Water [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000077267 [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000077267 [Member] | Medical [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000077267 [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000077267 [Member] | Airport [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000077267 [Member] | Development [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000077267 [Member] | Tobacco Settlement [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000077267 [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000077267 [Member] | Power [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000077267 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000077267 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000077267 [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 36.70%
C000077269 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000077269 [Member] | Louisiana Stadium And Exposition District Series A 5 000 07 01 42 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000077269 [Member] | Great Lakes Water Authority Sewage Disposal System Revenue Series B 5 000 07 01 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000077269 [Member] | Florida Development Finance Corp Revenue 4 000 11 15 33 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077269 [Member] | State of Illinois Series B 5 000 05 01 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077269 [Member] | Iowa Finance Authority State Revolving Fund Green Bond 5 000 08 01 30 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077269 [Member] | New York Transportation Development Corp 5 000 12 01 36 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077269 [Member] | State Board of Administration Finance Corp Series A 5 526 07 01 34 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077269 [Member] | Chicago O Hare International Airport Senior Lien Series A Revenue 5 000 01 01 36 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077269 [Member] | New York State Dormitory Authority Series A 5 000 03 15 41 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077269 [Member] | Illinois State Toll Highway Authority Senior Revenue Series A Revenue 5 000 12 01 31 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000077269 [Member] | Aaa AAA [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.70%
C000077269 [Member] | Aa AA [Member]  
Holdings [Line Items]  
Percent of Total Investments 54.90%
C000077269 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 27.40%
C000077269 [Member] | Baa BBB [Member]  
Holdings [Line Items]  
Percent of Total Investments 9.00%
C000077269 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.00%
C000077269 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000077269 [Member] | Water [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000077269 [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000077269 [Member] | Medical [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000077269 [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000077269 [Member] | Airport [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000077269 [Member] | Development [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000077269 [Member] | Tobacco Settlement [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000077269 [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000077269 [Member] | Power [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000077269 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000077269 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000077269 [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 36.70%
C000077272 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000077272 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000077272 [Member] | Broadcom Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000077272 [Member] | Netflix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000077272 [Member] | Amphenol Corp Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000077272 [Member] | Alphabet Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000077272 [Member] | Jabil Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000077272 [Member] | Royal Caribbean Cruises Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000077272 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000077272 [Member] | Meta Platforms Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000077272 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000077272 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000077272 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000077272 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.20%
C000077272 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000077272 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000077272 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000077272 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000077272 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000077272 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000077272 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000077272 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000077271 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000077271 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000077271 [Member] | Broadcom Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000077271 [Member] | Netflix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000077271 [Member] | Amphenol Corp Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000077271 [Member] | Alphabet Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000077271 [Member] | Jabil Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000077271 [Member] | Royal Caribbean Cruises Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000077271 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000077271 [Member] | Meta Platforms Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000077271 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000077271 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000077271 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000077271 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.20%
C000077271 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000077271 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000077271 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000077271 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000077271 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000077271 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000077271 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000077271 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000077270 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000077270 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000077270 [Member] | Broadcom Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000077270 [Member] | Netflix Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000077270 [Member] | Amphenol Corp Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000077270 [Member] | Alphabet Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000077270 [Member] | Jabil Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000077270 [Member] | Royal Caribbean Cruises Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000077270 [Member] | Apple Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000077270 [Member] | Meta Platforms Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000077270 [Member] | Amazon com Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000077270 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000077270 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000077270 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 38.20%
C000077270 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000077270 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000077270 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.00%
C000077270 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000077270 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000077270 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000077270 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000077270 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000115981 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 41.80%
C000115981 [Member] | The Procter And Gamble Co [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000115981 [Member] | Cognizant Technology Solutions Corp Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000115981 [Member] | U Haul Holding Co Non Voting Shares [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000115981 [Member] | Reliance Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000115981 [Member] | Samsung Electronics Co Ltd 2 870 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115981 [Member] | Hyundai Mobis Co Ltd South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115981 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000115981 [Member] | Canadian Natural Resources Ltd Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000115981 [Member] | The Charles Schwab Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000115981 [Member] | Bollore SE France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000115981 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115981 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000115981 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000115981 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000115981 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000115981 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000115981 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000115981 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000115981 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000115981 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000115981 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 67.00%
C000115981 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 5.90%
C000115981 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 16.40%
C000115981 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 9.10%
C000115981 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000115981 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000115981 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000115979 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 54.40%
C000115979 [Member] | U Haul Holding Co Non Voting Shares [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000115979 [Member] | Samsung Electronics Co Ltd 2 870 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000115979 [Member] | Hyundai Mobis Co Ltd South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000115979 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000115979 [Member] | Canadian Natural Resources Ltd Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000115979 [Member] | KT And G Corp South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115979 [Member] | The Charles Schwab Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115979 [Member] | Fox Corp Class B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115979 [Member] | Hyundai Motor Co 7 940 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000115979 [Member] | Bollore SE France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000115979 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000115979 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000115979 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000115979 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000115979 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000115979 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000115979 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115979 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000115979 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000115979 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 45.60%
C000115979 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000115979 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 30.20%
C000115979 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 11.70%
C000115979 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000115979 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000115979 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000115979 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000115979 [Member] | Derivative [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000115978 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 54.40%
C000115978 [Member] | U Haul Holding Co Non Voting Shares [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000115978 [Member] | Samsung Electronics Co Ltd 2 870 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000115978 [Member] | Hyundai Mobis Co Ltd South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000115978 [Member] | Microsoft Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000115978 [Member] | Canadian Natural Resources Ltd Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000115978 [Member] | KT And G Corp South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115978 [Member] | The Charles Schwab Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115978 [Member] | Fox Corp Class B [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115978 [Member] | Hyundai Motor Co 7 940 South Korea [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000115978 [Member] | Bollore SE France [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000115978 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000115978 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000115978 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000115978 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000115978 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 14.10%
C000115978 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000115978 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000115978 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000115978 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000115978 [Member] | UNITED STATES  
Holdings [Line Items]  
Percent of Total Investments 45.60%
C000115978 [Member] | CANADA  
Holdings [Line Items]  
Percent of Total Investments 9.20%
C000115978 [Member] | KOREA, REPUBLIC OF  
Holdings [Line Items]  
Percent of Total Investments 30.20%
C000115978 [Member] | FRANCE  
Holdings [Line Items]  
Percent of Total Investments 11.70%
C000115978 [Member] | GERMANY  
Holdings [Line Items]  
Percent of Total Investments 1.60%
C000115978 [Member] | JAPAN  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000115978 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000115978 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000115978 [Member] | Derivative [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000056573 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000056573 [Member] | TTM Technologies Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000056573 [Member] | Federal Agricultural Mortgage Corp Class C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000056573 [Member] | Integer Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000056573 [Member] | Independence Realty Trust Inc REIT [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000056573 [Member] | Solaris Energy Infrastructure Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000056573 [Member] | Ameris Bancorp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000056573 [Member] | Selective Insurance Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000056573 [Member] | International Bancshares Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000056573 [Member] | IMAX Corp Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000056573 [Member] | Group 1 Automotive Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000056573 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000056573 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000056573 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000056573 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000056573 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000056573 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000056573 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.70%
C000056573 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000056573 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000056573 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000056573 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000056573 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000056573 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.10%)
C000180067 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000180067 [Member] | TTM Technologies Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000180067 [Member] | Federal Agricultural Mortgage Corp Class C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000180067 [Member] | Integer Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000180067 [Member] | Independence Realty Trust Inc REIT [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180067 [Member] | Solaris Energy Infrastructure Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000180067 [Member] | Ameris Bancorp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180067 [Member] | Selective Insurance Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180067 [Member] | International Bancshares Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000180067 [Member] | IMAX Corp Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000180067 [Member] | Group 1 Automotive Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000180067 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000180067 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000180067 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000180067 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000180067 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000180067 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000180067 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.70%
C000180067 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000180067 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000180067 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000180067 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000180067 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000180067 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.10%)
C000180068 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000180068 [Member] | TTM Technologies Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000180068 [Member] | Federal Agricultural Mortgage Corp Class C [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000180068 [Member] | Integer Holdings Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000180068 [Member] | Independence Realty Trust Inc REIT [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180068 [Member] | Solaris Energy Infrastructure Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000180068 [Member] | Ameris Bancorp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180068 [Member] | Selective Insurance Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180068 [Member] | International Bancshares Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000180068 [Member] | IMAX Corp Canada [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000180068 [Member] | Group 1 Automotive Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000180068 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000180068 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000180068 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000180068 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000180068 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000180068 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000180068 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 29.70%
C000180068 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000180068 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000180068 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000180068 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000180068 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000180068 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (2.10%)
C000027324 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.80%
C000027324 [Member] | Insmed Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000027324 [Member] | Regal Rexnord Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000027324 [Member] | Victory Capital Holdings Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000027324 [Member] | Esab Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027324 [Member] | iShares Russell 2000 Growth ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027324 [Member] | Addus HomeCare Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027324 [Member] | BJ s Wholesale Club Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000027324 [Member] | JFrog Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000027324 [Member] | Safety Insurance Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027324 [Member] | Casella Waste Systems Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000027324 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.80%
C000027324 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000027324 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000027324 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000027324 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000027324 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000027324 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
C000027324 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000027324 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000027324 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (4.30%)
C000027324 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027325 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.80%
C000027325 [Member] | Insmed Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000027325 [Member] | Regal Rexnord Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000027325 [Member] | Victory Capital Holdings Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000027325 [Member] | Esab Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027325 [Member] | iShares Russell 2000 Growth ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027325 [Member] | Addus HomeCare Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027325 [Member] | BJ s Wholesale Club Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000027325 [Member] | JFrog Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000027325 [Member] | Safety Insurance Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027325 [Member] | Casella Waste Systems Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000027325 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.80%
C000027325 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000027325 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000027325 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000027325 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000027325 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000027325 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
C000027325 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000027325 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000027325 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (4.30%)
C000027325 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180066 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.80%
C000180066 [Member] | Insmed Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000180066 [Member] | Regal Rexnord Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180066 [Member] | Victory Capital Holdings Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000180066 [Member] | Esab Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180066 [Member] | iShares Russell 2000 Growth ETF [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180066 [Member] | Addus HomeCare Corp [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180066 [Member] | BJ s Wholesale Club Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000180066 [Member] | JFrog Ltd [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000180066 [Member] | Safety Insurance Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000180066 [Member] | Casella Waste Systems Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000180066 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 31.80%
C000180066 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000180066 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000180066 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000180066 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000180066 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000180066 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
C000180066 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000180066 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000180066 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (4.30%)
C000180066 [Member] | Exchange Traded Funds [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000027323 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.60%
C000027323 [Member] | CyberArk Software Ltd Israel [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000027323 [Member] | Cencora Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000027323 [Member] | HubSpot Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000027323 [Member] | EMCOR Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000027323 [Member] | Veeva Systems Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000027323 [Member] | Cheniere Energy Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000027323 [Member] | Verisk Analytics Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000027323 [Member] | Axon Enterprise Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000027323 [Member] | IDEXX Laboratories Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000027323 [Member] | Monolithic Power Systems Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000027323 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000027323 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000027323 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000027323 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000027323 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000027323 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000027323 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000027323 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000027323 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000027323 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000027323 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000027323 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000027322 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.60%
C000027322 [Member] | CyberArk Software Ltd Israel [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000027322 [Member] | Cencora Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000027322 [Member] | HubSpot Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000027322 [Member] | EMCOR Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000027322 [Member] | Veeva Systems Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000027322 [Member] | Cheniere Energy Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000027322 [Member] | Verisk Analytics Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000027322 [Member] | Axon Enterprise Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000027322 [Member] | IDEXX Laboratories Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000027322 [Member] | Monolithic Power Systems Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000027322 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000027322 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000027322 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000027322 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000027322 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000027322 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000027322 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000027322 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000027322 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000027322 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000027322 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000027322 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000180065 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 24.60%
C000180065 [Member] | CyberArk Software Ltd Israel [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000180065 [Member] | Cencora Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000180065 [Member] | HubSpot Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000180065 [Member] | EMCOR Group Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000180065 [Member] | Veeva Systems Inc Class A [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000180065 [Member] | Cheniere Energy Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000180065 [Member] | Verisk Analytics Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180065 [Member] | Axon Enterprise Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000180065 [Member] | IDEXX Laboratories Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000180065 [Member] | Monolithic Power Systems Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000180065 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000180065 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 22.00%
C000180065 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.70%
C000180065 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000180065 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180065 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000180065 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000180065 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000180065 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000180065 [Member] | Communications Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000180065 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000180065 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000069910 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000069910 [Member] | Texas Roadhouse Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000069910 [Member] | MACOM Technology Solutions Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000069910 [Member] | RBC Bearings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000069910 [Member] | Houlihan Lokey Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000069910 [Member] | Sterling Infrastructure Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000069910 [Member] | STAG Industrial Inc REIT [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000069910 [Member] | CBIZ Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000069910 [Member] | Intapp Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000069910 [Member] | SPX Technologies Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000069910 [Member] | Silgan Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000069910 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000069910 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000069910 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000069910 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000069910 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000069910 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000069910 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000069910 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000069910 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
C000069910 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000069910 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000069910 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000180069 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.00%
C000180069 [Member] | Texas Private Activity Bond Surface Transportation Corp 5 000 06 30 58 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000180069 [Member] | Public Authority for Colorado Energy Natural Gas Purchase Revenue 6 500 11 15 38 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000180069 [Member] | Richland County School District No 2 Series A 1 875 03 01 38 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000180069 [Member] | Pennsylvania Economic Development Financing Authority 5 250 06 30 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000180069 [Member] | Central Plains Energy Project 3 Series A 5 000 09 01 42 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000180069 [Member] | City of Chattanooga Electric 2 000 09 01 40 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000180069 [Member] | New York Transportation Development Corp 4 000 04 30 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000180069 [Member] | Rhode Island Health and Educational Building Corp 5 250 05 15 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000180069 [Member] | Escambia County Health Facilities Authority 4 000 08 15 50 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000180069 [Member] | New York Transportation Development Corp 5 625 04 01 40 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000180069 [Member] | Aa AA [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.50%
C000180069 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.50%
C000180069 [Member] | Baa BBB [Member]  
Holdings [Line Items]  
Percent of Total Investments 55.60%
C000180069 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000180069 [Member] | Ba BB [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000180069 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000180069 [Member] | Water [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000180069 [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000180069 [Member] | Medical [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000180069 [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000180069 [Member] | Airport [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000180069 [Member] | Development [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000180069 [Member] | Tobacco Settlement [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000180069 [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000180069 [Member] | Power [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000180069 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000180069 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000180069 [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
C000069911 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000069911 [Member] | Texas Roadhouse Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000069911 [Member] | MACOM Technology Solutions Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000069911 [Member] | RBC Bearings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000069911 [Member] | Houlihan Lokey Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000069911 [Member] | Sterling Infrastructure Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000069911 [Member] | STAG Industrial Inc REIT [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000069911 [Member] | CBIZ Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000069911 [Member] | Intapp Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000069911 [Member] | SPX Technologies Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000069911 [Member] | Silgan Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000069911 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000069911 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000069911 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000069911 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000069911 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000069911 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000069911 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000069911 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000069911 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
C000069911 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000069911 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000069911 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000180070 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000180070 [Member] | Texas Roadhouse Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000180070 [Member] | MACOM Technology Solutions Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180070 [Member] | RBC Bearings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000180070 [Member] | Houlihan Lokey Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000180070 [Member] | Sterling Infrastructure Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000180070 [Member] | STAG Industrial Inc REIT [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000180070 [Member] | CBIZ Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000180070 [Member] | Intapp Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000180070 [Member] | SPX Technologies Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000180070 [Member] | Silgan Holdings Inc [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000180070 [Member] | Materials Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000180070 [Member] | Industrial Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000180070 [Member] | Information Technology Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000180070 [Member] | Consumer Discretionary Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000180070 [Member] | Consumer Staples Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000180070 [Member] | Energy Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000180070 [Member] | Financial Services Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000180070 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000180070 [Member] | Healthcare Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 17.50%
C000180070 [Member] | Real Estate Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000180070 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000180070 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value (0.10%)
C000078885 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.00%
C000078885 [Member] | Texas Private Activity Bond Surface Transportation Corp 5 000 06 30 58 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000078885 [Member] | Public Authority for Colorado Energy Natural Gas Purchase Revenue 6 500 11 15 38 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000078885 [Member] | Richland County School District No 2 Series A 1 875 03 01 38 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000078885 [Member] | Pennsylvania Economic Development Financing Authority 5 250 06 30 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000078885 [Member] | Central Plains Energy Project 3 Series A 5 000 09 01 42 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000078885 [Member] | City of Chattanooga Electric 2 000 09 01 40 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000078885 [Member] | New York Transportation Development Corp 4 000 04 30 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000078885 [Member] | Rhode Island Health and Educational Building Corp 5 250 05 15 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000078885 [Member] | Escambia County Health Facilities Authority 4 000 08 15 50 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000078885 [Member] | New York Transportation Development Corp 5 625 04 01 40 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000078885 [Member] | Aa AA [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.50%
C000078885 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.50%
C000078885 [Member] | Baa BBB [Member]  
Holdings [Line Items]  
Percent of Total Investments 55.60%
C000078885 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000078885 [Member] | Ba BB [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000078885 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000078885 [Member] | Water [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000078885 [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000078885 [Member] | Medical [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000078885 [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000078885 [Member] | Airport [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000078885 [Member] | Development [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000078885 [Member] | Tobacco Settlement [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000078885 [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000078885 [Member] | Power [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000078885 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000078885 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000078885 [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%
C000069909 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 30.00%
C000069909 [Member] | Texas Private Activity Bond Surface Transportation Corp 5 000 06 30 58 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000069909 [Member] | Public Authority for Colorado Energy Natural Gas Purchase Revenue 6 500 11 15 38 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000069909 [Member] | Richland County School District No 2 Series A 1 875 03 01 38 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000069909 [Member] | Pennsylvania Economic Development Financing Authority 5 250 06 30 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000069909 [Member] | Central Plains Energy Project 3 Series A 5 000 09 01 42 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000069909 [Member] | City of Chattanooga Electric 2 000 09 01 40 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000069909 [Member] | New York Transportation Development Corp 4 000 04 30 53 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000069909 [Member] | Rhode Island Health and Educational Building Corp 5 250 05 15 54 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000069909 [Member] | Escambia County Health Facilities Authority 4 000 08 15 50 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000069909 [Member] | New York Transportation Development Corp 5 625 04 01 40 [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000069909 [Member] | Aa AA [Member]  
Holdings [Line Items]  
Percent of Total Investments 10.50%
C000069909 [Member] | A [Member]  
Holdings [Line Items]  
Percent of Total Investments 25.50%
C000069909 [Member] | Baa BBB [Member]  
Holdings [Line Items]  
Percent of Total Investments 55.60%
C000069909 [Member] | Not Rated [Member]  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000069909 [Member] | Ba BB [Member]  
Holdings [Line Items]  
Percent of Total Investments 6.30%
C000069909 [Member] | Utilities Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000069909 [Member] | Water [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000069909 [Member] | Transportation Sector [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 16.20%
C000069909 [Member] | Medical [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 27.40%
C000069909 [Member] | Education [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000069909 [Member] | Airport [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000069909 [Member] | Development [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 6.80%
C000069909 [Member] | Tobacco Settlement [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000069909 [Member] | Housing [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000069909 [Member] | Power [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000069909 [Member] | Short-Term Investments [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000069909 [Member] | Other Assets less Liabilities [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000069909 [Member] | General Obligation [Member]  
Holdings [Line Items]  
Percent of Net Asset Value 15.90%