v3.26.1
Shareholder Report, Holdings (Details)
Mar. 31, 2026
C000105122 | Allison Transmission Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000105122 | UGI Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000105122 | Jabil Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000105122 | Franco-Nevada Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000105122 | Oshkosh Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000105122 | nVent Electric plc  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000105122 | NRG Energy Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000105122 | Regal Rexnord Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000105122 | The Ensign Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000105122 | Southwest Gas Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000105122 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 98.40%
C000105122 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000105122 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000105122 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
C000105122 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000105122 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000105122 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000105122 | Building and Construction  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000105122 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000105122 | Food and Beverage  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000105122 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 27.30%
C000105123 | Allison Transmission Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000105123 | UGI Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000105123 | Jabil Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000105123 | Franco-Nevada Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000105123 | Oshkosh Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000105123 | nVent Electric plc  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000105123 | NRG Energy Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000105123 | Regal Rexnord Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000105123 | The Ensign Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000105123 | Southwest Gas Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000105123 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 98.40%
C000105123 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000105123 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 20.50%
C000105123 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 15.30%
C000105123 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000105123 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000105123 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000105123 | Building and Construction  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000105123 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000105123 | Food and Beverage  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000105123 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 27.30%
C000080997 | The Ensign Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000080997 | TechnipFMC plc  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000080997 | Primoris Services Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000080997 | Wintrust Financial Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000080997 | Victory Capital Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000080997 | Outfront Media Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000080997 | CareTrust REIT Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000080997 | OR Royalties Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000080997 | Spectrum Brands Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000080997 | First Bancorp/Southern Pines NC  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000080997 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
C000080997 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000080997 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
C000080997 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
C000080997 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000080997 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000080997 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000080997 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 21.40%
C000080997 | Banking  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000080997 | Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000080997 | Consumer Products  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000080998 | The Ensign Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000080998 | TechnipFMC plc  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000080998 | Primoris Services Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000080998 | Wintrust Financial Corp.  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000080998 | Victory Capital Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000080998 | Outfront Media Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000080998 | CareTrust REIT Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000080998 | OR Royalties Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000080998 | Spectrum Brands Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000080998 | First Bancorp/Southern Pines NC  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000080998 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
C000080998 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000080998 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
C000080998 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 16.50%
C000080998 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000080998 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000080998 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000080998 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 21.40%
C000080998 | Banking  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000080998 | Business Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000080998 | Consumer Products  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000051528 | nVent Electric plc  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000051528 | NRG Energy Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000051528 | The Ensign Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051528 | TechnipFMC plc  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051528 | Outfront Media Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000051528 | OR Royalties Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000051528 | Spectrum Brands Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000051528 | GXO Logistics Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000051528 | Popular Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000051528 | Amentum Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000051528 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000051528 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000051528 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000051528 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000051528 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000051528 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
C000051528 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
C000051528 | Building and Construction  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051528 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 24.90%
C000051528 | Banking  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000051528 | Consumer Products  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000053918 | nVent Electric plc  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000053918 | NRG Energy Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000053918 | The Ensign Group Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000053918 | TechnipFMC plc  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000053918 | Outfront Media Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000053918 | OR Royalties Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000053918 | Spectrum Brands Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000053918 | GXO Logistics Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000053918 | Popular Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000053918 | Amentum Holdings Inc.  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000053918 | InvestmentType_Common Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000053918 | InvestmentType_U.S. Government Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000053918 | Energy and Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000053918 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000053918 | Diversified Industrial  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000053918 | Real Estate  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
C000053918 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 9.20%
C000053918 | Building and Construction  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000053918 | Other Industry sectors  
Holdings [Line Items]  
Percent of Net Asset Value 24.90%
C000053918 | Banking  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000053918 | Consumer Products  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%