v3.26.1
Shareholder Report, Holdings (Details)
Apr. 30, 2026
C000161356 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000161356 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 61.50%
C000161356 | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000161356 | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000161356 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000161356 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000161356 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000161356 | Cayman Islands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000161356 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000161356 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000161356 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000161356 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 59.50%
C000161356 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000161356 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000161356 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000161356 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000161356 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000161356 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000161356 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000161356 | Loan Participation  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000161356 | Preferred Stock  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000161356 | Future  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000161356 | Supranational  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000161356 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (10.70%)
C000161358 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000161358 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 61.50%
C000161358 | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000161358 | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000161358 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000161358 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000161358 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000161358 | Cayman Islands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000161358 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000161358 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000161358 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000161358 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 59.50%
C000161358 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000161358 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000161358 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000161358 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000161358 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000161358 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000161358 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000161358 | Loan Participation  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000161358 | Preferred Stock  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000161358 | Future  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000161358 | Supranational  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000161358 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (10.70%)
C000161359 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 15.10%
C000161359 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 61.50%
C000161359 | Bermuda  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000161359 | France  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000161359 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000161359 | Mexico  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000161359 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000161359 | Cayman Islands  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000161359 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000161359 | Brazil  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000161359 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000161359 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 59.50%
C000161359 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000161359 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000161359 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000161359 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000161359 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000161359 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000161359 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000161359 | Loan Participation  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000161359 | Preferred Stock  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000161359 | Future  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000161359 | Supranational  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000161359 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (10.70%)
C000127572 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000127572 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000127572 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000127572 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000127572 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000127572 | Energy Equipment & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000127572 | Metals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127572 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000127572 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000127572 | Household Durables  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000127572 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 58.80%
C000127572 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000127572 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (9.70%)
C000127572 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
C000127572 | Exchange Traded Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000127574 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000127574 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000127574 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000127574 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000127574 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000127574 | Energy Equipment & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000127574 | Metals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127574 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000127574 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000127574 | Household Durables  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000127574 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 58.80%
C000127574 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000127574 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (9.70%)
C000127574 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
C000127574 | Exchange Traded Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000127575 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000127575 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000127575 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000127575 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000127575 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000127575 | Energy Equipment & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000127575 | Metals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127575 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000127575 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000127575 | Household Durables  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000127575 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 58.80%
C000127575 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000127575 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (9.70%)
C000127575 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
C000127575 | Exchange Traded Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000127576 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 13.20%
C000127576 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000127576 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000127576 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000127576 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000127576 | Energy Equipment & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000127576 | Metals & Mining  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127576 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000127576 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.60%
C000127576 | Household Durables  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000127576 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 58.80%
C000127576 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000127576 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (9.70%)
C000127576 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
C000127576 | Exchange Traded Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000127611 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000127611 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000127611 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000127611 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
C000127611 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000127611 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000127611 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000127611 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127611 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127611 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000127611 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000127611 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000127611 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000127611 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000127613 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000127613 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000127613 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000127613 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
C000127613 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000127613 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000127613 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000127613 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127613 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127613 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000127613 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000127613 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000127613 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000127613 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000127614 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000127614 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000127614 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000127614 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
C000127614 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000127614 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000127614 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000127614 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127614 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127614 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000127614 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000127614 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000127614 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000127614 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000127610 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000127610 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000127610 | France  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000127610 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.50%
C000127610 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000127610 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000127610 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000127610 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127610 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127610 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000127610 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000127610 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000127610 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000127610 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.70%
C000127615 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 40.60%
C000127615 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000127615 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000127615 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
C000127615 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000127615 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000127615 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127615 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127615 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000127615 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000127615 | Ground Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000127615 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000127615 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
C000127617 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 40.60%
C000127617 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000127617 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000127617 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
C000127617 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000127617 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000127617 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127617 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127617 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000127617 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000127617 | Ground Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000127617 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000127617 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
C000127618 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 40.60%
C000127618 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000127618 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000127618 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
C000127618 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000127618 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000127618 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127618 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127618 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000127618 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000127618 | Ground Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000127618 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000127618 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
C000127619 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 40.60%
C000127619 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000127619 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000127619 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 21.80%
C000127619 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000127619 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000127619 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127619 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127619 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000127619 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000127619 | Ground Transportation  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000127619 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000127619 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
C000120179 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000120179 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000120179 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000120179 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 74.50%
C000120179 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120179 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120179 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000120179 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000120179 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000120179 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000120179 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120179 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 46.40%
C000120179 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000120179 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
C000120179 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000120179 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000120179 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000120179 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000120179 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000120179 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (19.50%)
C000120179 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000120181 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000120181 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000120181 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000120181 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 74.50%
C000120181 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120181 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120181 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000120181 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000120181 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000120181 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000120181 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120181 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 46.40%
C000120181 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000120181 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
C000120181 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000120181 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000120181 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000120181 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000120181 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000120181 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (19.50%)
C000120181 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000120180 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000120180 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000120180 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000120180 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 74.50%
C000120180 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120180 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120180 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000120180 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000120180 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000120180 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000120180 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000120180 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 46.40%
C000120180 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 19.50%
C000120180 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 25.50%
C000120180 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000120180 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000120180 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000120180 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000120180 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000120180 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (19.50%)
C000120180 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013636 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000013636 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000013636 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
C000013636 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 41.80%
C000013636 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000013636 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000013636 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000013636 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000013636 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000013636 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013636 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000013636 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013636 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013636 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013636 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
C000013636 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013639 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000013639 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000013639 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
C000013639 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 41.80%
C000013639 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000013639 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000013639 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000013639 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000013639 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000013639 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013639 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000013639 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013639 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013639 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013639 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
C000013639 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000025368 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000025368 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000025368 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
C000025368 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 41.80%
C000025368 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000025368 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000025368 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000025368 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000025368 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000025368 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000025368 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000025368 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000025368 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000025368 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000025368 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
C000025368 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000204949 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000204949 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000204949 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
C000204949 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 41.80%
C000204949 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000204949 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000204949 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000204949 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000204949 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000204949 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000204949 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000204949 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000204949 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000204949 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000204949 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
C000204949 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000107253 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000107253 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000107253 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.80%
C000107253 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 41.80%
C000107253 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000107253 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000107253 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000107253 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000107253 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000107253 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000107253 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000107253 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000107253 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000107253 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000107253 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 93.30%
C000107253 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000214212 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000214212 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214212 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214212 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000214212 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 45.80%
C000214212 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000214212 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000214212 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000214212 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000214212 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000214212 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000214212 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000214212 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000214212 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000214212 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 91.20%
C000214212 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000214213 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000214213 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214213 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214213 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000214213 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 45.80%
C000214213 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000214213 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000214213 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000214213 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000214213 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000214213 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000214213 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000214213 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000214213 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000214213 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 91.20%
C000214213 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000214214 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000214214 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214214 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214214 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000214214 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 45.80%
C000214214 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000214214 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000214214 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000214214 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000214214 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000214214 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000214214 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000214214 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000214214 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000214214 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 91.20%
C000214214 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000214210 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000214210 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214210 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214210 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000214210 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 45.80%
C000214210 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000214210 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000214210 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000214210 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000214210 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000214210 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000214210 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000214210 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000214210 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000214210 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 91.20%
C000214210 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000214211 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000214211 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214211 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000214211 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000214211 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 45.80%
C000214211 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000214211 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000214211 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000214211 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000214211 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000214211 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000214211 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000214211 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000214211 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000214211 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 91.20%
C000214211 | Purchased Option  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013548 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013548 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013548 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013548 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 85.80%
C000013548 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013548 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000013548 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000013548 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013548 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000013548 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013548 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013548 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
C000013548 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000013548 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000013548 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000013548 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000013548 | Supranational  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000013548 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000013548 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 45.70%
C000013550 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013550 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013550 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013550 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 85.80%
C000013550 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013550 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000013550 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000013550 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013550 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000013550 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013550 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013550 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
C000013550 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000013550 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000013550 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000013550 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000013550 | Supranational  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000013550 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000013550 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 45.70%
C000175977 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000175977 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000175977 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000175977 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 85.80%
C000175977 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000175977 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000175977 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000175977 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000175977 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000175977 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000175977 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000175977 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 23.80%
C000175977 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000175977 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000175977 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000175977 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000175977 | Supranational  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000175977 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000175977 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 45.70%
C000227359 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000227359 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000227359 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 84.60%
C000227359 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000227359 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000227359 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000227359 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000227359 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000227359 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000227359 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000227359 | Food Products  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000227359 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 26.90%
C000227359 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000227359 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 27.30%
C000227359 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000227359 | Foreign Government Security  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000227359 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000227359 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000227359 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (10.70%)
C000227359 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 29.70%
C000051733 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000051733 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000051733 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000051733 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051733 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051733 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000051733 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000051733 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051733 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000051733 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051733 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000051733 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000051733 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000051733 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 56.50%
C000051733 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 39.30%
C000051733 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000051736 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000051736 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000051736 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000051736 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051736 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051736 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000051736 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000051736 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051736 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000051736 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051736 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000051736 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000051736 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000051736 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 56.50%
C000051736 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 39.30%
C000051736 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000051738 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000051738 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000051738 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000051738 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051738 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051738 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000051738 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000051738 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051738 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000051738 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051738 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000051738 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000051738 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000051738 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 56.50%
C000051738 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 39.30%
C000051738 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000051737 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000051737 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 17.40%
C000051737 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000051737 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051737 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.00%
C000051737 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000051737 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000051737 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051737 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000051737 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051737 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000051737 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000051737 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000051737 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 56.50%
C000051737 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 39.30%
C000051737 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000051739 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000051739 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000051739 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000051739 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000051739 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000051739 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000051739 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000051739 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000051739 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051739 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000051739 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000051739 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000051739 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.50%)
C000051739 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 69.40%
C000051739 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000051739 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051742 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000051742 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000051742 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000051742 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000051742 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000051742 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000051742 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000051742 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000051742 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051742 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000051742 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000051742 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000051742 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.50%)
C000051742 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 69.40%
C000051742 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000051742 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051744 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000051744 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000051744 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000051744 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000051744 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000051744 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000051744 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000051744 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000051744 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051744 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000051744 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000051744 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000051744 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.50%)
C000051744 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 69.40%
C000051744 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000051744 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051743 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 23.60%
C000051743 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.80%
C000051743 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000051743 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000051743 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000051743 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000051743 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000051743 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000051743 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051743 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000051743 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000051743 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000051743 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.50%)
C000051743 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 69.40%
C000051743 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 27.60%
C000051743 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051745 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000051745 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000051745 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000051745 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000051745 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000051745 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000051745 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000051745 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000051745 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051745 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051745 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000051745 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000051745 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.80%)
C000051745 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 79.10%
C000051745 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000051745 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000051748 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000051748 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000051748 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000051748 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000051748 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000051748 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000051748 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000051748 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000051748 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051748 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051748 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000051748 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000051748 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.80%)
C000051748 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 79.10%
C000051748 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000051748 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000051750 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000051750 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000051750 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000051750 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000051750 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000051750 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000051750 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000051750 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000051750 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051750 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051750 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000051750 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000051750 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.80%)
C000051750 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 79.10%
C000051750 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000051750 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000051749 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000051749 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 23.70%
C000051749 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000051749 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000051749 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000051749 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000051749 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000051749 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000051749 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051749 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000051749 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000051749 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000051749 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.80%)
C000051749 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 79.10%
C000051749 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.70%
C000051749 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000051751 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000051751 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.70%
C000051751 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000051751 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000051751 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000051751 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000051751 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000051751 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051751 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051751 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051751 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000051751 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000051751 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 87.00%
C000051751 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051751 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000051754 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000051754 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.70%
C000051754 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000051754 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000051754 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000051754 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000051754 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000051754 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051754 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051754 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051754 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000051754 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000051754 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 87.00%
C000051754 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051754 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000051756 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000051756 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.70%
C000051756 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000051756 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000051756 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000051756 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000051756 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000051756 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051756 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051756 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051756 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000051756 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000051756 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 87.00%
C000051756 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051756 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000051755 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000051755 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.70%
C000051755 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000051755 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000051755 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000051755 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000051755 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000051755 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000051755 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051755 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051755 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000051755 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000051755 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 87.00%
C000051755 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051755 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000051757 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000051757 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000051757 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051757 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000051757 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051757 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000051757 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000051757 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000051757 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000051757 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051757 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051757 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000051757 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 91.60%
C000051757 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000051760 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000051760 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000051760 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051760 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000051760 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051760 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000051760 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000051760 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000051760 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000051760 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051760 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051760 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000051760 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 91.60%
C000051760 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000051762 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000051762 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000051762 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051762 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000051762 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051762 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000051762 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000051762 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000051762 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000051762 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051762 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051762 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000051762 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 91.60%
C000051762 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000051761 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000051761 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.20%
C000051761 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051761 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000051761 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.80%
C000051761 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000051761 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.00%
C000051761 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000051761 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000051761 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000051761 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000051761 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000051761 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 91.60%
C000051761 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000093595 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000093595 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000093595 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000093595 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000093595 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
C000093595 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000093595 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000093595 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093595 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093595 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093595 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000093595 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093595 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000093595 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.10%
C000093595 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000093598 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000093598 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000093598 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000093598 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000093598 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
C000093598 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000093598 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000093598 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093598 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093598 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093598 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000093598 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093598 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000093598 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.10%
C000093598 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000093599 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000093599 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000093599 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000093599 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000093599 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
C000093599 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000093599 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000093599 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093599 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093599 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093599 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000093599 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093599 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000093599 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.10%
C000093599 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000093600 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000093600 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.00%
C000093600 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.10%
C000093600 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.10%
C000093600 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.90%
C000093600 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000093600 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000093600 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000093600 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000093600 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000093600 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000093600 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000093600 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000093600 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.10%
C000093600 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000146061 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000146061 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.90%
C000146061 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000146061 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000146061 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000146061 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000146061 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000146061 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000146061 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000146061 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000146061 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000146061 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000146061 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000146061 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000146061 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000146063 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000146063 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.90%
C000146063 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000146063 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000146063 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000146063 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000146063 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000146063 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000146063 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000146063 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000146063 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000146063 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000146063 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000146063 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000146063 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000146064 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000146064 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.90%
C000146064 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000146064 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000146064 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000146064 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000146064 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000146064 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000146064 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000146064 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000146064 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000146064 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000146064 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000146064 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000146064 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000146065 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000146065 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.90%
C000146065 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000146065 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000146065 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000146065 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000146065 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000146065 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000146065 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000146065 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000146065 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000146065 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000146065 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.80%)
C000146065 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 95.00%
C000146065 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000217024 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000217024 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.80%
C000217024 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000217024 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000217024 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000217024 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000217024 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000217024 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000217024 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000217024 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000217024 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000217024 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000217024 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
C000217024 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 95.10%
C000217024 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000217025 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000217025 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.80%
C000217025 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000217025 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000217025 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000217025 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000217025 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000217025 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000217025 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000217025 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000217025 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000217025 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000217025 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
C000217025 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 95.10%
C000217025 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000217026 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000217026 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.80%
C000217026 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000217026 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000217026 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000217026 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000217026 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000217026 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000217026 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000217026 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000217026 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000217026 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000217026 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
C000217026 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 95.10%
C000217026 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000217023 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000217023 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 26.80%
C000217023 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000217023 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000217023 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000217023 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000217023 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000217023 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000217023 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000217023 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000217023 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000217023 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.90%
C000217023 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.90%)
C000217023 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 95.10%
C000217023 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000256161 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000256161 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.50%
C000256161 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000256161 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000256161 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000256161 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000256161 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000256161 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000256161 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000256161 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000256161 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000256161 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
C000256161 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 96.00%
C000256161 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000256163 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000256163 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.50%
C000256163 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000256163 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000256163 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000256163 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000256163 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000256163 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000256163 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000256163 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000256163 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000256163 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
C000256163 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 96.00%
C000256163 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000256162 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000256162 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.50%
C000256162 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000256162 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000256162 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000256162 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000256162 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000256162 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000256162 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000256162 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000256162 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000256162 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
C000256162 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 96.00%
C000256162 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000256160 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000256160 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 27.50%
C000256160 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000256160 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000256160 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 12.80%
C000256160 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.10%
C000256160 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000256160 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000256160 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000256160 | Nationwide Small Cap Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000256160 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000256160 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
C000256160 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 96.00%
C000256160 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000051718 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000051718 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000051718 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051718 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051718 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051718 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000051718 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000051718 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000051718 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051718 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000051718 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051718 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000051718 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.60%)
C000051718 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.00%
C000051718 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 50.40%
C000051718 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000051715 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000051715 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000051715 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051715 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051715 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051715 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000051715 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000051715 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000051715 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051715 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000051715 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051715 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000051715 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.60%)
C000051715 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.00%
C000051715 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 50.40%
C000051715 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000051717 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000051717 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000051717 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051717 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051717 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051717 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000051717 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000051717 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000051717 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051717 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000051717 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051717 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000051717 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.60%)
C000051717 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.00%
C000051717 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 50.40%
C000051717 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000051716 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 37.50%
C000051716 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.30%
C000051716 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051716 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051716 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000051716 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000051716 | Nationwide Strategic Income Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000051716 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000051716 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051716 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 10.00%
C000051716 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000051716 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000051716 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.60%)
C000051716 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.00%
C000051716 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 50.40%
C000051716 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000013642 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013642 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013642 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
C000013642 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000013642 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000013642 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000013642 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013642 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000013642 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000013642 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013642 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013642 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000013642 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 100.20%
C000013646 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013646 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013646 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
C000013646 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000013646 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000013646 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000013646 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013646 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000013646 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000013646 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013646 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013646 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000013646 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 100.20%
C000200004 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000200004 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000200004 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
C000200004 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000200004 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000200004 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000200004 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000200004 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000200004 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000200004 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000200004 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000200004 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000200004 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 100.20%
C000013645 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013645 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013645 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 19.70%
C000013645 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000013645 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000013645 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 10.60%
C000013645 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013645 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.20%
C000013645 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000013645 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013645 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013645 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.20%)
C000013645 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 100.20%
C000245125 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000245125 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000245125 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000245125 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000245125 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 39.90%
C000245125 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000245125 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000245125 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000245125 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000245125 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000245125 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000245125 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000245125 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.80%
C000245125 | Exchange Traded Fund  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127620 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000127620 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
C000127620 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000127620 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000127620 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127620 | Specialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000127620 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000127620 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000127620 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000127620 | Commercial Services & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000127620 | Building Products  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000127620 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000127620 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
C000127622 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000127622 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
C000127622 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000127622 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000127622 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127622 | Specialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000127622 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000127622 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000127622 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000127622 | Commercial Services & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000127622 | Building Products  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000127622 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000127622 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
C000127623 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000127623 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
C000127623 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 24.40%
C000127623 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000127623 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127623 | Specialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 9.60%
C000127623 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000127623 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000127623 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000127623 | Commercial Services & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000127623 | Building Products  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000127623 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000127623 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 95.80%
C000127624 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000127624 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000127624 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127624 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 36.30%
C000127624 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000127624 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127624 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000127624 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000127624 | Building Products  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000127624 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127624 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000127624 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000127624 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.70%)
C000127624 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.60%
C000127626 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000127626 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000127626 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127626 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 36.30%
C000127626 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000127626 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127626 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000127626 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000127626 | Building Products  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000127626 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127626 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000127626 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000127626 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.70%)
C000127626 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.60%
C000127627 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 13.70%
C000127627 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000127627 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000127627 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 36.30%
C000127627 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000127627 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127627 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000127627 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000127627 | Building Products  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000127627 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127627 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000127627 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000127627 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.70%)
C000127627 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.60%
C000115634 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000115634 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 66.90%
C000115634 | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000115634 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000115634 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115634 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000115634 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000115634 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000115634 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115634 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000115634 | China  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000115634 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000115634 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
C000115637 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000115637 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 66.90%
C000115637 | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000115637 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000115637 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115637 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000115637 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000115637 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000115637 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115637 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000115637 | China  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000115637 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000115637 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
C000115636 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 7.30%
C000115636 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 66.90%
C000115636 | France  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000115636 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000115636 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000115636 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000115636 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000115636 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000115636 | South Korea  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000115636 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000115636 | China  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000115636 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.30%
C000115636 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.70%
C000013648 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 86.60%
C000013648 | U.S. Treasury Notes, , 01/31/2027, 3.741246  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000013648 | U.S. Treasury Bills, , 05/14/2026, 3.85  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000013648 | U.S. Treasury Bills, , 06/04/2026, 3.69  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000013648 | U.S. Treasury Notes, , 07/31/2026, 3.8252448  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000013648 | U.S. Treasury Notes, , 01/31/2028, 3.7422468  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000013648 | U.S. Treasury Notes, , 07/31/2027, 3.8022444  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000013648 | U.S. Treasury Bills, , 05/05/2026, 3.61  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013648 | U.S. Treasury Notes, , 10/31/2027, 3.8332476  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013648 | FHLB, , 08/21/2026, 3.64  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013648 | U.S. Treasury Bills, , 05/07/2026, 3.71  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013648 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 46.60%
C000013648 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.40%)
C000013648 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 37.70%
C000013648 | U.S. Government Agency Security  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
C000013649 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 86.60%
C000013649 | U.S. Treasury Notes, , 01/31/2027, 3.741246  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000013649 | U.S. Treasury Bills, , 05/14/2026, 3.85  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000013649 | U.S. Treasury Bills, , 06/04/2026, 3.69  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000013649 | U.S. Treasury Notes, , 07/31/2026, 3.8252448  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000013649 | U.S. Treasury Notes, , 01/31/2028, 3.7422468  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000013649 | U.S. Treasury Notes, , 07/31/2027, 3.8022444  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000013649 | U.S. Treasury Bills, , 05/05/2026, 3.61  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013649 | U.S. Treasury Notes, , 10/31/2027, 3.8332476  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013649 | FHLB, , 08/21/2026, 3.64  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013649 | U.S. Treasury Bills, , 05/07/2026, 3.71  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013649 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 46.60%
C000013649 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.40%)
C000013649 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 37.70%
C000013649 | U.S. Government Agency Security  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
C000013650 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 86.60%
C000013650 | U.S. Treasury Notes, , 01/31/2027, 3.741246  
Holdings [Line Items]  
Percent of Net Asset Value 1.80%
C000013650 | U.S. Treasury Bills, , 05/14/2026, 3.85  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000013650 | U.S. Treasury Bills, , 06/04/2026, 3.69  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000013650 | U.S. Treasury Notes, , 07/31/2026, 3.8252448  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000013650 | U.S. Treasury Notes, , 01/31/2028, 3.7422468  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000013650 | U.S. Treasury Notes, , 07/31/2027, 3.8022444  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000013650 | U.S. Treasury Bills, , 05/05/2026, 3.61  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013650 | U.S. Treasury Notes, , 10/31/2027, 3.8332476  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013650 | FHLB, , 08/21/2026, 3.64  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013650 | U.S. Treasury Bills, , 05/07/2026, 3.71  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013650 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 46.60%
C000013650 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.40%)
C000013650 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 37.70%
C000013650 | U.S. Government Agency Security  
Holdings [Line Items]  
Percent of Net Asset Value 16.10%
C000224083 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000224083 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000224083 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000224083 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000224083 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000224083 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000224083 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000224083 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000224083 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000224083 | Beverages  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000224083 | Water Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000224083 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000224083 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.00%
C000224084 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000224084 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000224084 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000224084 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000224084 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000224084 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000224084 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000224084 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000224084 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000224084 | Beverages  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000224084 | Water Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000224084 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000224084 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.00%
C000224082 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000224082 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000224082 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000224082 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000224082 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000224082 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000224082 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000224082 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000224082 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000224082 | Beverages  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000224082 | Water Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000224082 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000224082 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.00%
C000224085 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 19.60%
C000224085 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 12.50%
C000224085 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000224085 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 9.30%
C000224085 | Diversified Telecommunication Services  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000224085 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 12.90%
C000224085 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000224085 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000224085 | Tobacco  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000224085 | Beverages  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000224085 | Water Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000224085 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000224085 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.00%
C000118164 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 45.10%
C000118164 | U.S. Treasury Inflation Linked Notes, , 07/15/2027, 0.375  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000118164 | U.S. Treasury Inflation Linked Bonds, , 04/15/2028, 3.625  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000118164 | U.S. Treasury Inflation Linked Notes, , 07/15/2031, 0.125  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000118164 | U.S. Treasury Inflation Linked Notes, , 10/15/2027, 1.625  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000118164 | U.S. Treasury Inflation Linked Bonds, , 01/15/2028, 1.75  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000118164 | U.S. Treasury Inflation Linked Notes, , 01/15/2030, 0.125  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000118164 | U.S. Treasury Inflation Linked Bonds, , 02/15/2043, 0.625  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000118164 | Tennessee Valley Authority, , 05/15/2035, 4.875  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000118164 | U.S. Treasury Inflation Linked Bonds, , 04/15/2029, 3.875  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000118164 | U.S. Treasury Inflation Linked Bonds, , 02/15/2055, 2.375  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000118164 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000118164 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000118164 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000118164 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 88.60%
C000118164 | U.S. Government Agency Security  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000118165 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 45.10%
C000118165 | U.S. Treasury Inflation Linked Notes, , 07/15/2027, 0.375  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000118165 | U.S. Treasury Inflation Linked Bonds, , 04/15/2028, 3.625  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000118165 | U.S. Treasury Inflation Linked Notes, , 07/15/2031, 0.125  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000118165 | U.S. Treasury Inflation Linked Notes, , 10/15/2027, 1.625  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000118165 | U.S. Treasury Inflation Linked Bonds, , 01/15/2028, 1.75  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000118165 | U.S. Treasury Inflation Linked Notes, , 01/15/2030, 0.125  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000118165 | U.S. Treasury Inflation Linked Bonds, , 02/15/2043, 0.625  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000118165 | Tennessee Valley Authority, , 05/15/2035, 4.875  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000118165 | U.S. Treasury Inflation Linked Bonds, , 04/15/2029, 3.875  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000118165 | U.S. Treasury Inflation Linked Bonds, , 02/15/2055, 2.375  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000118165 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000118165 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000118165 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000118165 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 88.60%
C000118165 | U.S. Government Agency Security  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000175981 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 45.10%
C000175981 | U.S. Treasury Inflation Linked Notes, , 07/15/2027, 0.375  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000175981 | U.S. Treasury Inflation Linked Bonds, , 04/15/2028, 3.625  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000175981 | U.S. Treasury Inflation Linked Notes, , 07/15/2031, 0.125  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000175981 | U.S. Treasury Inflation Linked Notes, , 10/15/2027, 1.625  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000175981 | U.S. Treasury Inflation Linked Bonds, , 01/15/2028, 1.75  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000175981 | U.S. Treasury Inflation Linked Notes, , 01/15/2030, 0.125  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000175981 | U.S. Treasury Inflation Linked Bonds, , 02/15/2043, 0.625  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000175981 | Tennessee Valley Authority, , 05/15/2035, 4.875  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000175981 | U.S. Treasury Inflation Linked Bonds, , 04/15/2029, 3.875  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000175981 | U.S. Treasury Inflation Linked Bonds, , 02/15/2055, 2.375  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000175981 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000175981 | Collateralized Mortgage Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000175981 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000175981 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 88.60%
C000175981 | U.S. Government Agency Security  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000255389 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 12.20%
C000255389 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000255389 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 35.40%
C000255389 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000255389 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 7.60%
C000255389 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000255389 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000255389 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000255389 | Singapore  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000255389 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000255389 | Sweden  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000255389 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000255389 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.60%
C000255389 | Total Return Swap  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000013557 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000013557 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000013557 | France  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000013557 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.60%
C000013557 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
C000013557 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000013557 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013557 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000013557 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013557 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000013557 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000013557 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000013557 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
C000013557 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
C000033116 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000033116 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000033116 | France  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000033116 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.60%
C000033116 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
C000033116 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000033116 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000033116 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000033116 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000033116 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000033116 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000033116 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000033116 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
C000033116 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
C000013560 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000013560 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000013560 | France  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000013560 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.60%
C000013560 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
C000013560 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000013560 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013560 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000013560 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013560 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000013560 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000013560 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000013560 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
C000013560 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
C000175978 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 17.00%
C000175978 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000175978 | France  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000175978 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 22.60%
C000175978 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 10.90%
C000175978 | Germany  
Holdings [Line Items]  
Percent of Net Asset Value 8.80%
C000175978 | Spain  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000175978 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000175978 | Italy  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000175978 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000175978 | Switzerland  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000175978 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000175978 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (0.60%)
C000175978 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.20%
C000175982 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
C000175982 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000175982 | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000175982 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 32.00%
C000175982 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000175982 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000175982 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000175982 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000175982 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000175982 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000175982 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000175982 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000175982 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.20%)
C000175982 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
C000175982 | Exchange Traded Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000175984 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
C000175984 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000175984 | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000175984 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 32.00%
C000175984 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000175984 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000175984 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000175984 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000175984 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000175984 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000175984 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000175984 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000175984 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.20%)
C000175984 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
C000175984 | Exchange Traded Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000175985 | Other Countries  
Holdings [Line Items]  
Percent of Net Asset Value 26.60%
C000175985 | United States  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000175985 | France  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000175985 | Japan  
Holdings [Line Items]  
Percent of Net Asset Value 32.00%
C000175985 | United Kingdom  
Holdings [Line Items]  
Percent of Net Asset Value 13.50%
C000175985 | Canada  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000175985 | Netherlands  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000175985 | Taiwan  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000175985 | Australia  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000175985 | Israel  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000175985 | Hong Kong  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000175985 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000175985 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.20%)
C000175985 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 96.10%
C000175985 | Exchange Traded Fund  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000013576 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013576 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000013576 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000013576 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000013576 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000013576 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000013576 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000013576 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000013576 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000013576 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000013576 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013576 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000013576 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (8.40%)
C000013576 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
C000013576 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013579 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013579 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000013579 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000013579 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000013579 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000013579 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000013579 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000013579 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000013579 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000013579 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000013579 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013579 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000013579 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (8.40%)
C000013579 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
C000013579 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013580 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013580 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000013580 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000013580 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000013580 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000013580 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000013580 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000013580 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000013580 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000013580 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000013580 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013580 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000013580 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (8.40%)
C000013580 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
C000013580 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000137830 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000137830 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000137830 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000137830 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000137830 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000137830 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000137830 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000137830 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000137830 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000137830 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000137830 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000137830 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000137830 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (8.40%)
C000137830 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
C000137830 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013581 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000013581 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 14.70%
C000013581 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.80%
C000013581 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.70%
C000013581 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.70%
C000013581 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.90%
C000013581 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.50%
C000013581 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000013581 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000013581 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000013581 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013581 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000013581 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (8.40%)
C000013581 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 94.70%
C000013581 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013600 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000013600 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013600 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013600 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013600 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013600 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000013600 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013600 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000013600 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000013600 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013600 | iShares Core International Aggregate Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013600 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013600 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000013600 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000013600 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 72.60%
C000013600 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000013603 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000013603 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013603 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013603 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013603 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013603 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000013603 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013603 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000013603 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000013603 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013603 | iShares Core International Aggregate Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013603 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013603 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000013603 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000013603 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 72.60%
C000013603 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000013604 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000013604 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013604 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013604 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013604 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013604 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000013604 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013604 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000013604 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000013604 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013604 | iShares Core International Aggregate Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013604 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013604 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000013604 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000013604 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 72.60%
C000013604 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000137834 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000137834 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000137834 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000137834 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000137834 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000137834 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000137834 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000137834 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000137834 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000137834 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000137834 | iShares Core International Aggregate Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000137834 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000137834 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000137834 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000137834 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 72.60%
C000137834 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000013605 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 30.50%
C000013605 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013605 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013605 | Nationwide Inflation-Protected Securities Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013605 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013605 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 16.40%
C000013605 | JPMorgan Equity Premium Income ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013605 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.80%
C000013605 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.30%
C000013605 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013605 | iShares Core International Aggregate Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000013605 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000013605 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.70%)
C000013605 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 25.00%
C000013605 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 72.60%
C000013605 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000013588 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000013588 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000013588 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013588 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000013588 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013588 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013588 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013588 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000013588 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000013588 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013588 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000013588 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000013588 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.30%)
C000013588 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 62.10%
C000013588 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 36.90%
C000013588 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013591 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000013591 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000013591 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013591 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000013591 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013591 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013591 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013591 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000013591 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000013591 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013591 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000013591 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000013591 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.30%)
C000013591 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 62.10%
C000013591 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 36.90%
C000013591 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013592 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000013592 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000013592 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013592 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000013592 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013592 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013592 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013592 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000013592 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000013592 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013592 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000013592 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000013592 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.30%)
C000013592 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 62.10%
C000013592 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 36.90%
C000013592 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000137832 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000137832 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000137832 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000137832 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000137832 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000137832 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000137832 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000137832 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000137832 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000137832 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000137832 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000137832 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000137832 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.30%)
C000137832 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 62.10%
C000137832 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 36.90%
C000137832 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013593 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000013593 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.70%
C000013593 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013593 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 9.10%
C000013593 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013593 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.20%
C000013593 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000013593 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 17.80%
C000013593 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000013593 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013593 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000013593 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000013593 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.30%)
C000013593 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 62.10%
C000013593 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 36.90%
C000013593 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000013582 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000013582 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013582 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000013582 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000013582 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000013582 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000013582 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000013582 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013582 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000013582 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000013582 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013582 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000013582 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000013582 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 80.80%
C000013582 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000013582 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013585 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000013585 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013585 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000013585 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000013585 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000013585 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000013585 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000013585 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013585 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000013585 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000013585 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013585 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000013585 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000013585 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 80.80%
C000013585 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000013585 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013586 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000013586 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013586 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000013586 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000013586 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000013586 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000013586 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000013586 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013586 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000013586 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000013586 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013586 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000013586 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000013586 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 80.80%
C000013586 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000013586 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000137831 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000137831 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000137831 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000137831 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000137831 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000137831 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000137831 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000137831 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000137831 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000137831 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000137831 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000137831 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000137831 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000137831 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 80.80%
C000137831 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000137831 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013587 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 15.70%
C000013587 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013587 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000013587 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 13.00%
C000013587 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000013587 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.40%
C000013587 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000013587 | iShares Core S&P 500 ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000013587 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000013587 | Nationwide Mid Cap Market Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000013587 | iShares Core S&P Small-Cap ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013587 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000013587 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.00%)
C000013587 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 80.80%
C000013587 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000013587 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000013594 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
C000013594 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000013594 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000013594 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000013594 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000013594 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000013594 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000013594 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000013594 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000013594 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000013594 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000013594 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000013594 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.30%)
C000013594 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.90%
C000013594 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 53.90%
C000013594 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000013597 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
C000013597 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000013597 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000013597 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000013597 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000013597 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000013597 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000013597 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000013597 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000013597 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000013597 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000013597 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000013597 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.30%)
C000013597 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.90%
C000013597 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 53.90%
C000013597 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000013598 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
C000013598 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000013598 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000013598 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000013598 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000013598 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000013598 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000013598 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000013598 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000013598 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000013598 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000013598 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000013598 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.30%)
C000013598 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.90%
C000013598 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 53.90%
C000013598 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000137833 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
C000137833 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000137833 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000137833 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000137833 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000137833 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000137833 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000137833 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000137833 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000137833 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000137833 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000137833 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000137833 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.30%)
C000137833 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.90%
C000137833 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 53.90%
C000137833 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000013599 | Nationwide Bond Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 25.40%
C000013599 | Nationwide Fundamental All Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.10%
C000013599 | Nationwide U.S. 130/30 Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000013599 | Nationwide International Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.90%
C000013599 | Nationwide Large Cap Equity Portfolio, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000013599 | Nationwide International Index Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.80%
C000013599 | iShares Core MSCI Emerging Markets ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000013599 | Other  
Holdings [Line Items]  
Percent of Net Asset Value 18.50%
C000013599 | Nationwide Loomis Short Term Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000013599 | Nationwide Loomis Core Bond Fund, R6, , 0  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000013599 | iShares J.P. Morgan USD Emerging Markets Bond ETF, , , 0  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000013599 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000013599 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.30%)
C000013599 | Equity Fund  
Holdings [Line Items]  
Percent of Net Asset Value 44.90%
C000013599 | Fixed Income Fund  
Holdings [Line Items]  
Percent of Net Asset Value 53.90%
C000013599 | Alternative Assets  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000264163 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000264163 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 6.10%
C000264163 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000264163 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000264163 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 41.80%
C000264163 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000264163 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000264163 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000264163 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000264163 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.50%
C000264163 | Specialized REITs  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000264163 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000264163 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 97.60%
C000264163 | Total Return Swap  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000184012 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000184012 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000184012 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 18.80%
C000184012 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000184012 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000184012 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000184012 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000184012 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000184012 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000184012 | Beverages  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000184012 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000184012 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000184012 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.00%)
C000184012 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
C000184013 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000184013 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000184013 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 18.80%
C000184013 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000184013 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000184013 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000184013 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000184013 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000184013 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000184013 | Beverages  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000184013 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000184013 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000184013 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.00%)
C000184013 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
C000201554 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000201554 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000201554 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 18.80%
C000201554 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000201554 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000201554 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000201554 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000201554 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000201554 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000201554 | Beverages  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000201554 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000201554 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000201554 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.00%)
C000201554 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
C000184014 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 15.60%
C000184014 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 5.30%
C000184014 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 18.80%
C000184014 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 11.40%
C000184014 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 14.80%
C000184014 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000184014 | Entertainment  
Holdings [Line Items]  
Percent of Net Asset Value 7.50%
C000184014 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.90%
C000184014 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.60%
C000184014 | Beverages  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000184014 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000184014 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000184014 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (1.00%)
C000184014 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.90%
C000127632 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000127632 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000127632 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000127632 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 71.90%
C000127632 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000127632 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127632 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000127632 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000127632 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000127632 | Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127632 | Trading Companies & Distributors  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127632 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 40.70%
C000127632 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000127632 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000127632 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000127632 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000127632 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000127632 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 19.20%
C000127634 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000127634 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000127634 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000127634 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 71.90%
C000127634 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000127634 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127634 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000127634 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000127634 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000127634 | Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127634 | Trading Companies & Distributors  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127634 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 40.70%
C000127634 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000127634 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000127634 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000127634 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000127634 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000127634 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 19.20%
C000255576 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000255576 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000255576 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000255576 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 71.90%
C000255576 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000255576 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000255576 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000255576 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000255576 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000255576 | Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000255576 | Trading Companies & Distributors  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000255576 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 40.70%
C000255576 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000255576 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000255576 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000255576 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000255576 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000255576 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 19.20%
C000127635 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.90%
C000127635 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000127635 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000127635 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 71.90%
C000127635 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000127635 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127635 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000127635 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 2.20%
C000127635 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 1.00%
C000127635 | Chemicals  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127635 | Trading Companies & Distributors  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127635 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 40.70%
C000127635 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 12.70%
C000127635 | Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 20.70%
C000127635 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000127635 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000127635 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000127635 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 19.20%
C000127585 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127585 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000127585 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000127585 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 63.20%
C000127585 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000127585 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127585 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000127585 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000127585 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000127585 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127585 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000127585 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 57.70%
C000127585 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
C000127585 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127585 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127585 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127585 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (11.30%)
C000127585 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
C000127587 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127587 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000127587 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000127587 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 63.20%
C000127587 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000127587 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127587 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000127587 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000127587 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000127587 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127587 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000127587 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 57.70%
C000127587 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
C000127587 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127587 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127587 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127587 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (11.30%)
C000127587 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
C000127588 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127588 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 1.10%
C000127588 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000127588 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 63.20%
C000127588 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000127588 | Electric Utilities  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127588 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 1.30%
C000127588 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000127588 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000127588 | Consumer Finance  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127588 | Automobiles  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000127588 | Corporate Bond  
Holdings [Line Items]  
Percent of Net Asset Value 57.70%
C000127588 | Asset-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 15.50%
C000127588 | Short-Term Investment  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000127588 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127588 | Commercial Mortgage-Backed Security  
Holdings [Line Items]  
Percent of Net Asset Value 3.30%
C000127588 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (11.30%)
C000127588 | U.S. Treasury Obligation  
Holdings [Line Items]  
Percent of Net Asset Value 21.70%
C000013561 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000013561 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013561 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000013561 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000013561 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013561 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000013561 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000013561 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 60.70%
C000013561 | Specialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013561 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000013561 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000013561 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000013561 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.70%)
C000013561 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.40%
C000033117 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000033117 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000033117 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000033117 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000033117 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000033117 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000033117 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000033117 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 60.70%
C000033117 | Specialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000033117 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000033117 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000033117 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000033117 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.70%)
C000033117 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.40%
C000013564 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000013564 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013564 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000013564 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000013564 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013564 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000013564 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000013564 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 60.70%
C000013564 | Specialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013564 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000013564 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000013564 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000013564 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.70%)
C000013564 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.40%
C000175979 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000175979 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000175979 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000175979 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000175979 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000175979 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000175979 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000175979 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 60.70%
C000175979 | Specialty Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000175979 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000175979 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000175979 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000175979 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.70%)
C000175979 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.40%
C000127602 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000127602 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127602 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
C000127602 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000127602 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127602 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000127602 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127602 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000127602 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000127602 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000127602 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000127602 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000127602 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.10%)
C000127602 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
C000127604 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000127604 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127604 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
C000127604 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000127604 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127604 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000127604 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127604 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000127604 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000127604 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000127604 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000127604 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000127604 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.10%)
C000127604 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
C000127605 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 32.10%
C000127605 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127605 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 15.40%
C000127605 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 12.30%
C000127605 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127605 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000127605 | IT Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000127605 | Communications Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 10.30%
C000127605 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000127605 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000127605 | Life Sciences Tools & Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.70%
C000127605 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000127605 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (2.10%)
C000127605 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
C000013565 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013565 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000013565 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.60%
C000013565 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
C000013565 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000013565 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013565 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000013565 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013565 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013565 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013565 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013565 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000013565 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000033118 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000033118 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000033118 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.60%
C000033118 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
C000033118 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000033118 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000033118 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000033118 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000033118 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000033118 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000033118 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000033118 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000033118 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000013568 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013568 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000013568 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.60%
C000013568 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
C000013568 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000013568 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013568 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000013568 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013568 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013568 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013568 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013568 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000013568 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000013570 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013570 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000013570 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.60%
C000013570 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
C000013570 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000013570 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013570 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000013570 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013570 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013570 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013570 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013570 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000013570 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000013569 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013569 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000013569 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 16.60%
C000013569 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 38.80%
C000013569 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 8.00%
C000013569 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013569 | Technology Hardware, Storage & Peripherals  
Holdings [Line Items]  
Percent of Net Asset Value 7.40%
C000013569 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013569 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013569 | Pharmaceuticals  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000013569 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 3.40%
C000013569 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000013569 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.20%
C000013572 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013572 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013572 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013572 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013572 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000013572 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000013572 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 54.60%
C000013572 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013572 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000013572 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013572 | Electrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013572 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000013572 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.40%)
C000013572 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
C000033119 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000033119 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000033119 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000033119 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000033119 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000033119 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000033119 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 54.60%
C000033119 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000033119 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000033119 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000033119 | Electrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000033119 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000033119 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.40%)
C000033119 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
C000013575 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000013575 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013575 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000013575 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013575 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000013575 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000013575 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 54.60%
C000013575 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000013575 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000013575 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000013575 | Electrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000013575 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000013575 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.40%)
C000013575 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
C000175980 | Banks  
Holdings [Line Items]  
Percent of Net Asset Value 8.70%
C000175980 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000175980 | Machinery  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000175980 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000175980 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000175980 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 7.80%
C000175980 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 54.60%
C000175980 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000175980 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 2.70%
C000175980 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 2.90%
C000175980 | Electrical Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 3.80%
C000175980 | Repurchase Agreement  
Holdings [Line Items]  
Percent of Net Asset Value 6.40%
C000175980 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value (5.40%)
C000175980 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.00%
C000238472 | Oil, Gas & Consumable Fuels  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000238472 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 13.90%
C000238472 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 3.50%
C000238472 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 38.40%
C000238472 | Software  
Holdings [Line Items]  
Percent of Net Asset Value 11.00%
C000238472 | Interactive Media & Services  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000238472 | Broadline Retail  
Holdings [Line Items]  
Percent of Net Asset Value 3.10%
C000238472 | Capital Markets  
Holdings [Line Items]  
Percent of Net Asset Value 8.30%
C000238472 | Hotels, Restaurants & Leisure  
Holdings [Line Items]  
Percent of Net Asset Value 4.40%
C000238472 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 3.20%
C000238472 | Consumer Staples Distribution & Retail  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000238472 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000238472 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 98.30%
C000127589 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127589 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127589 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000127589 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127589 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 35.80%
C000127589 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127589 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000127589 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000127589 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000127589 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127589 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127589 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000127589 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
C000127591 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127591 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127591 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000127591 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127591 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 35.80%
C000127591 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127591 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000127591 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000127591 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000127591 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127591 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127591 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000127591 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%
C000127592 | Semiconductors & Semiconductor Equipment  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127592 | Insurance  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127592 | Electronic Equipment, Instruments & Components  
Holdings [Line Items]  
Percent of Net Asset Value 10.10%
C000127592 | Biotechnology  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000127592 | Other Industries  
Holdings [Line Items]  
Percent of Net Asset Value 35.80%
C000127592 | Financial Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.30%
C000127592 | Health Care Providers & Services  
Holdings [Line Items]  
Percent of Net Asset Value 8.60%
C000127592 | Health Care Equipment & Supplies  
Holdings [Line Items]  
Percent of Net Asset Value 5.70%
C000127592 | Aerospace & Defense  
Holdings [Line Items]  
Percent of Net Asset Value 3.90%
C000127592 | Professional Services  
Holdings [Line Items]  
Percent of Net Asset Value 5.50%
C000127592 | Construction & Engineering  
Holdings [Line Items]  
Percent of Net Asset Value 12.40%
C000127592 | Other Asset  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000127592 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 99.60%