| International Dividend Strategy Portfolio - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| International Dividend Strategy Portfolio - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| International Dividend Strategy Portfolio - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Muni and Stock Advantage Fund (A, B, C, F, and IS Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| California Municipal Cash Trust (WS, SS, CII, CS, and CAP Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Georgia Municipal Cash Trust - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Global Strategic Value Dividend Fund (A, C, IS, and R6 Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Government Income Fund, Quarter 3 Holdings December 29 2020 | Third quarter holdings based on fund's fiscal year end. | December 29 2020 | |
| Institutional High Yield Bond Fund (IS and R6 Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Institutional High Yield Bond Fund (IS and R6 Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Institutional High Yield Bond Fund (IS and R6 Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Institutional High Yield Bond Fund (IS and R6 Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Institutional Tax-Free Cash Trust (IS and PRM Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Intermediate Corporate Bond Fund (IS and SS Shares) - Semi-Annual Shareholder Report December 29 2020 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Kaufmann Fund (A, B, C, R, and IS Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Kaufmann Fund (A, B, C, R, and IS Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Kaufmann Fund (A, B, C, R, and IS Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Kaufmann Fund (A, B, C, R, and IS Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Kaufmann Large Cap Fund (A, C, R, IS, and R6 Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Kaufmann Large Cap Fund (A, C, R, IS, and R6 Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Kaufmann Large Cap Fund (A, C, R, IS, and R6 Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Kaufmann Large Cap Fund (A, C, R, IS, and R6 Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Kaufmann Small Cap Fund (A, B, C, R, IS, and R6 Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Kaufmann Small Cap Fund (A, B, C, R, IS, and R6 Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Kaufmann Small Cap Fund (A, B, C, R, IS, and R6 Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Kaufmann Small Cap Fund (A, B, C, R, IS, and R6 Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| MDT All Cap Core Fund, Quarter 1 Holdings December 29 2020 | First quarter holdings based on fund's fiscal year end. | December 29 2020 | |
| MDT Balanced Fund, Quarter 1 Holdings December 29 2020 | First quarter holdings based on fund's fiscal year end. | December 29 2020 | |
| MDT Large Cap Growth Fund, Quarter 1 Holdings December 29 2020 | First quarter holdings based on fund's fiscal year end. | December 29 2020 | |
| MDT Large Cap Value Fund (A, B, C, R, IS, SS, and R6 Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| MDT Large Cap Value Fund (A, B, C, R, IS, SS, and R6 Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| MDT Large Cap Value Fund (A, B, C, R, IS, SS, and R6 Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| MDT Large Cap Value Fund (A, B, C, R, IS, SS, and R6 Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| MDT Mid Cap Growth Fund (A, C, IS, and R6 Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| MDT Mid Cap Growth Fund (A, C, IS, and R6 Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| MDT Mid Cap Growth Fund (A, C, IS, and R6 Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| MDT Mid Cap Growth Fund (A, C, IS, and R6 Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| MDT Small Cap Core Fund, Quarter 1 Holdings December 29 2020 | First quarter holdings based on fund's fiscal year end. | December 29 2020 | |
| MDT Small Cap Growth Fund, Quarter 1 Holdings December 29 2020 | First quarter holdings based on fund's fiscal year end. | December 29 2020 | |
| Massachusetts Municipal Cash Trust (WS, SS, and CS Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Max-Cap Index Fund (C, R, IS, and SS Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Max-Cap Index Fund (C, R, IS, and SS Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Max-Cap Index Fund (C, R, IS, and SS Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Max-Cap Index Fund (C, R, IS, and SS Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Mid-Cap Index Fund (IS, SS, and R6 Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Mid-Cap Index Fund (IS, SS, and R6 Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Mid-Cap Index Fund (IS, SS, and R6 Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Mid-Cap Index Fund (IS, SS, and R6 Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Muni and Stock Advantage Fund (A, B, C, F, and IS Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Muni and Stock Advantage Fund (A, B, C, F, and IS Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Muni and Stock Advantage Fund (A, B, C, F, and IS Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| New York Municipal Cash Trust (WS, SS, CII, and CS Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Pennsylvania Municipal Cash Trust (WS, SS, and CS Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| SDG Engagement Equity Fund (A and IS Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| SDG Engagement Equity Fund (A and IS Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| SDG Engagement Equity Fund (A and IS Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| SDG Engagement Equity Fund (A and IS Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Short-Intermediate Government Fund, Quarter 3 Holdings December 29 2020 | Third quarter holdings based on fund's fiscal year end. | December 29 2020 | |
| Short-Term Income Fund (A, IS, SS, Y, and R6 Shares) - Semi-Annual Shareholder Report December 29 2020 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Strategic Value Dividend Fund (A, C, IS, and R6 Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Strategic Value Dividend Fund (A, C, IS, and R6 Shares) - Prospectus December 29 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| Strategic Value Dividend Fund (A, C, IS, and R6 Shares) - Statement of Additional Information (SAI) December 29 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 29 2020 | |
| Strategic Value Dividend Fund (A, C, IS, and R6 Shares) - Summary Prospectus December 29 2020 | The fund's Summary Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 29 2020 | |
| U.S. Treasury Cash Reserves (IS and SS Shares) - Semi-Annual Shareholder Report December 29 2020 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Virginia Municipal Cash Trust (SS and CS Shares) - Annual Shareholder Report December 29 2020 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | December 29 2020 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Prospectus December 11 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 11 2020 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Statement of Additional Information (SAI) December 11 2020 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | December 11 2020 | |
| Floating Rate Strategic Income Fund (A1 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Ohio Municipal Income Fund (A, F, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Capital Income Fund (A, B, C, F, R, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Corporate Bond Fund (A, B, C, F, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Emerging Market Debt Fund (A, C, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Equity Income Fund, Inc. (A, B, C, F, R, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Fund for U.S. Government Securities (A, B, C, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Global Allocation Fund (A, B, C, R, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Global Strategic Value Dividend Fund (A, C, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Global Total Return Bond Fund (A, C, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Government Income Securities, Inc. (A, C, F, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| High Income Bond Fund, Inc. (A, B, C, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| International Equity Fund (A, C, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| International Leaders Fund (A, B, C, R, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| International Small-Mid Company Fund (A, C, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| International Strategic Value Dividend Fund (A, C, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| MDT All Cap Core Fund (A, C, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| MDT Balanced Fund (A, C, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| MDT Large Cap Growth Fund (A, B, C, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| MDT Small Cap Core Fund (A, C, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| MDT Small Cap Growth Fund (A, C, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Michigan Intermediate Municipal Fund (A and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Municipal Bond Fund, Inc. (A, B, C, F, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Municipal High Yield Advantage Fund (A, B, C, F, and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Opportunistic High Yield Bond Fund (A, C, IS, SS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Pennsylvania Municipal Income Fund (A and IS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Short-Intermediate Municipal Fund (A, IS, and SS Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Short-Intermediate Total Return Bond Fund (A, IS, SS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Short-Term Income Fund (A, IS, SS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Strategic Income Fund (A, B, C, F, IS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Total Return Bond Fund (A, B, C, R, IS, SS, and R6 Shares) - Prospectus December 1 2020 | The fund's Prospectus contains information including the fund's investment objective and strategies, principal investments, risks of investing in the fund, and sales charges, management fees and other expenses. | December 1 2020 | |
| Short-Intermediate Municipal Fund, Quarter 1 Holdings November 28 2020 | First quarter holdings based on fund's fiscal year end. | November 28 2020 | |
| US SMID Fund, Quarter 1 Holdings November 28 2020 | First quarter holdings based on fund's fiscal year end. | November 28 2020 | |