| Clover Small Value Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| MDT Market Neutral Fund Quarter 3 Holdings November 28 2022 | First quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| SDG (Sustainable Development Goals) Engagement High Yield Credit Fund Statement of Additional Information November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Short-Term Income Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| Short-Term Income Fund Statement of Additional Information (SAI) November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Short-Term Income Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Clover Small Value Fund Annual Shareholder Report November 28 2022 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Clover Small Value Fund Statement of Additional Information November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Clover Small Value Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Conservative Microshort Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| Conservative Microshort Fund Statement of Additional Information November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Conservative Microshort Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Core Bond Fund Annual Shareholder Report November 28 2022 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Core Bond Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| Core Bond Fund Statement of Additional Information November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Core Bond Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Corporate Bond Strategy Portfolio Quarter 3 Holdings November 28 2022 | Third quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| Floating Rate Strategic Income Fund Semi-Annual Shareholder Report November 28 2022 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Fund for U.S. (United States) Government Securities II Quarter 3 Holdings November 28 2022 | Third quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| Fund for U.S. (United States) Government Securities Semi-Annual Shareholder Report November 28 2022 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| High Income Bond Fund II Quarter 3 Holdings November 28 2022 | Third quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| High Income Bond Fund, Inc. (Incorporated) Semi-Annual Shareholder Report November 28 2022 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| High Yield Strategy Portfolio Quarter 3 Holdings November 28 2022 | Third quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| Inflation Protected Securities Fund Annual Shareholder Report November 28 2022 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Inflation Protected Securities Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| Inflation Protected Securities Fund Statement of Additional Information November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Inflation Protected Securities Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Kaufmann Fund II Quarter 3 Holdings November 28 2022 | Third quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| Managed Volatility Fund II Quarter 3 Holdings November 28 2022 | Third quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| Mortgage Strategy Portfolio Quarter 3 Holdings November 28 2022 | Third quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| Municipal Bond Fund, Inc. (Incorporated) Semi-Annual Shareholder Report November 28 2022 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Municipal Ultrashort Fund Annual Shareholder Report November 28 2022 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Municipal Ultrashort Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| Municipal Ultrashort Fund Statement of Additional Information November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Municipal Ultrashort Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Project and Trade Finance Tender Fund Semi-Annual Shareholder Report November 28 2022 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Prudent Bear Fund Annual Shareholder Report November 28 2022 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Prudent Bear Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| Prudent Bear Fund Statement of Additional Information November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Prudent Bear Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Quality Bond Fund II Quarter 3 Holdings November 28 2022 | Third quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| SDG (Sustainable Development Goals) Engagement High Yield Credit Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| SDG (Sustainable Development Goals) Engagement High Yield Credit Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Short-Intermediate Municipal Fund Quarter 1 Holdings November 28 2022 | First quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| U.S. (United States) SMID (Small-Mid Capitalization) Fund Quarter 1 Holdings November 28 2022 | First quarter holdings based on fund's fiscal year end. | November 28 2022 | |
| Ultrashort Bond Fund Annual Shareholder Report November 28 2022 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | November 28 2022 | |
| Ultrashort Bond Fund Prospectus November 28 2022 | 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. | November 28 2022 | |
| Ultrashort Bond Fund Statement of Additional Information November 28 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 28 2022 | |
| Ultrashort Bond Fund Summary Prospectus November 28 2022 | 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. | November 28 2022 | |
| Fund for U.S. (United States) Government Securities Prospectus November 17 2022 | 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. | November 17 2022 | |
| Government Reserves Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Kaufmann Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| MDT Large Cap Growth Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Capital Income Fund (A, B, C, F, R, and IS Shares) - Prospectus November 17 2022 | 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. | November 17 2022 | |
| Capital Income Fund (A, B, C, F, R, and IS Shares) - Statement of Additional Information (SAI) November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Capital Income Fund (A, B, C, F, R, and IS Shares) - Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Corporate Bond Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| Corporate Bond Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Corporate Bond Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Equity Income Fund, Inc. Prospectus November 17 2022 | 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. | November 17 2022 | |
| Equity Income Fund, Inc. Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Equity Income Fund, Inc. Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Fund for U.S. (United States) Government Securities Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Fund for U.S. (United States) Government Securities Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Global Allocation Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| Global Allocation Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Global Allocation Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Government Reserves Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| Government Reserves Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| High Income Bond Fund, Inc. (Incorporated) Prospectus November 17 2022 | 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. | November 17 2022 | |
| High Income Bond Fund, Inc. (Incorporated) Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| High Income Bond Fund, Inc. (Incorporated) Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| International Leaders Fund (A, B, C, R, IS, and R6 Shares) - Prospectus November 17 2022 | 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. | November 17 2022 | |
| International Leaders Fund (A, B, C, R, IS, and R6 Shares) - Statement of Additional Information (SAI) November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| International Leaders Fund (A, B, C, R, IS, and R6 Shares) - Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Kaufmann Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Kaufmann Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Kaufmann Small Cap Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| Kaufmann Small Cap Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Kaufmann Small Cap Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| MDT Large Cap Growth Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| MDT Large Cap Growth Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| MDT Large Cap Value Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| MDT Large Cap Value Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| MDT Large Cap Value Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Muni and Stock Advantage Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| Muni and Stock Advantage Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Muni and Stock Advantage Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Municipal Bond Fund, Inc. (Incorporated) Prospectus November 17 2022 | 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. | November 17 2022 | |
| Municipal Bond Fund, Inc. (Incorporated) Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Municipal Bond Fund, Inc. (Incorporated) Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Municipal High Yield Advantage Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| Municipal High Yield Advantage Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Municipal High Yield Advantage Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Strategic Income Fund (A, B, C, F, IS, and R6 Shares) - Prospectus November 17 2022 | 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. | November 17 2022 | |
| Strategic Income Fund (A, B, C, F, IS, and R6 Shares) - Statement of Additional Information (SAI) November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Strategic Income Fund (A, B, C, F, IS, and R6 Shares) - Summary Prospectus November 17 2022 | 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. | November 17 2022 | |
| Total Return Bond Fund Prospectus November 17 2022 | 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. | November 17 2022 | |
| Total Return Bond Fund Statement of Additional Information November 17 2022 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 17 2022 | |
| Total Return Bond Fund Summary Prospectus November 17 2022 | 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. | November 17 2022 | |