| US SMID Fund (R6 Shares) - Summary Prospectus June 11 2021 | 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. | June 11 2021 | |
| Global Equity Fund (R6 Shares) - Prospectus June 11 2021 | 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. | June 11 2021 | |
| Global Equity Fund (R6 Shares) - Statement of Additional Information (SAI) June 11 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | June 11 2021 | |
| Global Equity Fund (R6 Shares) - Summary Prospectus June 11 2021 | 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. | June 11 2021 | |
| Global Small Cap Fund (R6 Shares) - Prospectus June 11 2021 | 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. | June 11 2021 | |
| Global Small Cap Fund (R6 Shares) - Statement of Additional Information (SAI) June 11 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | June 11 2021 | |
| Global Small Cap Fund (R6 Shares) - Summary Prospectus June 11 2021 | 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. | June 11 2021 | |
| International Developed Equity Fund (R6 Shares) - Prospectus June 11 2021 | 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. | June 11 2021 | |
| International Developed Equity Fund (R6 Shares) - Statement of Additional Information (SAI) June 11 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | June 11 2021 | |
| International Developed Equity Fund (R6 Shares) - Summary Prospectus June 11 2021 | 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. | June 11 2021 | |
| SDG Engagement Equity Fund (R6 Shares) - Prospectus June 11 2021 | 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. | June 11 2021 | |
| SDG Engagement Equity Fund (R6 Shares) - Statement of Additional Information (SAI) June 11 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | June 11 2021 | |
| SDG Engagement Equity Fund (R6 Shares) - Summary Prospectus June 11 2021 | FeThe 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. | June 11 2021 | |
| SDG Engagement High Yield Credit Fund (R6 Shares) - Prospectus June 11 2021 | 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. | June 11 2021 | |
| SDG Engagement High Yield Credit Fund (R6 Shares) - Statement of Additional Information (SAI) June 11 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | June 11 2021 | |
| SDG Engagement High Yield Credit Fund (R6 Shares) - Summary Prospectus June 11 2021 | 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. | June 11 2021 | |
| US SMID Fund (R6 Shares) - Prospectus June 11 2021 | 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. | June 11 2021 | |
| US SMID Fund (R6 Shares) - Statement of Additional Information (SAI) June 11 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | June 11 2021 | |
| Corporate Bond Strategy Portfolio, Quarter 1 Holdings May 27 2021 | First quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| Fund for U.S. Government Securities II, Quarter 1 Holdings May 27 2021 | First quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| High Income Bond Fund II, Quarter 1 Holdings May 27 2021 | First quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| High-Yield Strategy Portfolio, Quarter 1 Holdings May 27 2021 | First quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| Kaufmann Fund II, Quarter 1 Holdings May 27 2021 | First quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| Managed Volatility Fund II, Quarter 1 Holdings May 27 2021 | First quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| Mortgage Strategy Portfolio, Quarter 1 Holdings May 27 2021 | First quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| Quality Bond Fund II, Quarter 1 Holdings May 27 2021 | First quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| Short-Intermediate Municipal Fund, Quarter 3 Holdings May 27 2021 | Third quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| US SMID Fund, Quarter 3 Holdings May 27 2021 | Third quarter holdings based on fund's fiscal year end. | May 27 2021 | |
| Clover Small Value Fund (A, C, R, IS, and R6 Shares) - Semi-Annual Shareholder Report May 27 2021 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Municipal Ultrashort Fund (A, IS, and R6 Shares) - Semi-Annual Shareholder Report May 27 2021 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Project and Trade Finance Tender Fund - Annual Shareholder Report May 27 2021 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Project and Trade Finance Tender Fund - Prospectus May 27 2021 | 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. | May 27 2021 | |
| Project and Trade Finance Tender Fund - Statement of Additional Information (SAI) May 27 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | May 27 2021 | |
| Prudent Bear Fund (A, C, and IS Shares) - Semi-Annual Shareholder Report May 27 2021 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Select Total Return Bond Fund (IS and SS Shares) - Prospectus May 27 2021 | 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. | May 27 2021 | |
| Select Total Return Bond Fund (IS and SS Shares) - Semi-Annual Shareholder Report May 27 2021 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Select Total Return Bond Fund (IS and SS Shares) - Statement of Additional Information (SAI) May 27 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | May 27 2021 | |
| Select Total Return Bond Fund (IS and SS Shares) - Summary Prospectus May 27 2021 | 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. | May 27 2021 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Annual Shareholder Report May 27 2021 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Prospectus May 27 2021 | 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. | May 27 2021 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Statement of Additional Information (SAI) May 27 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | May 27 2021 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Summary Prospectus May 27 2021 | 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. | May 27 2021 | |
| Floating Rate Strategic Income Fund (A1 Shares) - Prospectus May 27 2021 | 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. | May 27 2021 | |
| Floating Rate Strategic Income Fund (A1 Shares) - Statement of Additional Information (SAI) May 27 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | May 27 2021 | |
| Floating Rate Strategic Income Fund (A1 Shares) - Summary Prospectus May 27 2021 | 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. | May 27 2021 | |
| Fund for U.S. Government Securities (A, B, C, and IS Shares) - Prospectus May 27 2021 | 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. | May 27 2021 | |
| Fund for U.S. Government Securities (A, B, C, and IS Shares) - Statement of Additional Information (SAI) May 27 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | May 27 2021 | |
| Fund for U.S. Government Securities (A, B, C, and IS Shares) - Summary Prospectus May 27 2021 | 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. | May 27 2021 | |
| Fund for U.S. Government Securities (A, B, and C Shares) - Annual Shareholder Report May 27 2021 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| High Income Bond Fund, Inc. (A, B, C, IS, and R6 Shares) - Annual Shareholder Report May 27 2021 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| High Income Bond Fund, Inc. (A, B, C, IS, and R6 Shares) - Prospectus May 27 2021 | 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. | May 27 2021 | |
| High Income Bond Fund, Inc. (A, B, C, IS, and R6 Shares) - Statement of Additional Information (SAI) May 27 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | May 27 2021 | |
| High Income Bond Fund, Inc. (A, B, C, IS, and R6 Shares) - Summary Prospectus May 27 2021 | 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. | May 27 2021 | |
| Municipal Bond Fund, Inc. (A, B, C, F, and IS Shares) - Annual Shareholder Report May 27 2021 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Municipal Bond Fund, Inc. (A, B, C, F, and IS Shares) - Prospectus May 27 2021 | 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. | May 27 2021 | |
| Municipal Bond Fund, Inc. (A, B, C, F, and IS Shares) - Statement of Additional Information (SAI) May 27 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | May 27 2021 | |
| Municipal Bond Fund, Inc. (A, B, C, F, and IS Shares) - Summary Prospectus May 27 2021 | 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. | May 27 2021 | |
| Real Return Bond Fund (A, C, and IS Shares) - Semi-Annual Shareholder Report May 27 2021 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Ultrashort Bond Fund (A, IS, SS, and R6 Shares) - Semi-Annual Shareholder Report May 27 2021 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | May 27 2021 | |
| Federated Hermes Short-Term U.S. Prime Fund (IS-DS) Key Investor Information Document (KIID) May 24 2021 | Federated Hermes Short-Term U.S. Prime Fund (IS-DS) Key Investor Information Document (KIID) | May 24 2021 | |
| Capital Income Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Corporate Bond Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Emerging Market Debt Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Emerging Markets Equity Fund, Quarter 3 Holdings April 28 2021 | Third quarter holdings based on fund's fiscal year end. | April 28 2021 | |
| Equity Income Fund, Inc. - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Global Allocation Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Global Equity Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Global Small Cap Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Global Total Return Bond Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Government Ultrashort Fund, Quarter 3 Holdings April 28 2021 | Third quarter holdings based on fund's fiscal year end. | April 28 2021 | |
| Intermediate Municipal Fund, Quarter 3 Holdings April 28 2021 | Third quarter holdings based on fund's fiscal year end. | April 28 2021 | |
| International Bond Strategy Portfolio - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| International Developed Equity Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| International Equity Fund, Quarter 3 Holdings April 28 2021 | Third quarter holdings based on fund's fiscal year end. | April 28 2021 | |
| International Growth Fund, Quarter 3 Holdings April 28 2021 | Third quarter holdings based on fund's fiscal year end. | April 28 2021 | |
| International Leaders Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| International Small-Mid Company Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| International Strategic Value Dividend Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Premier Municipal Income Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Strategic Income Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| Total Return Bond Fund - Quarter 1 Holdings April 28 2021 | First quarter holdings based on fund’s fiscal year end. | April 28 2021 | |
| FHCMF April 28 2021 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | April 28 2021 | |
| Fund for U.S. Government Securities II - Prospectus April 28 2021 | 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. | April 28 2021 | |
| Fund for U.S. Government Securities II - Statement of Additional Information (SAI) April 28 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | April 28 2021 | |
| Fund for U.S. Government Securities II - Summary Prospectus April 28 2021 | 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. | April 28 2021 | |
| Government Income Securities, Inc. (A, C, F, and IS Shares) - Prospectus April 28 2021 | 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. | April 28 2021 | |
| Government Income Securities, Inc. (A, C, F, and IS Shares) - Statement of Additional Information (SAI) April 28 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | April 28 2021 | |
| Government Income Securities, Inc. (A, C, F, and IS Shares) - Summary Prospectus April 28 2021 | 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. | April 28 2021 | |
| Government Income Securities, Inc. (A, C, and F Shares) - Annual Shareholder Report April 28 2021 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | April 28 2021 | |
| Government Money Fund II (P Shares) - Prospectus April 28 2021 | 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. | April 28 2021 | |
| Government Money Fund II (P Shares) - Summary Prospectus April 28 2021 | 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. | April 28 2021 | |
| Government Money Fund II (P and S Shares) - Statement of Additional Information (SAI) April 28 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | April 28 2021 | |
| Government Money Fund II (S Shares) - Prospectus April 28 2021 | 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. | April 28 2021 | |
| Government Money Fund II (S Shares) - Summary Prospectus April 28 2021 | 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. | April 28 2021 | |
| High Income Bond Fund II (P Shares) - Prospectus April 28 2021 | 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. | April 28 2021 | |
| High Income Bond Fund II (P Shares) - Summary Prospectus April 28 2021 | 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. | April 28 2021 | |
| High Income Bond Fund II (P and S Shares) - Statement of Additional Information (SAI) April 28 2021 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | April 28 2021 | |
| High Income Bond Fund II (S Shares) - Prospectus April 28 2021 | 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. | April 28 2021 | |
| High Income Bond Fund II (S Shares) - Summary Prospectus April 28 2021 | 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. | April 28 2021 | |
| High Yield Trust (A, C, IS, SS, and R6 Shares) - Annual Shareholder Report April 28 2021 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | April 28 2021 | |