| Emerging Markets Equity Fund (IS Shares) - Statement of Additional Information (SAI) November 18 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 18 2019 | |
| Emerging Markets Equity Fund (IS Shares) - Prospectus November 18 2019 | 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 18 2019 | |
| Emerging Markets Equity Fund (IS Shares) - Summary Prospectus November 18 2019 | 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 18 2019 | |
| Federated International Equity Fund (A, C, IS, and R6 Shares) - Prospectus November 18 2019 | 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 18 2019 | |
| Federated International Equity Fund (A, C, IS, and R6 Shares) - Statement of Additional Information (SAI) November 18 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 18 2019 | |
| Federated International Equity Fund (A, C, IS, and R6 Shares) - Summary Prospectus November 18 2019 | 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 18 2019 | |
| International Growth Fund (IS Shares) - Prospectus November 18 2019 | 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 18 2019 | |
| International Growth Fund (IS Shares) - Statement of Additional Information (SAI) November 18 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 18 2019 | |
| International Growth Fund, Prospectus November 18 2019 | 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 18 2019 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Prospectus November 18 2019 | 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 18 2019 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Statement of Additional Information (SAI) November 18 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 18 2019 | |
| Floating Rate Strategic Income Fund (A, C, IS, and R6 Shares) - Summary Prospectus November 18 2019 | 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 18 2019 | |
| Government Ultrashort Duration Fund (A, IS, SS, and R6 Shares) - Prospectus November 18 2019 | 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 18 2019 | |
| Government Ultrashort Duration Fund (A, IS, SS, and R6 Shares) - Statement of Additional Information (SAI) November 18 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 18 2019 | |
| Government Ultrashort Duration Fund (A, IS, SS, and R6 Shares) - Summary Prospectus November 18 2019 | 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 18 2019 | |
| Short-Intermediate Duration Municipal Trust (A, IS, and SS Shares) - Prospectus November 18 2019 | 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 18 2019 | |
| Short-Intermediate Duration Municipal Trust (A, IS, and SS Shares) - Statement of Additional Information (SAI) November 18 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 18 2019 | |
| Short-Intermediate Duration Municipal Trust (A, IS, and SS Shares) - Summary Prospectus November 18 2019 | 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 18 2019 | |
| Short-Term Income Fund (A, IS, SS, and R6 Shares) - Prospectus November 18 2019 | 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 18 2019 | |
| Short-Term Income Fund (A, IS, SS, and R6 Shares) - Statement of Additional Information (SAI) November 18 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 18 2019 | |
| Short-Term Income Fund (A, IS, SS, and R6 Shares) - Summary Prospectus November 18 2019 | 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 18 2019 | |
| Hermes SDG Engagement Equity Fund (A Shares) - Prospectus November 5 2019 | 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 5 2019 | |
| Hermes SDG Engagement Equity Fund (A Shares) - Statement of Additional Information (SAI) November 5 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | November 5 2019 | |
| Hermes SDG Engagement Equity Fund (A Shares) - Summary Prospectus November 5 2019 | 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 5 2019 | |
| Hermes SDG Engagement Equity Fund (C and R6 Shares) - Prospectus November 5 2019 | | November 5 2019 | |
| Hermes SDG Engagement Equity Fund (C and R6 Shares) - Statement of Additional Information (SAI) November 5 2019 | | November 5 2019 | |
| Hermes SDG Engagement Equity Fund (C and R6 Shares) - Summary Prospectus November 5 2019 | | November 5 2019 | |
| Adjustable Rate Securities Fund (IS and SS Shares) - Prospectus October 29 2019 | 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. | October 29 2019 | |
| Adjustable Rate Securities Fund (IS and SS Shares) - Statement of Additional Information (SAI) October 29 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | October 29 2019 | |
| Adjustable Rate Securities Fund (IS and SS Shares) - Summary Prospectus October 29 2019 | 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. | October 29 2019 | |
| Adjustable Rate Securities Fund (IS and SS Shares) - Annual Shareholder Report October 29 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| Government Income Securities, Inc. (A, C, and F Shares) - Semi-Annual Shareholder Report October 29 2019 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| High Yield Trust (A, C, IS, SS, and R6 Shares) - Semi-Annual Shareholder Report October 29 2019 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| Michigan Intermediate Municipal Trust (A Shares) - Annual Shareholder Report October 29 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| Michigan Intermediate Municipal Trust (A Shares) - Prospectus October 29 2019 | 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. | October 29 2019 | |
| Michigan Intermediate Municipal Trust (A Shares) - Statement of Additional Information (SAI) October 29 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | October 29 2019 | |
| Michigan Intermediate Municipal Trust (A Shares) - Summary Prospectus October 29 2019 | 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. | October 29 2019 | |
| Municipal High Yield Advantage Fund (A, B, C, F, and IS Shares) - Prospectus October 29 2019 | 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. | October 29 2019 | |
| Municipal High Yield Advantage Fund (A, B, C, F, and IS Shares) - Statement of Additional Information (SAI) October 29 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | October 29 2019 | |
| Municipal High Yield Advantage Fund (A, B, C, F, and IS Shares) - Summary Prospectus October 29 2019 | 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. | October 29 2019 | |
| Municipal High Yield Advantage Fund (A, B, C, F, and IS Shares) -Annual Shareholder Report October 29 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| Municipal High Yield Advantage Fund (T Shares) - Prospectus October 29 2019 | | October 29 2019 | |
| Municipal High Yield Advantage Fund (T Shares) - Statement of Additional Information (SAI) October 29 2019 | | October 29 2019 | |
| Municipal High Yield Advantage Fund (T Shares) - Summary Prospectus October 29 2019 | | October 29 2019 | |
| Ohio Municipal Income Fund (A and F Shares) - Annual Shareholder Report October 29 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| Ohio Municipal Income Fund (A and F Shares) - Prospectus October 29 2019 | 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. | October 29 2019 | |
| Ohio Municipal Income Fund (A and F Shares) - Statement of Additional Information (SAI) October 29 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | October 29 2019 | |
| Ohio Municipal Income Fund (A and F Shares) - Summary Prospectus October 29 2019 | 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. | October 29 2019 | |
| Pennsylvania Municipal Income Fund (A Shares) - Annual Shareholder Report October 29 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| Pennsylvania Municipal Income Fund (A Shares) - Prospectus October 29 2019 | 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. | October 29 2019 | |
| Pennsylvania Municipal Income Fund (A Shares) - Statement of Additional Information (SAI) October 29 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | October 29 2019 | |
| Pennsylvania Municipal Income Fund (A Shares) - Summary Prospectus October 29 2019 | 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. | October 29 2019 | |
| Short-Intermediate Total Return Bond Fund (A, IS, SS, and R6 Shares) - Annual Shareholder Report October 29 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| Total Return Government Bond Fund (IS, SS, and R6 Shares) - Semi-Annual Shareholder Report October 29 2019 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| U.S. Government Securities Fund: 1-3 Years (IS, SS, and Y Shares) - Semi-Annual Shareholder Report October 29 2019 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | October 29 2019 | |
| Capital Preservation Fund - Offering Circular October 14 2019 | 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. | October 14 2019 | |
| Municipal Ultrashort Fund (A, IS, and R6 Shares) - Prospectus October 1 2019 | 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. | October 1 2019 | |
| Municipal Ultrashort Fund (A, IS, and R6 Shares) - Statement of Additional Information (SAI) October 1 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | October 1 2019 | |
| Short-Intermediate Total Return Bond Fund (A, IS, SS, and R6 Shares) - Prospectus October 1 2019 | 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. | October 1 2019 | |
| Short-Intermediate Total Return Bond Fund (A, IS, SS, and R6 Shares) - Statement of Additional Information (SAI) October 1 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | October 1 2019 | |
| Ultrashort Bond Fund (A, IS, SS, and R6 Shares) - Prospectus October 1 2019 | 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. | October 1 2019 | |
| Ultrashort Bond Fund (A, IS, SS, and R6 Shares) - Statement of Additional Information (SAI) October 1 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | October 1 2019 | |
| California Municipal Cash Trust (WS, SS, CII, CS, and CAP Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Georgia Municipal Cash Trust - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Government Money Fund II (P Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Government Money Fund II (S Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Massachusetts Municipal Cash Trust (WS, SS, and CS Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Municipal Obligations Fund (AS, IV, WS, SS, CII, CS, and CAP Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| New York Municipal Cash Trust (WS, SS, CII, and CS Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Pennsylvania Municipal Cash Trust (WS, SS, and CS Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Tax-Free Obligations Fund (WS, AVR, and SS Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| U.S. Treasury Cash Reserves (IS and SS Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Virginia Municipal Cash Trust (SS and CS Shares) - Prospectus September 27 2019 | 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. | September 27 2019 | |
| Hermes SDG Engagement High Yield Credit Fund (IS Shares) - Prospectus September 26 2019 | 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. | September 26 2019 | |
| Hermes SDG Engagement High Yield Credit Fund (IS Shares) - Statement of Additional Information (SAI) September 26 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | September 26 2019 | |
| Hermes SDG Engagement High Yield Credit Fund (IS Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Capital Reserves Fund - Annual Shareholder Report September 26 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | September 26 2019 | |
| Capital Reserves Fund - Prospectus September 26 2019 | 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. | September 26 2019 | |
| Capital Reserves Fund - Statement of Additional Information (SAI) September 26 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | September 26 2019 | |
| Capital Reserves Fund - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Income Trust (IS and SS Shares) - Semi-Annual Shareholder Report September 26 2019 | The fund's semi-annual report provides shareholders with information such as recent performance, portfolio information and financial information. | September 26 2019 | |
| Government Obligations Fund (AVR Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (ADM Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (CAP Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (CII Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (CS Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (IS Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (PRM Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (R, IS, SS, ADM, CII, CS, CAP, TR, PRM, and AVR Shares) - Annual Shareholder Report September 26 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | September 26 2019 | |
| Government Obligations Fund (SEL Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (SEL, IS, SS, ADM, CII, CS, CAP, TR, PRM, and AVR Shares) - Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (SEL, IS, SS, ADM, CII, CS, CAP, TR, PRM, and AVR Shares) - Statement of Additional Information (SAI) September 26 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | September 26 2019 | |
| Government Obligations Fund (SS Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Fund (TR Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Tax-Managed Fund (AS Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Tax-Managed Fund (AS, IS, and SS Shares) - Annual Shareholder Report September 26 2019 | The fund's annual report provides shareholders with information such as recent performance, portfolio information and financial information. | September 26 2019 | |
| Government Obligations Tax-Managed Fund (AS, IS, and SS Shares) - Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Tax-Managed Fund (AS, IS, and SS Shares) - Statement of Additional Information (SAI) September 26 2019 | The Statement of Additional Information offers detailed information about the fund's policies, operations, management, investments and risks. | September 26 2019 | |
| Government Obligations Tax-Managed Fund (IS Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |
| Government Obligations Tax-Managed Fund (SS Shares) - Summary Prospectus September 26 2019 | 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. | September 26 2019 | |