Investment Risks - Government Money Market Funds-Capital Class |
Jan. 31, 2026 |
|---|---|
| Government Money Market Fund | Risk Lose Money [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | You could lose money by investing in the Fund. |
| Government Money Market Fund | Risk Not Insured Depository Institution [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | An investment in the Fund is not a bank account and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. |
| Government Money Market Fund | Repurchase Agreement Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Repurchase Agreement Risk. In the event that the counterparty to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security, a Fund may lose money, suffer delays, or incur costs arising from holding or selling the underlying security.
|
| Government Money Market Fund | Market Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Market Risk. The values of, and/or the income generated by, securities held by the Fund may decline due to general market conditions or other factors, including those directly involving the issuers of such securities. Securities markets are volatile and may decline significantly in response to adverse issuer, regulatory, political, or economic developments. Different sectors of the market and different security types may react differently to such developments.
|
| Government Money Market Fund | Money Market Fund Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Money Market Fund Risk. The Fund’s yield will change based on changes in interest rates and other market conditions. Because the Fund invests in short-term instruments, the Fund’s dividend yields are expected to be low when short-term market interest rates are low, and there is no guarantee that the Fund will not have a negative yield.
|
| Government Money Market Fund | U.S. Government Obligations Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | U.S. Government Obligations Risk. U.S. Government obligations may be adversely impacted by changes in interest rates, and securities issued or guaranteed by U.S. Government agencies or government-sponsored entities may not be backed by the full faith and credit of the U.S. Government. U.S. Government obligations may be adversely affected by a default by, or decline in the credit quality, of the U.S. Government.
|
| Government Money Market Fund | Debt Securities Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Debt Securities Risk. Debt securities are subject to credit risk and interest rate risk. Credit risk is the possibility that the issuer or guarantor of a debt security may be unable, or perceived to be unable or unwilling, to pay interest or repay principal when they become due. In these instances, the value of an investment could decline and the Fund could lose money. Credit risk increases as an issuer’s credit quality or financial strength declines. Interest rate risk is the possibility that interest rates will change over time. When interest rates rise, the value of debt securities tends to fall. The longer the terms of the debt securities held by a Fund, the more the Fund is subject to this risk. If interest rates decline, interest that the Fund is able to earn on its investments in debt securities may also decline, which could cause the Fund to reduce the dividends it pays to shareholders, but the value of those securities may increase. Very low or negative interest rates may magnify interest rate risk.
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| Government Money Market Fund | Management Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Management Risk. Investment decisions, techniques, analyses or models implemented by a Fund’s manager or sub-adviser in seeking to achieve the Fund’s investment objective may not produce expected returns, may cause the Fund’s shares to lose value or may cause the Fund to underperform other funds with similar investment objectives.
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| Treasury Plus Money Market Fund | Risk Lose Money [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | You could lose money by investing in the Fund. |
| Treasury Plus Money Market Fund | Risk Not Insured Depository Institution [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | An investment in the Fund is not a bank account and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. |
| Treasury Plus Money Market Fund | Repurchase Agreement Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Repurchase Agreement Risk. In the event that the counterparty to a repurchase agreement is unwilling or unable to fulfill its contractual obligations to repurchase the underlying security, a Fund may lose money, suffer delays, or incur costs arising from holding or selling the underlying security.
|
| Treasury Plus Money Market Fund | Market Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Market Risk. The values of, and/or the income generated by, securities held by the Fund may decline due to general market conditions or other factors, including those directly involving the issuers of such securities. Securities markets are volatile and may decline significantly in response to adverse issuer, regulatory, political, or economic developments. Different sectors of the market and different security types may react differently to such developments.
|
| Treasury Plus Money Market Fund | Money Market Fund Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Money Market Fund Risk. The Fund’s yield will change based on changes in interest rates and other market conditions. Because the Fund invests in short-term instruments, the Fund’s dividend yields are expected to be low when short-term market interest rates are low, and there is no guarantee that the Fund will not have a negative yield.
|
| Treasury Plus Money Market Fund | U.S. Government Obligations Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | U.S. Government Obligations Risk. U.S. Government obligations may be adversely impacted by changes in interest rates, and securities issued or guaranteed by U.S. Government agencies or government-sponsored entities may not be backed by the full faith and credit of the U.S. Government. U.S. Government obligations may be adversely affected by a default by, or decline in the credit quality, of the U.S. Government.
|
| Treasury Plus Money Market Fund | Debt Securities Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Debt Securities Risk. Debt securities are subject to credit risk and interest rate risk. Credit risk is the possibility that the issuer or guarantor of a debt security may be unable, or perceived to be unable or unwilling, to pay interest or repay principal when they become due. In these instances, the value of an investment could decline and the Fund could lose money. Credit risk increases as an issuer’s credit quality or financial strength declines. Interest rate risk is the possibility that interest rates will change over time. When interest rates rise, the value of debt securities tends to fall. The longer the terms of the debt securities held by a Fund, the more the Fund is subject to this risk. If interest rates decline, interest that the Fund is able to earn on its investments in debt securities may also decline, which could cause the Fund to reduce the dividends it pays to shareholders, but the value of those securities may increase. Very low or negative interest rates may magnify interest rate risk.
|
| Treasury Plus Money Market Fund | Management Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Management Risk. Investment decisions, techniques, analyses or models implemented by a Fund’s manager or sub-adviser in seeking to achieve the Fund’s investment objective may not produce expected returns, may cause the Fund’s shares to lose value or may cause the Fund to underperform other funds with similar investment objectives.
|
| 100% Treasury Money Market Fund | Risk Lose Money [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | You could lose money by investing in the Fund. |
| 100% Treasury Money Market Fund | Risk Not Insured Depository Institution [Member] | |
| Prospectus [Line Items] | |
| Risk [Text Block] | An investment in the Fund is not a bank account and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. |
| 100% Treasury Money Market Fund | Market Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Market Risk. The values of, and/or the income generated by, securities held by the Fund may decline due to general market conditions or other factors, including those directly involving the issuers of such securities. Securities markets are volatile and may decline significantly in response to adverse issuer, regulatory, political, or economic developments. Different sectors of the market and different security types may react differently to such developments.
|
| 100% Treasury Money Market Fund | Money Market Fund Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Money Market Fund Risk. The Fund’s yield will change based on changes in interest rates and other market conditions. Because the Fund invests in short-term instruments, the Fund’s dividend yields are expected to be low when short-term market interest rates are low, and there is no guarantee that the Fund will not have a negative yield.
|
| 100% Treasury Money Market Fund | U.S. Government Obligations Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | U.S. Government Obligations Risk. U.S. Government obligations may be adversely impacted by changes in interest rates, and securities issued or guaranteed by U.S. Government agencies or government-sponsored entities may not be backed by the full faith and credit of the U.S. Government. U.S. Government obligations may be adversely affected by a default by, or decline in the credit quality, of the U.S. Government.
|
| 100% Treasury Money Market Fund | Debt Securities Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Debt Securities Risk. Debt securities are subject to credit risk and interest rate risk. Credit risk is the possibility that the issuer or guarantor of a debt security may be unable, or perceived to be unable or unwilling, to pay interest or repay principal when they become due. In these instances, the value of an investment could decline and the Fund could lose money. Credit risk increases as an issuer’s credit quality or financial strength declines. Interest rate risk is the possibility that interest rates will change over time. When interest rates rise, the value of debt securities tends to fall. The longer the terms of the debt securities held by a Fund, the more the Fund is subject to this risk. If interest rates decline, interest that the Fund is able to earn on its investments in debt securities may also decline, which could cause the Fund to reduce the dividends it pays to shareholders, but the value of those securities may increase. Very low or negative interest rates may magnify interest rate risk.
|
| 100% Treasury Money Market Fund | Management Risk | |
| Prospectus [Line Items] | |
| Risk [Text Block] | Management Risk. Investment decisions, techniques, analyses or models implemented by a Fund’s manager or sub-adviser in seeking to achieve the Fund’s investment objective may not produce expected returns, may cause the Fund’s shares to lose value or may cause the Fund to underperform other funds with similar investment objectives.
|