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Risk Return Abstract rr_RiskReturnAbstract  
Registrant Name dei_EntityRegistrantName FEDERATED HERMES MONEY MARKET OBLIGATIONS TRUST
Prospectus Date rr_ProspectusDate Sep. 30, 2023
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund  
Risk Return Abstract rr_RiskReturnAbstract  
Risk/Return [Heading] rr_RiskReturnHeading <span style="color:#000000;font-family:Times New Roman;font-size:14pt;">Fund Summary Information</span><span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">Federated Hermes Institutional Prime Value Obligations Fund (the “Fund”)</span>
Objective [Heading] rr_ObjectiveHeading <span style="color:#000000;font-family:Arial;font-size:8pt;font-weight:bold;text-transform:uppercase;">RISK/RETURN SUMMARY: INVESTMENT OBJECTIVE</span>
Objective, Primary [Text Block] rr_ObjectivePrimaryTextBlock The Fund’s investment objective is to provide current income consistent with stability of principal and liquidity. The Fund’s investment objective may be changed by the Fund’s Board of Trustees without shareholder approval.
Expense [Heading] rr_ExpenseHeading <span style="color:#000000;font-family:Arial;font-size:8pt;font-weight:bold;text-transform:uppercase;">RISK/RETURN SUMMARY: FEES AND EXPENSES</span>
Expense Narrative [Text Block] rr_ExpenseNarrativeTextBlock This table describes the fees and expenses that you may pay if you buy, hold and sell Institutional Shares (IS) of the Fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below.
Shareholder Fees Caption [Text] rr_ShareholderFeesCaption <span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">Shareholder Fees (fees paid directly from your investment)</span>
Operating Expenses Caption [Text] rr_OperatingExpensesCaption <span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)</span>
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination <span style="font-family:Arial Narrow;font-size:8pt;">October 1, </span><span style="font-family:Arial Narrow;font-size:8pt;">2024</span>
Expense Footnotes [Text Block] rr_ExpenseFootnotesTextBlock The fees and expenses shown in the table above and the Example that follows include the fees and expenses of the Fund and the Fund’s share of the fees and expenses of the Federated Hermes Institutional Prime Obligations Fund (“Underlying Fund”), an affiliated money market fund in which the Fund invests all or substantially all of its assets. The Fund invests in the Institutional Shares of the Underlying Fund, which do not currently charge any distribution, shareholder servicing or account administration fees. Both the Fund and the Underlying Fund have investment advisory agreements with the Adviser by which the Adviser is entitled to a management fee of 0.15% of the respective fund’s average daily net assets. However, to avoid charging duplicative fees, the Adviser will waive and/or reimburse the Fund’s Management Fee with respect to the amount of its net assets invested in the Underlying Fund. The Fund’s proportionate share of the fees and expenses of the Underlying Fund (including Management Fees) are reflected in the table above as Acquired Fund Fees and Expenses. The Adviser will also waive and/or reimburse the Fund’s Management Fee and other expenses to the extent necessary to abide by the above “Fee Limit.”
Expense Example [Heading] rr_ExpenseExampleHeading <span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">Example</span>
Expense Example Narrative [Text Block] rr_ExpenseExampleNarrativeTextBlock This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds.The Example assumes that you invest $10,000 for the time periods indicated and then redeem or hold all of your Shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that operating expenses remain the same. The Example does not reflect sales charges (loads) on reinvested dividends. If these sales charges (loads) were included, your costs would be higher. Although your actual costs and returns may be higher or lower, based on these assumptions your costs would be:
Strategy [Heading] rr_StrategyHeading <span style="color:#000000;font-family:Arial;font-size:8pt;font-weight:bold;text-transform:uppercase;">RISK/RETURN SUMMARY: INVESTMENTS, RISKS and PERFORMANCE</span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;margin-left:10pt;">For purposes of the discussion in this section, references to the “Fund” should be read to include a reference to the </span><span style="color:#000000;font-family:Times New Roman;font-size:10pt;">Federated Hermes Institutional Prime Obligations Fund (“Underlying Fund”), unless otherwise specified, since the Fund invests all or substantially all of its net assets in the Institutional Shares of the Underlying Fund.</span><span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">What are the Fund’s Main Investment Strategies?</span>
Strategy Narrative [Text Block] rr_StrategyNarrativeTextBlock The Fund invests all or substantially all of its net assets in the Institutional Shares of the Underlying Fund, an affiliated institutional money market fund with substantially similar investment objectives and strategies as the Fund. The Fund’s investment in the Underlying Fund is made in a fund of funds structure pursuant to Rule 12d1-1 of the Investment Company Act of 1940, as amended (“1940 Act”). The Fund invests in the Underlying Fund which primarily invests in a portfolio of high-quality, dollar-denominated, fixed-income securities which: (1) are issued by banks and corporations in the U.S. and other countries and the U.S. government; and (2) mature in 397 days or less.Certain of the government securities in which the Fund invests are not backed by the full faith and credit of the U.S. government, such as those issued by the Federal Home Loan Mortgage Corporation (“Freddie Mac”), the Federal National Mortgage Association (“Fannie Mae”) and the Federal Home Loan Bank System. These entities are, however, supported through federal subsidies, loans or other benefits. The Fund may also invest in government securities that are supported by the full faith and credit of the U.S. government, such as those issued by the Government National Mortgage Association (“Ginnie Mae”). Finally, the Fund may invest in certain government securities that are issued by entities whose activities are sponsored by the federal government but that have no explicit financial support.In instances where the Fund is unable to invest all of its net assets in the Underlying Fund (for example, due to late-day purchases or trades) the Fund will invest its excess cash in overnight repurchase agreements or other eligible securities, in the discretion of the Fund’s investment adviser. In pursuing its investment objective and implementing its investment strategies, the Fund will comply with Rule 2a-7 under the Investment Company Act of 1940 (“Rule 2a-7”).
Risk [Heading] rr_RiskHeading <span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">What are the Main Risks of Investing in the Fund?</span>
Bar Chart and Performance Table [Heading] rr_BarChartAndPerformanceTableHeading <span style="color:#000000;font-family:Arial;font-size:8pt;font-weight:bold;text-transform:uppercase;">Performance: Bar Chart and Table</span><span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">Risk/Return Bar Chart</span>
Performance Narrative [Text Block] rr_PerformanceNarrativeTextBlock The bar chart and performance table below reflect historical performance data for the Fund and are intended to help you analyze the Fund’s investment risks in light of its historical returns. The bar chart shows the variability of the Fund’s IS class total returns on a calendar year-by-year basis. The Average Annual Total Return Table shows returns averaged over the stated periods. The Fund’s performance will fluctuate, and past performance (before and after taxes) is not necessarily an indication of future results.Updated performance information for the Fund is available under the “Products” section at FederatedHermes.com/us or by calling 1-800-341-7400.
Performance Information Illustrates Variability of Returns [Text] rr_PerformanceInformationIllustratesVariabilityOfReturns <span style="font-family:Times New Roman;font-size:10pt;margin-left:10pt;">The bar chart and performance table below reflect historical performance data for the Fund and are intended to help you </span><span style="font-family:Times New Roman;font-size:10pt;">analyze the Fund’s investment risks in light of its historical returns. The bar chart shows the variability of the Fund’s IS class total returns on a calendar year-by-year basis.</span>
Performance Availability Phone [Text] rr_PerformanceAvailabilityPhone <span style="font-family:Times New Roman;font-size:10pt;">1-800-341-7400</span>
Performance Availability Website Address [Text] rr_PerformanceAvailabilityWebSiteAddress <span style="font-family:Times New Roman;font-size:10pt;">FederatedHermes</span><span style="font-family:Times New Roman;font-size:10pt;">.com/us</span>
Performance Past Does Not Indicate Future [Text] rr_PerformancePastDoesNotIndicateFuture <span style="font-family:Times New Roman;font-size:10pt;font-style:italic;">The Fund’s performance will fluctuate, and past performance (before and after taxes) is not necessarily an indication of future results.</span>
Bar Chart [Heading] rr_BarChartHeading Federated Hermes Prime Value Obligations Fund – IS Class
Bar Chart Closing [Text Block] rr_BarChartClosingTextBlock

The Fund's IS class total return for the six-month period from January 1, 2023 to June 30, 2023, was 2.40%.

Within the periods shown in the bar chart, the Fund's IS class highest quarterly return was 0.93% (quarter ended December 31, 2022). Its lowest quarterly return was (0.01)% (quarter ended March 31, 2022).
Performance Table Heading rr_PerformanceTableHeading <span style="color:#000000;font-family:Arial;font-size:8.5pt;font-weight:bold;">Average Annual Total Return Table</span>
Performance Table Narrative rr_PerformanceTableNarrativeTextBlock The following table represents the Fund’s IS class Average Annual Total Returns for the calendar period ended December 31, 2022.
Performance Table Closing [Text Block] rr_PerformanceTableClosingTextBlock The Fund’s IS class 7-Day Net Yield as of December 31, 2022, was 4.36%. You may go to FederatedHermes.com/us or call the Fund at 1-800-341-7400 for the current 7-Day Net Yield.
Money Market Seven Day Yield, Caption [Text] rr_MoneyMarketSevenDayYieldCaption <span style="font-family:Arial Narrow;font-size:7.75pt;font-style:italic;">The Fund’s IS class 7-Day Net Yield as of December 31, 2022</span>
Money Market Seven Day Yield Phone rr_MoneyMarketSevenDayYieldPhone <span style="font-family:Arial Narrow;font-size:7.75pt;font-style:italic;">1-800-341-7400</span>
Money Market Seven Day Yield rr_MoneyMarketSevenDayYield 4.36%
Fee Waiver Or Reimbursement Over Assets, Later Of Termination Or Next Effective Prospectus mmot_FeeWaiverOrReimbursementOverAssetsLaterOfTerminationOrNextEffectiveProspectus <span style="font-family:Arial Narrow;font-size:8pt;">up to but not including the later of (the “Termination </span><span style="font-family:Arial Narrow;font-size:8pt;">Date”): (a) </span><span style="font-family:Arial Narrow;font-size:8pt;">October 1, </span><span style="font-family:Arial Narrow;font-size:8pt;">2024</span><span style="font-family:Arial Narrow;font-size:8pt;">; or (b) the date of the Fund’s next effective Prospectus.</span>
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk Lose Money [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock All mutual funds take investment risks. Therefore, even though the Fund is a money market fund, it is possible to lose money by investing in the Fund.You could lose money by investing in the Fund.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk Money Market Fund Price Fluctuates [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Because the share price of the Fund will fluctuate, when you sell your shares, they may be worth more or less than what you originally paid for them.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk Money Market Fund May Impose Fees or Suspend Sales [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock The Fund may impose a fee upon sale of your shares.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk Money Market Fund Sponsor May Not Provide Support [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock The Fund’s sponsor is not required to reimburse the Fund for losses, and you should not expect that the sponsor will provide financial support to the Fund at any time, including during periods of market stress.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk Not Insured Depository Institution [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock 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.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Issuer Credit Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Issuer Credit Risk. It is possible that interest or principal on securities will not be paid when due. Money market funds try to minimize this risk by purchasing higher-quality securities.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Counterparty Credit Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Counterparty Credit Risk. A party to a transaction involving the Fund may fail to meet its obligations. This could cause the Fund to lose money or to lose the benefit of the transaction or prevent the Fund from selling or buying other securities to implement its investment strategies.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk Related to the Economy [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Risk Related to the Economy. The value of the Fund’s portfolio may decline in tandem with a drop in the overall value of the markets in which the Fund invests and/or other markets. Economic, political and financial conditions, industry or economic trends and developments or public health risks, such as epidemics or pandemics, may, from time to time, and for varying periods of time, cause the Fund to experience volatility, illiquidity, shareholder redemptions, or other potentially adverse effects.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Interest Rate Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Interest Rate Risk. Prices of fixed-income securities generally fall when interest rates rise. Recent and potential future changes in monetary policy made by central banks and/or their governments are likely to affect the level of interest rates. Very low or negative interest rates magnify interest rate risk. During periods when interest rates are low or there are negative interest rates, the Fund’s yield (and total return) also is likely to be lower or the Fund may be unable to maintain a positive return, or yield.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Liquidity Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Liquidity Risk. Liquidity risk is the risk that the Fund will experience significant net redemptions of Shares at a time when it cannot find willing buyers for its portfolio securities or can only sell its portfolio securities at a material loss.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Concentration Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Concentration Risk. Because the Fund concentrates its investments in one industry by investing more than 25% of its total assets in the financial services industry, its performance depends in large part on the performance of that industry. As a result, the value of an investment may fluctuate more widely since it is more susceptible to market, economic, political, regulatory, and other conditions and risks affecting that industry than a fund that invests more broadly across industries and sectors.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Call Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Call Risk. The Fund’s performance may be adversely affected by the possibility that an issuer of a security held by the Fund may redeem the security prior to maturity at a price below or above its current market value.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Credit Enhancement Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Credit Enhancement Risk. The securities in which the Fund invests may be subject to credit enhancement (for example, guarantees, letters of credit or bond insurance). If the credit quality of the credit enhancement provider (for example, a bank or bond insurer) is downgraded, a security credit enhanced by such credit enhancement provider also may be downgraded. Having multiple securities credit enhanced by the same enhancement provider will increase the adverse effects on the Fund that are likely to result from a downgrading of, or a default by, such an enhancement provider. Adverse developments in the banking or bond insurance industries also may negatively affect the Fund, as the Fund may invest in securities credit enhanced by banks or by bond insurers without limit.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk of Foreign Investing [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Risk of Foreign Investing. Because the Fund invests in securities issued by foreign companies and national governments, the Fund may be more affected by foreign economic and political conditions, taxation policies and accounting and auditing standards than would otherwise be the case.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Prepayment and Extension Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Prepayment and Extension Risk. The Fund may invest in asset-backed and mortgage-backed securities, which may be subject to prepayment risk. If interest rates fall, and unscheduled prepayments on such securities accelerate, the Fund will be required to reinvest the proceeds at the lower interest rates then available. Also, when interest rates fall, the price of mortgage-backed securities may not rise to as great an extent as that of other fixed-income securities. When interest rates rise, homeowners are less likely to prepay their mortgages. A decreased rate of prepayments lengthens the expected maturity of a mortgage-backed security, and the price of mortgage-backed securities may decrease more than the price of other fixed-income securities when interest rates rise.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk Associated with Investing Share Purchase Proceeds [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Risk Associated with Investing Share Purchase Proceeds. On days during which there are net purchases of Shares, the Fund must invest the proceeds at prevailing market yields or hold cash. If the Fund holds cash, or if the yield of the securities purchased is less than that of the securities already in the portfolio, the Fund’s yield will likely decrease. Conversely, net purchases on days on which short-term yields rise will likely cause the Fund’s yield to increase. In the event of significant changes in short-term yields or significant net purchases, the Fund retains the discretion to close to new investments. However, the Fund is not required to close, and no assurance can be given that this will be done in any given circumstance.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Risk Associated with Use of Amortized Cost [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Risk Associated with use of Amortized Cost. Under existing SEC guidance, the Fund will value its individual portfolio securities with remaining maturities of 60 days or less using its amortized cost price when such price is approximately the same (as determined by policies adopted by the Fund’s Board) as its fair market price (“shadow price”). If a security’s shadow price is not approximately the same as its amortized cost price, the Fund will generally use the shadow price to value that security. In such cases, the use of the shadow price could cause the Fund’s NAV to fluctuate. See “Floating Net Asset Value Money Market Risk” below.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Additional Factors Affecting Yield [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Additional Factors Affecting Yield. There is no guarantee that the Fund will provide a certain level of income or that any such income will exceed the rate of inflation. Further, the Fund’s yield will vary. Periods of very low or negative interest rates impact, in a negative way, the Fund’s ability to maintain a positive return, or yield, or pay dividends to Fund shareholders.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Underlying Fund Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Underlying Fund Risk. The risk that the Fund’s performance is closely related to the risks associated with the securities and other investments held by the Underlying Fund and that the ability of the Fund to achieve its investment objective will depend upon the ability of the Underlying Fund to achieve its investment objectives.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Large Shareholder Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Large Shareholder Risk. A significant percentage of the Fund’s shares may be owned or controlled by a large shareholder, such as other funds or accounts, including those of which the Adviser or an affiliate of the Adviser may have investment discretion. Accordingly, the Fund can be subject to the potential for large scale inflows and outflows as a result of purchases and redemptions made by significant shareholders. These inflows and outflows could be significant and, if frequently occurring, could negatively affect the Fund’s net asset value and performance and could cause the Fund or the Underlying Fund to buy or sell securities at inopportune times in order to meet purchase or redemption requests. Investments in the Fund by other investment companies also can create conflicts of interests for the Adviser to the Fund and the investment adviser to the acquiring fund. For example, a conflict of interest can arise due to the possibility that the investment adviser to the acquiring fund could make a decision to redeem the acquiring fund’s investment in the Fund. In the case of an investment by an affiliated fund, a conflict of interest can arise if, because of the acquiring fund’s investment in the Fund, the Fund is able to garner more assets from third-party investors, thereby growing the Fund and increasing the management fees received by the Adviser, which could also be the investment adviser to the acquiring fund.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Floating Net Asset Value Money Market Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Floating Net Asset Value Money Market Risk. The Fund will not maintain a constant NAV per share. The value of the Fund’s shares will be calculated to four decimal places and will fluctuate reflecting the value of the portfolio of investments held by the Fund. It is possible to lose money by investing in the Fund.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Liquidity Fees Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Liquidity Fees Risk. Pursuant to rules adopted by the SEC in July 2023, the Fund and the Underlying Fund will be able to impose discretionary liquidity fees on redemptions subject to a determination by that fund’s Board that such a liquidity fee is in the fund’s best interests. If that fund’s Board, including a majority of the independent Trustees, determines that imposing a liquidity fee is in that fund’s best interests, that fund may impose discretionary liquidity fees of up to 2% of the value of the shares redeemed.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | Technology Risk [Member]  
Risk Return Abstract rr_RiskReturnAbstract  
Risk [Text Block] rr_RiskTextBlock Technology Risk. The Adviser uses various technologies in managing the Fund, consistent with its investment objective(s) and strategy described in this Prospectus. For example, proprietary and third-party data and systems are utilized to support decision making for the Fund. Data imprecision, software or other technology malfunctions, programming inaccuracies and similar circumstances may impair the performance of these systems, which may negatively affect Fund performance.
Institutional Shares Only | Federated Hermes Institutional Prime Value Obligations Fund | IS  
Risk Return Abstract rr_RiskReturnAbstract  
Maximum Sales Charge (Load) Imposed on Purchases (as a percentage of offering price) rr_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice none
Maximum Deferred Sales Charge (Load) (as a percentage of original purchase price or redemption proceeds, as applicable) rr_MaximumDeferredSalesChargeOverOther none
Maximum Sales Charge (Load) Imposed on Reinvested Dividends (and other Distributions) (as a percentage of offering price) rr_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther none
Redemption Fee (as a percentage of amount redeemed, if applicable) rr_RedemptionFeeOverRedemption none
Exchange Fee rr_ExchangeFeeOverRedemption none
Management Fee rr_ManagementFeesOverAssets 0.15% [1]
Distribution (12b-1) Fee rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.09% [2]
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.18%
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 0.42% [1]
Fee Waivers and/or Expense Reimbursements rr_FeeWaiverOrReimbursementOverAssets (0.22%) [1],[3]
Total Annual Fund Operating Expenses After Fee Waivers and/or Expense Reimbursements rr_NetExpensesOverAssets 0.20%
1 Year rr_ExpenseExampleYear01 $ 43
3 Years rr_ExpenseExampleYear03 135
5 Years rr_ExpenseExampleYear05 235
10 Years rr_ExpenseExampleYear10 $ 530
2013 rr_AnnualReturn2013 0.09%
2014 rr_AnnualReturn2014 0.06%
2015 rr_AnnualReturn2015 0.12%
2016 rr_AnnualReturn2016 0.44%
2017 rr_AnnualReturn2017 1.06%
2018 rr_AnnualReturn2018 2.01%
2019 rr_AnnualReturn2019 2.32%
2020 rr_AnnualReturn2020 0.59%
2021 rr_AnnualReturn2021 0.03%
Annual Return 2022 rr_AnnualReturn2022 1.65%
Year to Date Return, Label rr_YearToDateReturnLabel The Fund's IS class total return for the six-month period
Bar Chart, Year to Date Return, Date rr_BarChartYearToDateReturnDate Jun. 30, 2023
Bar Chart, Year to Date Return rr_BarChartYearToDateReturn 2.40%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel highest quarterly return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Dec. 31, 2022
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 0.93%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel lowest quarterly return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Mar. 31, 2022
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (0.01%)
1 Year rr_AverageAnnualReturnYear01 1.65%
5 Years rr_AverageAnnualReturnYear05 1.32%
10 Years rr_AverageAnnualReturnYear10 0.84%
[1] The Management Fee, Total Annual Fund Operating Expenses and Fee Waivers and/or Expense Reimbursements have been restated to reflect current fees due to a reduction in the stated gross Management Fee for the Fund effective October 1, 2023.
[2] The Fund may incur and pay certain service fees (shareholder services/account administration fees) on its IS class of up to a maximum amount of 0.25%. No such fees are currently incurred and paid by the IS class of the Fund. The IS class of the Fund will not incur and pay such fees until such time as approved by the Fund’s Board of Trustees (the “Trustees”).
[3] The Adviser and certain of its affiliates on their own initiative have agreed to waive certain amounts of their respective fees and/or reimburse expenses. Total annual fund operating expenses (excluding interest expense, extraordinary expenses and proxy-related expenses paid by the Fund, if any) paid by the Fund’s IS class (after the voluntary waivers and/or reimbursements) will not exceed 0.20% (the “Fee Limit”) up to but not including the later of (the “Termination Date”): (a) October 1, 2024; or (b) the date of the Fund’s next effective Prospectus. While the Adviser and its affiliates currently do not anticipate terminating or increasing these arrangements prior to the Termination Date, these arrangements may only be terminated or the Fee Limit increased prior to the Termination Date with the agreement of the Trustees.