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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Central Index Key dei_EntityCentralIndexKey 0000722885
Pear Tree PanAgora Emerging Markets Fund  
Risk/Return: rr_RiskReturnAbstract  
Investment Objective, Heading rr_ObjectiveHeading

Investment Objective:
Investment Objective, Primary rr_ObjectivePrimaryTextBlock

Long-term growth of capital.
Expense, Heading rr_ExpenseHeading

Fee Table and Expenses of Emerging Markets Fund
Expense, Narrative rr_ExpenseNarrativeTextBlock

This table describes the fees and expenses that you may pay if you buy and hold shares of Emerging Markets Fund.
Operating Expenses, Caption rr_OperatingExpensesCaption

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)
Portfolio Turnover, Heading rr_PortfolioTurnoverHeading

Portfolio Turnover
Portfolio Turnover rr_PortfolioTurnoverTextBlock

Emerging Markets Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio).  A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account.  These costs, which are not reflected in annual fund operating expenses or in the example, affect Emerging Markets Fund's performance.  During the most recent fiscal year, Emerging Markets Fund's portfolio turnover rate was 82 percent of the average value of its portfolio.
Portfolio Turnover, Rate rr_PortfolioTurnoverRate 82.00%
Expense Example, Heading rr_ExpenseExampleHeading

Example
Expense Example, Narrative rr_ExpenseExampleNarrativeTextBlock

This example is intended to help you compare the cost of investing in Emerging Markets Fund with the cost of investing in other mutual funds.  The Example assumes that you invest $10,000 in Emerging Markets Fund for the time periods indicated and then redeem all of your shares at the end of those periods.  The Example also assumes that your investment has a 5 percent return each year and that Emerging Markets Fund's operating expenses remain the same as set forth in the table above.  Although your actual costs may be higher or lower, based on these assumptions your costs would be:
Investment Strategy, Heading rr_StrategyHeading

Principal Investment Strategies
Investment Strategy, Narrative rr_StrategyNarrativeTextBlock

Under normal market conditions, Emerging Markets Fund invests at least 80 percent of its net assets (plus borrowings for investment purposes) in equity securities, including depository receipts, warrants and rights, of emerging markets issuers, that is, an issuer having a country classification assigned by MSCI, Inc. from a country included in the MSCI Emerging Markets Index ("MSCI EM").  Emerging Markets Fund generally invests in at least eight countries and three or more broad geographic regions, such as Latin America, Asia or Europe.  Emerging Markets Fund may invest more than 25 percent of its assets in a particular region. Emerging Markets Fund may invest in companies of any capitalization.

 

To manage Emerging Markets Fund's assets, the fund allocates its assets between two proprietary strategies: an alpha modeling strategy and a risk-parity strategy.  The alpha modeling strategy integrates a variety of measures including firm-specific, sector-specific and region-specific factors using a quantitative framework to build custom-tailored alpha models for a universe of emerging markets securities.  The risk-parity strategy deploys a proprietary portfolio construction process in an attempt to balance risk across the countries, sectors and issuers represented in the MSCI EM.  The sub-adviser seeks to identify the contribution to a portfolio's risk from exposures to various countries, sectors, and issuers then attempts to balance risk across these dimensions to improve diversification, rather than rely on the securities' market weights reflected in the MSCI EM.  The Emerging Markets Fund currently invests in Pear Tree PanAgora Risk Parity Emerging Markets Fund to achieve its risk-parity exposure.

 

In addition to emerging markets securities, Emerging Markets Fund also may invest in forward foreign currency exchange contracts as well as other types of derivatives (i.e., a security or instrument whose value is determined by reference to the value or the change in value of one or more securities, currencies, indices or other financial instruments) for cash-equitization purposes (e.g., for management of temporary cash positions).  Emerging Markets Fund also may lend its securities. Emerging Markets Fund may hold cash, or it may manage its cash by investing in cash equivalents and money market funds.
Strategy Portfolio Concentration rr_StrategyPortfolioConcentration

Under normal market conditions, Emerging Markets Fund invests at least 80 percent of its net assets (plus borrowings for investment purposes) in equity securities, including depository receipts, warrants and rights, of emerging markets issuers, that is, an issuer having a country classification assigned by MSCI, Inc. from a country included in the MSCI Emerging Markets Index ("MSCI EM"). Emerging Markets Fund generally invests in at least eight countries and three or more broad geographic regions, such as Latin America, Asia or Europe. Emerging Markets Fund may invest more than 25 percent of its assets in a particular region. Emerging Markets Fund may invest in companies of any capitalization.
Risk, Heading rr_RiskHeading

Principal Investment Risks
Risk, Narrative rr_RiskNarrativeTextBlock

It is possible to lose money by investing in Emerging Markets Fund. An investment in Emerging Markets Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.

 

Market, Industry and Specific Holdings. The share price of Emerging Markets Fund may fall because of weakness in the stock markets, generally, weaknesses with respect to a particular industry in which Emerging Markets Fund has significant holdings, or weaknesses associated with one or more specific companies in which Emerging Markets Fund may have substantial investments. In addition, because the Emerging Markets Fund primarily uses risk-parity strategies, it is unlikely to benefit from market momentum preceding a market correction.

 

Foreign, including Emerging Markets Investing.  Emerging Markets Fund's investments in foreign securities (including ADRs) may be adversely affected by political and economic conditions overseas, reduced liquidity, or decreases in foreign currency values relative to the U.S. dollar.    The risks of foreign investing are heightened for securities of issuers in emerging market countries. Emerging market countries tend to have economic structures that are less diverse and mature, political systems that are less stable, are more susceptible to governmental interference, and less liquid and efficient trading markets than those of developed countries.  Emerging Markets Fund from time to time also may have assets concentrated in a specific geographic region and/or an individual country depending on the country weights of the MSCI EM, thus exposing Emerging Markets Fund to the specific risks of that region or country.

 

Liquidity Risk. Emerging Markets Fund may not be able to sell some or all of its securities at desired prices or may be unable to sell the securities at all.

 

Active Management Risk. The sub-adviser's judgments about the attractiveness, value, or potential appreciation of Emerging Markets Fund's investments may prove to be incorrect.

 

New Investment Sub-Strategy. Emerging Market Fund's "smart beta" risk-parity sub-strategy has only been recently developed by the Emerging Market Fund's sub-adviser, and it has not yet been used by the Emerging Market Fund's sub-adviser to manage client assets.  Thus, there is a risk that that sub-strategy may not perform as intended.

 

Investments in Another Mutual Fund.  To the extent that Emerging Markets Fund invests in another mutual fund, its investment performance would be directly related to the investment performance of the other fund.  It also would bear its proportionate share of any management and other fees paid by the other mutual fund, subjecting Emerging Markets Fund shareholders to some duplication of fees.

 

Large- and Mid-Capitalization Securities. Securities issued by large- and mid-cap companies tend to be less volatile than securities issued by smaller companies. Larger companies, however, may not be able to attain the high growth rates of successful smaller companies, especially during strong economic periods, and may be unable to respond as quickly to competitive challenges.

 

Small- and Micro-Capitalization Securities. Investments in small- and micro-capitalization companies typically present greater risks than investments in larger companies and, as a result, 2 the performance of Emerging Markets Fund may be more volatile than a fund that invests only in large- and mid-cap stocks.

 

Growth and Value Stock Investing. Different investment styles periodically come into and fall out of favor with investors. Growth stocks generally are more volatile than the overall stock market. Value stocks generally carry the risk that the market will not recognize their intrinsic value or that they are actually appropriately priced at a low level.

 

Sector. Emerging Markets Fund may have significant investments in one or more specific industry sectors, subjecting it to risks greater than general market risk.

 

Securities Lending. Securities lending involves two primary risks: investment risk and borrower default risk. Investment risk is the risk that Emerging Markets Fund will lose money from the investment of the cash collateral received from the borrower. Borrower default risk is the risk that Emerging Markets Fund will lose money due to the failure of a borrower to return a borrowed security in a timely manner.

 

Derivatives. Emerging Markets Fund's investments in currency futures and other derivative instruments are subject to a number of risks, such as counterparty risk, the risk of mispricing or improper valuation, and the risk that the value of the instrument may not increase or decrease as expected.

 

Please refer to "Fund Objectives, Strategies and Risks" in the Prospectus for further details.
Risk, Lose Money rr_RiskLoseMoney

It is possible to lose money by investing in Emerging Markets Fund.
Risk, Not Insured Depository Institution rr_RiskNotInsuredDepositoryInstitution

An investment in Emerging Markets Fund is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency.
Bar Chart and Performance Table, Heading rr_BarChartAndPerformanceTableHeading

Past Performance
Performance, Narrative rr_PerformanceNarrativeTextBlock

The following bar chart and table provide some indication of the risks of investing in Emerging Markets Fund by showing changes in Emerging Markets Fund's performance over time. The tables also compare Emerging Markets Fund's performance to a broad measure of market performance that reflects the type of securities in which Emerging Markets Fund invests. Past performance does not necessarily indicate how Emerging Markets Fund will perform (before and after taxes) in the future. Performance shown for periods prior to January 1, 2015 does not reflect the current investment strategy or the performance of the current sub-adviser. Updated performance information is available at www.peartreefunds.com.

 

A Note on Performance

 

Ordinary Shares and Institutional Shares commenced operations on September 30, 1994 and April 2, 1996, respectively. Returns shown prior to a class's commencement date are returns of Ordinary Shares that have been recalculated to reflect the gross fees and expenses of that class. Returns for Institutional Shares would have been substantially similar to the returns of Ordinary Shares because each share class is invested in the same portfolio of securities, and returns would differ only to the extent that expenses of the class are different.
Performance, Information Illustrates Variability of Returns rr_PerformanceInformationIllustratesVariabilityOfReturns

The following bar chart and table provide some indication of the risks of investing in Emerging Markets Fund by showing changes in Emerging Markets Fund's performance over time.
Performance Additional Market Index [Text] rr_PerformanceAdditionalMarketIndex

The tables also compare Emerging Markets Fund's performance to a broad measure of market performance that reflects the type of securities in which Emerging Markets Fund invests.
Performance Availability Website Address rr_PerformanceAvailabilityWebSiteAddress

www.peartreefunds.com
Performance Past Does Not Indicate Future rr_PerformancePastDoesNotIndicateFuture

Past performance does not necessarily indicate how Emerging Markets Fund will perform (before and after taxes) in the future.
Bar Chart, Heading rr_BarChartHeading

Calendar Year Total Returns - Ordinary Shares The bar chart below provides performance information for Emerging Markets Fund's Ordinary Shares.
Bar Chart Does Not Reflect Sales Loads rr_BarChartDoesNotReflectSalesLoads

Performance shown for periods prior to January 1, 2015 does not reflect the current investment strategy or the performance of the current sub-adviser.
Bar Chart, Closing rr_BarChartClosingTextBlock

Calendar year-to-date return of the Ordinary Shares of Emerging Markets Fund as of December 31, 2016 was 5.88 percent.

Highest Quarterly Return Q2 2009 30.76%
Lowest Quarterly Return Q4 2008 (32.62)%
Year to Date Return, Label rr_YearToDateReturnLabel

Calendar year-to-date return of the Ordinary Shares of Emerging Markets Fund as
Year to Date Return, Date rr_BarChartYearToDateReturnDate Dec. 31, 2016
Year to Date Return rr_BarChartYearToDateReturn 5.88%
Highest Quarterly Return, Label rr_HighestQuarterlyReturnLabel

Highest Quarterly Return
Highest Quarterly Return, Date rr_BarChartHighestQuarterlyReturnDate Jun. 30, 2009
Highest Quarterly Return rr_BarChartHighestQuarterlyReturn 30.76%
Lowest Quarterly Return, Label rr_LowestQuarterlyReturnLabel

Lowest Quarterly Return
Lowest Quarterly Return, Date rr_BarChartLowestQuarterlyReturnDate Dec. 31, 2008
Lowest Quarterly Return rr_BarChartLowestQuarterlyReturn (32.62%)
Performance Table Heading rr_PerformanceTableHeading

Average Annual Total Returns for the periods ended December 31, 2016
Performance Table Uses Highest Federal Rate rr_PerformanceTableUsesHighestFederalRate

After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state or local taxes.
Performance Table Not Relevant to Tax Deferred rr_PerformanceTableNotRelevantToTaxDeferred

The after-tax returns shown are not relevant if you hold your shares in a retirement account or in another tax-deferred arrangement.
Performance Table, One Class of after Tax Shown rr_PerformanceTableOneClassOfAfterTaxShown

After-tax returns are shown only for Ordinary Shares and after-tax returns for Institutional Shares may vary.
Performance Table Explanation after Tax Higher rr_PerformanceTableExplanationAfterTaxHigher

Actual after-tax returns may differ depending on your individual circumstances.
Performance Table, Closing rr_PerformanceTableClosingTextBlock

After-Tax Returns. After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state or local taxes. The after-tax returns shown are not relevant if you hold your shares in a retirement account or in another tax-deferred arrangement. After-tax returns are shown only for Ordinary Shares and after-tax returns for Institutional Shares may vary. Actual after-tax returns may differ depending on your individual circumstances.
Pear Tree PanAgora Emerging Markets Fund | MSCI EM Index  
Risk/Return: rr_RiskReturnAbstract  
Index No Deduction for Fees, Expenses, Taxes rr_IndexNoDeductionForFeesExpensesTaxes

Reflects no deductions for fees, expenses or taxes
1 Year rr_AverageAnnualReturnYear01 11.60%
5 Years rr_AverageAnnualReturnYear05 1.64%
10 Years rr_AverageAnnualReturnYear10 2.17%
Pear Tree PanAgora Emerging Markets Fund | Ordinary Shares  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 1.00% [1]
Distribution (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets 0.25%
Other Expenses rr_OtherExpensesOverAssets 0.39%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.42% [2]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 2.06%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.54%)
Total Annual Fund Operating Expenses after Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.52%
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

July 31, 2018
1 Year rr_ExpenseExampleYear01 $ 155
3 Years rr_ExpenseExampleYear03 526
5 Years rr_ExpenseExampleYear05 923
10 Years rr_ExpenseExampleYear10 $ 2,033
Annual Return 2007 rr_AnnualReturn2007 45.44%
Annual Return 2008 rr_AnnualReturn2008 (59.20%)
Annual Return 2009 rr_AnnualReturn2009 70.37%
Annual Return 2010 rr_AnnualReturn2010 19.76%
Annual Return 2011 rr_AnnualReturn2011 (18.00%)
Annual Return 2012 rr_AnnualReturn2012 21.82%
Annual Return 2013 rr_AnnualReturn2013 (4.59%)
Annual Return 2014 rr_AnnualReturn2014 (0.74%)
Annual Return 2015 rr_AnnualReturn2015 (16.37%)
Annual Return 2016 rr_AnnualReturn2016 5.88%
1 Year rr_AverageAnnualReturnYear01 5.88%
5 Years rr_AverageAnnualReturnYear05 0.43%
10 Years rr_AverageAnnualReturnYear10 0.14%
Pear Tree PanAgora Emerging Markets Fund | Ordinary Shares | After Taxes on Distributions  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 5.69%
5 Years rr_AverageAnnualReturnYear05 0.31%
10 Years rr_AverageAnnualReturnYear10 (0.04%)
Pear Tree PanAgora Emerging Markets Fund | Ordinary Shares | After Taxes on Distributions and Sales  
Risk/Return: rr_RiskReturnAbstract  
1 Year rr_AverageAnnualReturnYear01 3.90%
5 Years rr_AverageAnnualReturnYear05 0.58%
10 Years rr_AverageAnnualReturnYear10 0.37%
Pear Tree PanAgora Emerging Markets Fund | Institutional Shares  
Risk/Return: rr_RiskReturnAbstract  
Management Fees rr_ManagementFeesOverAssets 1.00% [1]
Distribution (12b-1) Fees rr_DistributionAndService12b1FeesOverAssets none
Other Expenses rr_OtherExpensesOverAssets 0.39%
Acquired Fund Fees and Expenses rr_AcquiredFundFeesAndExpensesOverAssets 0.42% [2]
Total Annual Fund Operating Expenses rr_ExpensesOverAssets 1.81%
Fee Waiver and/or Expense Reimbursement rr_FeeWaiverOrReimbursementOverAssets (0.54%)
Total Annual Fund Operating Expenses after Fee Waiver and/or Expense Reimbursement rr_NetExpensesOverAssets 1.27%
Fee Waiver or Reimbursement over Assets, Date of Termination rr_FeeWaiverOrReimbursementOverAssetsDateOfTermination

July 31, 2018
1 Year rr_ExpenseExampleYear01 $ 129
3 Years rr_ExpenseExampleYear03 449
5 Years rr_ExpenseExampleYear05 792
10 Years rr_ExpenseExampleYear10 $ 1,760
1 Year rr_AverageAnnualReturnYear01 6.22%
5 Years rr_AverageAnnualReturnYear05 0.69%
10 Years rr_AverageAnnualReturnYear10 0.40%
[1] The Manager has contractually agreed until July 31, 2018 to waive such portion of the management fees that it would otherwise receive under its agreement with Pear Tree Funds for serving as investment manager to Emerging Markets Fund, such that the aggregate management fee that the Manager would receive during the waiver period for serving as the investment manager of Emerging Markets Fund would be calculated using (a) an annual rate of 0.78 percent if Emerging Markets Fund's net assets are up to $300 million, (b) an annual rate of 0.83 percent if Emerging Markets Fund's net assets are between $300 million and $600 million, and (c) an annual rate of 0.88 percent if Emerging Markets Fund's net assets are in excess of $600 million. This fee waiver only may be terminated with the approval of the Trustees. In addition, the Manager has contractually agreed to waive its management fee with respect to that portion of Emerging Markets Fund's net assets that are invested in Risk Parity Fund. This fee waiver shall be in effect for as long as Emerging Markets Fund invests in Risk Parity Fund, and it only may be terminated with the approval of the Trustees.
[2] Fees and expenses incurred indirectly by Emerging Markets Fund as a result of investment in shares of other investment funds, primarily Risk Parity Fund.