v3.26.1
Average Annual Total Returns
12 Months Ended 52 Months Ended 60 Months Ended 83 Months Ended 100 Months Ended 120 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
S&P 500 Index (reflects no deductions for fees, expenses or taxes)            
Prospectus [Line Items]            
Average Annual Return, Percent [1] 17.88%   14.42%     14.82%
Russell 2000® Index (reflects no deductions for fees, expenses or taxes)            
Prospectus [Line Items]            
Average Annual Return, Percent [2] 12.81%   6.09%     9.62%
MSCI World Index (reflects no deductions for fees, expenses or taxes)            
Prospectus [Line Items]            
Average Annual Return, Percent [3] 21.60%   12.66%   12.58% [4]  
MSCI EAFE Index (reflects no deductions for fees, expenses or taxes)            
Prospectus [Line Items]            
Average Annual Return, Percent [5] 31.89%   9.47%     8.72%
MSCI ACWI ex USA (reflects no deduction for fees, expenses or taxes)            
Prospectus [Line Items]            
Average Annual Return, Percent 33.11% [6],[7]   8.46% [6],[7] 9.67% [7]   8.95% [6]
MSCI ACWI ex USA Small Cap (reflects no deduction for fees, expenses or taxes)            
Prospectus [Line Items]            
Average Annual Return, Percent [8] 29.88%   7.41%     8.59%
Pear Tree Polaris Small Cap Fund - Ordinary Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 8.06%   9.33%     7.73%
Pear Tree Polaris Small Cap Fund - Ordinary Shares | After Taxes on Distributions            
Prospectus [Line Items]            
Average Annual Return, Percent 4.98%   7.58%     6.15%
Pear Tree Polaris Small Cap Fund - Ordinary Shares | After Taxes on Distributions and Sales            
Prospectus [Line Items]            
Average Annual Return, Percent 7.03%   7.18%     5.87%
Pear Tree Polaris Small Cap Fund - Institutional Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 8.52%   9.74%     8.12%
Pear Tree Polaris Small Cap Fund - R6 Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 8.96%      
Pear Tree Quality Fund - Ordinary Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 16.11%   13.66%     14.93%
Pear Tree Quality Fund - Ordinary Shares | After Taxes on Distributions            
Prospectus [Line Items]            
Average Annual Return, Percent 9.77%   10.55%     11.99%
Pear Tree Quality Fund - Ordinary Shares | After Taxes on Distributions and Sales            
Prospectus [Line Items]            
Average Annual Return, Percent 13.89%   10.47%     11.68%
Pear Tree Quality Fund - Institutional Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 16.54%   14.10%     15.35%
Pear Tree Quality Fund - R6 Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 16.84%      
Pear Tree Essex Environmental Opportunities Fund - Ordinary Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 23.47%   (0.30%)   6.93% [4]  
Performance Inception Date         Sep. 01, 2017  
Pear Tree Essex Environmental Opportunities Fund - Ordinary Shares | After Taxes on Distributions            
Prospectus [Line Items]            
Average Annual Return, Percent 23.47%   (0.62%)   6.66% [4]  
Pear Tree Essex Environmental Opportunities Fund - Ordinary Shares | After Taxes on Distributions and Sales            
Prospectus [Line Items]            
Average Annual Return, Percent 13.89%   (0.23%)   5.55% [4]  
Pear Tree Essex Environmental Opportunities Fund - Institutional Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 23.79%   (0.04%)   7.20% [4]  
Pear Tree Essex Environmental Opportunities Fund - R6 Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 24.20% (3.34%) [4],[9]      
Performance Inception Date   Sep. 01, 2021        
Pear Tree Polaris Foreign Value Fund - Ordinary Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 33.85%   7.44%     7.00%
Pear Tree Polaris Foreign Value Fund - Ordinary Shares | After Taxes on Distributions            
Prospectus [Line Items]            
Average Annual Return, Percent 32.77%   7.11%     6.80%
Pear Tree Polaris Foreign Value Fund - Ordinary Shares | After Taxes on Distributions and Sales            
Prospectus [Line Items]            
Average Annual Return, Percent 21.89%   6.05%     5.83%
Pear Tree Polaris Foreign Value Fund - Institutional Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 34.33%   7.83%     7.38%
Pear Tree Polaris Foreign Value Fund - R6 Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 34.52%   7.93%    
Pear Tree Polaris Foreign Value Small Cap Fund - Ordinary Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 25.95%   7.11%     7.12%
Pear Tree Polaris Foreign Value Small Cap Fund - Ordinary Shares | After Taxes on Distributions            
Prospectus [Line Items]            
Average Annual Return, Percent 25.76%   6.63%     6.60%
Pear Tree Polaris Foreign Value Small Cap Fund - Ordinary Shares | After Taxes on Distributions and Sales            
Prospectus [Line Items]            
Average Annual Return, Percent 16.44%   5.67%     5.81%
Pear Tree Polaris Foreign Value Small Cap Fund - Institutional Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 26.44%   7.52%     7.50%
Pear Tree Polaris Foreign Value Small Cap Fund - R6 Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 26.67%   7.59%    
Pear Tree Polaris International Opportunities Fund - Ordinary Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 17.59%   3.20% 6.85%    
Pear Tree Polaris International Opportunities Fund - Ordinary Shares | After Taxes on Distributions            
Prospectus [Line Items]            
Average Annual Return, Percent 17.48%   2.33% 6.16%    
Pear Tree Polaris International Opportunities Fund - Ordinary Shares | After Taxes on Distributions and Sales            
Prospectus [Line Items]            
Average Annual Return, Percent 11.03%   2.36% 5.34%    
Pear Tree Polaris International Opportunities Fund - Institutional Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 18.16%   3.68% 7.33%    
Pear Tree Polaris International Opportunities Fund - R6 Shares            
Prospectus [Line Items]            
Average Annual Return, Percent 18.11%   3.70% 7.34%    
[1] The S&P 500 Index is a widely followed, market-cap-weighted stock market index that includes 500 leading U.S. companies. The index returns do not reflect the deduction of expenses, which have been deducted from the Fund’s returns. The index returns assume reinvestment of all distributions and do not reflect the deduction of taxes and fees. Individuals cannot invest directly in the index.
[2] The Russell 2000 Index is a market capitalization-weighted index of 2,000 small company stocks. It is widely recognized as representative of the general market for small company stocks. Index returns assume the reinvestment of dividends and, unlike Fund returns, do not reflect any fees or expenses. You cannot invest directly in an Index.
[3] The MSCI World Index captures large and mid-cap representation across 23 Developed Markets (DM) countries. With 1,283 constituents as of June 30, 2026, the index covers approximately 85 percent of the free float-adjusted market capitalization in each country. The index returns do not reflect the deduction of expenses, which have been deducted from the Fund’s returns. The index returns assume the reinvestment of all distributions and do not reflect the deduction of taxes and fees. Individuals cannot invest directly in the index.
[4] Inception of the Predecessor Fund.
[5] The MSCI EAFE Index captures 673 large- and mid-cap companies across 21 developed markets, excluding the U.S. and Canada, covering approximately 85 percent of the free float-adjusted market capitalization of those developed markets. The index returns do not reflect the deduction of expenses, which have been deducted from the Fund’s returns. The index returns assume reinvestment of all distributions and do not reflect the deduction of taxes and fees. Individuals cannot invest directly in the index. However, an individual may invest in exchange traded funds or other investment vehicles that attempt to track the performance of a benchmark index.
[6] MSCI ACWI ex USA Index captures 1,934 large- and mid-cap companies across 22 of 23 developed markets (other the U.S.), and 24 emerging markets countries, and it covers approximately 85 percent of the global equity opportunity set outside the U.S. The index returns do not reflect the deduction of expenses, which have been deducted from the Fund’s returns. The index returns assume reinvestment of all distributions and do not reflect the deduction of taxes and fees. Individuals cannot invest directly in the index.
[7] The MSCI ACWI ex USA Index captures large and mid-cap representation across 22 of 23 Developed Markets (DM) countries (excluding the United States) and 24 Emerging Markets (EM) countries. With 1,934 constituents as of June 30, 2026, the index covers approximately 85 percent of the global equity opportunity set outside the United States. The index returns do not reflect the deduction of expenses, which have been deducted from the Fund’s returns. The index returns assume the reinvestment of all distributions and do not reflect the deduction of taxes and fees. Individuals cannot invest directly in the index.
[8] The MSCI ACWI ex USA Small Cap Index captures small cap representation across 22 of 23 Developed Markets (DM) countries (excluding the United States) and 24 Emerging Markets (EM). With 4,084 constituents as of June 30, 2026, the index covers approximately 14 percent of the global equity opportunity set outside the U.S. The index returns do not reflect the deduction of expenses, which have been deducted from the Fund’s returns. The index returns assume the reinvestment of all distributions and do not reflect the deduction of taxes and fees. Individuals cannot invest directly in the index.
[9] Inception 9/1/2021