v3.26.3
Shareholder Report, Line Graph (Details) 190978_WPG Partners Select Small Cap Value Fund_Institutional_TSR Annual {Institutional} - USD ($)
12 Months Ended
Aug. 31, 2025
Aug. 31, 2024
Aug. 31, 2023
Aug. 31, 2022
Dec. 29, 2021
Aug. 31, 2026
Institutional            
Account Value [Line Items]            
Line Graph and Table Measure Name           Institutional
Accumulated Value $ 134,429 $ 139,825 $ 118,379 $ 94,000 $ 100,000 $ 182,709
Russell 3000 Total Return Index [Member]            
Account Value [Line Items]            
Line Graph and Table Measure Name           Russell 3000 Total Return Index
Accumulated Value 138,664 119,704 94,894 82,691 100,000 $ 166,541
Russell 2000 Value Total Return Index [Member]            
Account Value [Line Items]            
Line Graph and Table Measure Name           Russell 2000 Value Total Return Index
Accumulated Value $ 113,109 $ 106,881 $ 89,631 $ 87,723 $ 100,000 $ 146,988