v3.25.2
Average Annual Total Returns - Princeton Alternative Premium Fund
 12 Months Ended 27 Months Ended
Aug. 25, 2025
Dec. 31, 2024
Dec. 31, 2024
S&P 500 Total Return Index      
Prospectus [Line Items]      
Average Annual Return, Percent [1]   25.02% 24.64%
Princeton Alternative Premium Fund Class A shares      
Prospectus [Line Items]      
Average Annual Return, Label [Optional Text] Return before taxes with sales charge    
Average Annual Return, Percent [2]   (2.97%) 1.16%
Performance Inception Date Sep. 23, 2022    
Princeton Alternative Premium Fund Class A shares | Return Before Taxes Without Sales Charge [Member]      
Prospectus [Line Items]      
Average Annual Return, Percent   2.96% 3.83%
Princeton Alternative Premium Fund Class I shares      
Prospectus [Line Items]      
Average Annual Return, Label [Optional Text] Return before taxes    
Average Annual Return, Percent   4.22% 4.92%
Performance Inception Date Sep. 23, 2022    
Princeton Alternative Premium Fund Class I shares | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent   2.55% 3.26%
Princeton Alternative Premium Fund Class I shares | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent   2.64% 3.18%
[1] The S&P 500 Total Return Index is a widely accepted, unmanaged index of U.S. stock market performance which does not take into account charges, fees, taxes and other expenses. Investors may not invest in the index directly.
[2] Returns for Class A shares include the maximum sales charge of 5.75%.