v3.25.2
S000055250 [Member] Average Annual Total Returns
 12 Months Ended 60 Months Ended 96 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2024
HFRX Equity Hedge Index (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 7.83% 5.53% 4.75% [1]
Wilshire Liquid Alternative Equity Hedge Index (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 12.03% 5.75% 4.80% [1]
MSCI World Index (Net) (reflects reinvested dividends net of withholding taxes but reflects no deductions for fees, expenses or other taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 18.67% 11.17% 11.93% [1]
S&P 500® Index (reflects no deductions for fees, expenses or taxes)      
Prospectus [Line Items]      
Average Annual Return, Percent 25.02% 14.53% 15.19% [1]
C000179758 [Member]      
Prospectus [Line Items]      
Average Annual Return, Percent 19.86% 7.51% 5.81% [1]
Performance Inception Date     Jan. 03, 2017
C000179758 [Member] | After Taxes on Distributions      
Prospectus [Line Items]      
Average Annual Return, Percent 16.41% 5.71% 3.41% [1]
Performance Inception Date     Jan. 03, 2017
C000179758 [Member] | After Taxes on Distributions and Sales      
Prospectus [Line Items]      
Average Annual Return, Percent 12.83% 5.39% 3.91% [1]
Performance Inception Date     Jan. 03, 2017
[1] Returns shown for periods prior to the inception date for Class Inst shares include the returns of the Fund’s Class A shares for the period from October 17, 2016 (the Fund’s inception date) through January 2, 2017. Class A shares were offered prior to the inception date of the Fund’s Class Inst shares but have since been merged into the Fund’s Class Inst shares.