v3.26.3
Expense Example, No Redemption - ARBITRAGE FUND - ARBITRAGE FUND - Class C
Sep. 25, 2026
USD ($)
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 249
Expense Example, No Redemption, 3 Years 767
Expense Example, No Redemption, 5 Years 1,311
Expense Example, No Redemption, 10 Years $ 2,796