v3.25.4
Expense Example, No Redemption - Rational Premium Income Fund
Dec. 31, 2025
USD ($)
Rational Premium Income Fund Institutional Shares  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 207
Expense Example, No Redemption, 3 Years 698
Expense Example, No Redemption, 5 Years 1,215
Expense Example, No Redemption, 10 Years 2,634
Rational Premium Income Fund Class A Shares  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 696
Expense Example, No Redemption, 3 Years 1,211
Expense Example, No Redemption, 5 Years 1,752
Expense Example, No Redemption, 10 Years 3,222
Rational Premium Income Fund Class C Shares  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 307
Expense Example, No Redemption, 3 Years 979
Expense Example, No Redemption, 5 Years 1,676
Expense Example, No Redemption, 10 Years $ 3,526