v3.26.1
Expense Example, No Redemption - THE GABELLI ASSET FUND
Apr. 30, 2026
USD ($)
THE GABELLI ASSET FUND CLASS AAA  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 137
Expense Example, No Redemption, 3 Years 427
Expense Example, No Redemption, 5 Years 739
Expense Example, No Redemption, 10 Years 1,623
THE GABELLI ASSET FUND CLASS A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 705
Expense Example, No Redemption, 3 Years 978
Expense Example, No Redemption, 5 Years 1,272
Expense Example, No Redemption, 10 Years 2,107
THE GABELLI ASSET FUND CLASS C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 213
Expense Example, No Redemption, 3 Years 658
Expense Example, No Redemption, 5 Years 1,129
Expense Example, No Redemption, 10 Years 2,432
THE GABELLI ASSET FUND CLASS I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 112
Expense Example, No Redemption, 3 Years 350
Expense Example, No Redemption, 5 Years 607
Expense Example, No Redemption, 10 Years $ 1,341