v3.25.1
Expense Example, No Redemption - THE GABELLI DIVIDEND GROWTH FUND
Apr. 30, 2025
USD ($)
THE GABELLI DIVIDEND GROWTH FUND CLASS AAA  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 203
Expense Example, No Redemption, 3 Years 762
Expense Example, No Redemption, 5 Years 1,347
Expense Example, No Redemption, 10 Years 2,935
THE GABELLI DIVIDEND GROWTH FUND CLASS A  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 766
Expense Example, No Redemption, 3 Years 1,292
Expense Example, No Redemption, 5 Years 1,844
Expense Example, No Redemption, 10 Years 3,340
THE GABELLI DIVIDEND GROWTH FUND CLASS C  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 278
Expense Example, No Redemption, 3 Years 984
Expense Example, No Redemption, 5 Years 1,714
Expense Example, No Redemption, 10 Years 3,641
THE GABELLI DIVIDEND GROWTH FUND CLASS I  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 102
Expense Example, No Redemption, 3 Years 635
Expense Example, No Redemption, 5 Years 1,195
Expense Example, No Redemption, 10 Years $ 2,723