Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| THE GABELLI UTILITIES FUND CLASS A | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 13.00% | (6.53%) | (5.41%) | 17.49% | (3.43%) | 18.75% | (2.15%) | 8.93% | 17.00% | (8.25%) |