Class A Class C and Investor Class [Member] Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
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 |
|
| Class A, Class C and Investor Class | Meridian Small Cap Growth Fund | Investor Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 1.30% | 11.71% | 14.02% | (24.79%) | 7.79% | 27.78% | 18.92% | 0.71% | 22.83% | 20.36% |