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 GROWTH FUND | Investor Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | (6.37%) | 6.25% | 15.24% | (29.31%) | 15.01% | 24.92% | 27.59% | (6.96%) | 25.55% | 16.19% |