Legacy Class and Institutional 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 |
|
| Legacy Class and Institutional Class | MERIDIAN GROWTH FUND | Legacy Class | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 6.31% | 6.29% | 15.29% | (29.26%) | 15.12% | 24.92% | 27.63% | (6.91%) | 25.63% | 16.28% |