S000001462 [Member] Annual Fund Operating Expenses - MERIDIAN GROWTH FUND |
Jun. 30, 2026 |
|---|---|
| Investor Class | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.77% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.26% |
| Expenses (as a percentage of Assets) | 1.03% |
| Class A | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.77% |
| Distribution and Service (12b-1) Fees | 0.25% |
| Other Expenses (as a percentage of Assets): | 0.27% |
| Expenses (as a percentage of Assets) | 1.29% |
| Class C | |
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.77% |
| Distribution and Service (12b-1) Fees | 1.00% |
| Other Expenses (as a percentage of Assets): | 0.24% |
| Expenses (as a percentage of Assets) | 2.01% |