S000004423 [Member] Annual Fund Operating Expenses - Ultra-Small Company Fund - Class N |
Jun. 30, 2025 |
|---|---|
| Prospectus [Line Items] | |
| Management Fees (as a percentage of Assets) | 0.90% |
| Distribution and Service (12b-1) Fees | 0.00% |
| Other Expenses (as a percentage of Assets): | 0.31% |
| Expenses (as a percentage of Assets) | 1.21% |