Annual Fund Operating Expenses |
Apr. 30, 2026 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Driehaus Emerging Markets Growth Fund | Investor Shares | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 0.80% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.34% | |||||||||||||||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 1.15% | [1] | ||||||||||||||||||
| Driehaus Emerging Markets Growth Fund | Institutional Shares | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 0.80% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.10% | |||||||||||||||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 0.91% | [1] | ||||||||||||||||||
| Driehaus Emerging Markets Small Cap Growth Fund | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||||||||||
| Driehaus Emerging Markets Small Cap Growth Fund | Driehaus Emerging Markets Small Cap Growth Fund Shares | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 1.10% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.20% | |||||||||||||||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 1.31% | |||||||||||||||||||
| Fee Waiver or Reimbursement | (0.06%) | [2] | ||||||||||||||||||
| Net Expenses (as a percentage of Assets) | 1.25% | [3] | ||||||||||||||||||
| Driehaus Global Fund | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||||||||||
| Driehaus Global Fund | Driehaus Global Fund Shares | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 0.65% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.19% | |||||||||||||||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 0.85% | |||||||||||||||||||
| Fee Waiver or Reimbursement | (0.09%) | [4] | ||||||||||||||||||
| Net Expenses (as a percentage of Assets) | 0.76% | [5] | ||||||||||||||||||
| Driehaus International Small Cap Growth Fund | Driehaus International Small Cap Growth Fund Shares | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 1.00% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.13% | |||||||||||||||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 1.14% | [6] | ||||||||||||||||||
| Driehaus International Developed Equity Fund | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||||||||||
| Driehaus International Developed Equity Fund | Driehaus International Developed Equity Fund Shares | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 0.70% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 3.15% | |||||||||||||||||||
| Acquired Fund Fees and Expenses | 0.01% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 3.86% | |||||||||||||||||||
| Fee Waiver or Reimbursement | (3.05%) | [7] | ||||||||||||||||||
| Net Expenses (as a percentage of Assets) | 0.81% | [8] | ||||||||||||||||||
| Driehaus Micro Cap Growth Fund | Driehaus Micro Cap Growth Fund Shares | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 1.25% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.09% | |||||||||||||||||||
| Acquired Fund Fees and Expenses | 1.34% | |||||||||||||||||||
| Driehaus Small Cap Growth Fund | Investor Share Class | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.33% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 0.93% | |||||||||||||||||||
| Driehaus Small Cap Growth Fund | Institutional Share Class | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.09% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 0.69% | |||||||||||||||||||
| Driehaus Small/Mid Cap Growth Fund | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | April 30, 2027 | |||||||||||||||||||
| Driehaus Small/Mid Cap Growth Fund | Driehaus Small/Mid Cap Growth Fund Shares | ||||||||||||||||||||
| Prospectus [Line Items] | ||||||||||||||||||||
| Management Fees (as a percentage of Assets) | 0.60% | |||||||||||||||||||
| Other Expenses (as a percentage of Assets): | 0.19% | |||||||||||||||||||
| Expenses (as a percentage of Assets) | 0.79% | |||||||||||||||||||
| Fee Waiver or Reimbursement | 0.01% | [9] | ||||||||||||||||||
| Net Expenses (as a percentage of Assets) | 0.80% | |||||||||||||||||||
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