Shareholder Report, Holdings (Details)
|
Jun. 30, 2026 |
| Driehaus Emerging Markets Growth Fund - Institutional Class | Samsung Electronics Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.70%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | SK hynix, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.70%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Taiwan Semiconductor Manufacturing Co. Ltd. - SP ADR [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.70%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Tencent Holdings Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.80%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | ASE Technology Holding Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.70%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | OTP Bank Nyrt. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | CTBC Financial Holding Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Credicorp Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Taiwan Semiconductor Manufacturing Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.80%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Northern Institutional U.S. Government Select Portfolio (Shares Class), 3.53% [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.40%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Communications Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.90%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.50%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
44.20%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
25.40%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
15.40%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | KOREA, REPUBLIC OF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.60%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | CHINA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.90%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | BRAZIL |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.30%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | TAIWAN |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
27.30%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | INDIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.90%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.30%
|
| Driehaus Emerging Markets Growth Fund - Institutional Class | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
18.10%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Samsung Electronics Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.70%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | SK hynix, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.70%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Taiwan Semiconductor Manufacturing Co. Ltd. - SP ADR [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.70%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Tencent Holdings Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.80%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | ASE Technology Holding Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.70%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | OTP Bank Nyrt. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | CTBC Financial Holding Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Credicorp Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Taiwan Semiconductor Manufacturing Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.80%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Northern Institutional U.S. Government Select Portfolio (Shares Class), 3.53% [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.40%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Communications Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.90%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.50%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
44.20%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
25.40%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
15.40%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | KOREA, REPUBLIC OF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
19.60%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | CHINA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.90%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | BRAZIL |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.30%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | TAIWAN |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
27.30%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | INDIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.90%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.30%
|
| Driehaus Emerging Markets Growth Fund - Investor Class | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
18.10%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Hyosung Heavy Industries Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.90%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Vista Energy SAB de CV - ADR [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.30%
|
| Driehaus Emerging Markets Small Cap Growth Fund | HPSP Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.30%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Orizon Valorizacao de Residuos SA [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.30%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Hitachi Energy India Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.90%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Kinik Co. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.90%
|
| Driehaus Emerging Markets Small Cap Growth Fund | GE Vernova T&D India Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Mega Union Technology, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Aditya Infotech Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Northern Institutional U.S. Government Select Portfolio (Shares Class), 3.53% [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.70%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Utilities Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.10%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Materials Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
11.00%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Consumer Staples Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.30%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Energy Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.80%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
39.50%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
17.20%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.90%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.10%
|
| Driehaus Emerging Markets Small Cap Growth Fund | KOREA, REPUBLIC OF |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.20%
|
| Driehaus Emerging Markets Small Cap Growth Fund | CHINA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
9.90%
|
| Driehaus Emerging Markets Small Cap Growth Fund | MEXICO |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| Driehaus Emerging Markets Small Cap Growth Fund | BRAZIL |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| Driehaus Emerging Markets Small Cap Growth Fund | TAIWAN |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
18.10%
|
| Driehaus Emerging Markets Small Cap Growth Fund | INDIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
21.60%
|
| Driehaus Emerging Markets Small Cap Growth Fund | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.80%
|
| Driehaus Emerging Markets Small Cap Growth Fund | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
22.30%
|
| Driehaus Global Fund | Alphabet, Inc. - A [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.10%
|
| Driehaus Global Fund | NVIDIA Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.50%
|
| Driehaus Global Fund | Amazon.com, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.50%
|
| Driehaus Global Fund | Ibiden Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.80%
|
| Driehaus Global Fund | Taiwan Semiconductor Manufacturing Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.20%
|
| Driehaus Global Fund | Eli Lilly & Co. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.10%
|
| Driehaus Global Fund | Seagate Technology Holdings PLC [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Global Fund | Disco Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| Driehaus Global Fund | ASML Holding NV [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| Driehaus Global Fund | Northern Institutional U.S. Government Select Portfolio (Shares Class), 3.53% [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.10%
|
| Driehaus Global Fund | Communications Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.10%
|
| Driehaus Global Fund | Materials Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.10%
|
| Driehaus Global Fund | Consumer Staples Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.50%
|
| Driehaus Global Fund | Energy Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| Driehaus Global Fund | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.70%
|
| Driehaus Global Fund | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
33.00%
|
| Driehaus Global Fund | Healthcare Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.50%
|
| Driehaus Global Fund | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
16.10%
|
| Driehaus Global Fund | Consumer Discretionary Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.70%
|
| Driehaus Global Fund | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus Global Fund | TAIWAN |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.20%
|
| Driehaus Global Fund | JAPAN |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.50%
|
| Driehaus Global Fund | UNITED KINGDOM |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.60%
|
| Driehaus Global Fund | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
55.20%
|
| Driehaus Global Fund | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
22.90%
|
| Driehaus International Small Cap Growth Fund | AT&S Austria Technologie & Systemtechnik AG [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.50%
|
| Driehaus International Small Cap Growth Fund | SigmaRoc PLC [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.10%
|
| Driehaus International Small Cap Growth Fund | Smiths Group PLC [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus International Small Cap Growth Fund | Omron Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus International Small Cap Growth Fund | Resonac Holdings Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus International Small Cap Growth Fund | Azbil Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| Driehaus International Small Cap Growth Fund | Seiko Group Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus International Small Cap Growth Fund | PVA TePla AG [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| Driehaus International Small Cap Growth Fund | Senior PLC [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| Driehaus International Small Cap Growth Fund | Asahi Intecc Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| Driehaus International Small Cap Growth Fund | Communications Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.90%
|
| Driehaus International Small Cap Growth Fund | Materials Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.80%
|
| Driehaus International Small Cap Growth Fund | Consumer Staples Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.50%
|
| Driehaus International Small Cap Growth Fund | Energy Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.20%
|
| Driehaus International Small Cap Growth Fund | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
28.90%
|
| Driehaus International Small Cap Growth Fund | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
18.40%
|
| Driehaus International Small Cap Growth Fund | Healthcare Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.20%
|
| Driehaus International Small Cap Growth Fund | Consumer Discretionary Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
14.50%
|
| Driehaus International Small Cap Growth Fund | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.30%
|
| Driehaus International Small Cap Growth Fund | AUSTRIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.20%
|
| Driehaus International Small Cap Growth Fund | AUSTRALIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.40%
|
| Driehaus International Small Cap Growth Fund | INDIA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.20%
|
| Driehaus International Small Cap Growth Fund | JAPAN |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
20.00%
|
| Driehaus International Small Cap Growth Fund | UNITED KINGDOM |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
16.70%
|
| Driehaus International Small Cap Growth Fund | SWITZERLAND |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.20%
|
| Driehaus International Small Cap Growth Fund | GERMANY |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.80%
|
| Driehaus International Small Cap Growth Fund | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.80%
|
| Driehaus International Small Cap Growth Fund | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.40%
|
| Driehaus International Developed Equity Fund | ASML Holding NV [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.20%
|
| Driehaus International Developed Equity Fund | Infineon Technologies AG [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.30%
|
| Driehaus International Developed Equity Fund | Northern Institutional Treasury Portfolio, 3.51% [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.60%
|
| Driehaus International Developed Equity Fund | Tokyo Electron Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.10%
|
| Driehaus International Developed Equity Fund | Japan Tobacco, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.90%
|
| Driehaus International Developed Equity Fund | Ryohin Keikaku Co. Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.90%
|
| Driehaus International Developed Equity Fund | ICON PLC [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.60%
|
| Driehaus International Developed Equity Fund | Cie Financiere Richemont SA - A [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.40%
|
| Driehaus International Developed Equity Fund | Panasonic Holdings Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.40%
|
| Driehaus International Developed Equity Fund | UBS Group AG [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.40%
|
| Driehaus International Developed Equity Fund | Materials Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.90%
|
| Driehaus International Developed Equity Fund | Consumer Staples Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.90%
|
| Driehaus International Developed Equity Fund | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
20.80%
|
| Driehaus International Developed Equity Fund | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
23.20%
|
| Driehaus International Developed Equity Fund | Healthcare Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.00%
|
| Driehaus International Developed Equity Fund | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
11.70%
|
| Driehaus International Developed Equity Fund | Consumer Discretionary Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
17.40%
|
| Driehaus International Developed Equity Fund | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.10%
|
| Driehaus International Developed Equity Fund | JAPAN |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
25.60%
|
| Driehaus International Developed Equity Fund | NETHERLANDS |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
13.40%
|
| Driehaus International Developed Equity Fund | UNITED KINGDOM |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
11.80%
|
| Driehaus International Developed Equity Fund | SWITZERLAND |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.30%
|
| Driehaus International Developed Equity Fund | FRANCE |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.70%
|
| Driehaus International Developed Equity Fund | GERMANY |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.70%
|
| Driehaus International Developed Equity Fund | ITALY |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.80%
|
| Driehaus International Developed Equity Fund | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.90%
|
| Driehaus International Developed Equity Fund | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
15.80%
|
| Driehaus Micro Cap Growth Fund | Ultra Clean Holdings, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.90%
|
| Driehaus Micro Cap Growth Fund | Cardinal Infrastructure Group, Inc. - A [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.90%
|
| Driehaus Micro Cap Growth Fund | CECO Environmental Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Micro Cap Growth Fund | nLight, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| Driehaus Micro Cap Growth Fund | Xometry, Inc. - A [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.50%
|
| Driehaus Micro Cap Growth Fund | Edgewise Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| Driehaus Micro Cap Growth Fund | Definium Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.40%
|
| Driehaus Micro Cap Growth Fund | Spyre Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus Micro Cap Growth Fund | Praxis Precision Medicines, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.10%
|
| Driehaus Micro Cap Growth Fund | Silicon Motion Technology Corp. - ADR [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.40%
|
| Driehaus Micro Cap Growth Fund | Energy Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.40%
|
| Driehaus Micro Cap Growth Fund | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
22.60%
|
| Driehaus Micro Cap Growth Fund | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
20.00%
|
| Driehaus Micro Cap Growth Fund | Healthcare Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
31.20%
|
| Driehaus Micro Cap Growth Fund | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.70%
|
| Driehaus Micro Cap Growth Fund | Consumer Discretionary Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.70%
|
| Driehaus Micro Cap Growth Fund | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.30%
|
| Driehaus Micro Cap Growth Fund | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.80%
|
| Driehaus Micro Cap Growth Fund | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
90.70%
|
| Driehaus Micro Cap Growth Fund | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
3.40%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Northern Institutional U.S. Government Select Portfolio (Shares Class), 3.53% [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.70%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Vicor Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Apogee Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Definium Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Planet Labs PBC [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Spyre Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Guardant Health, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Praxis Precision Medicines, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Curtiss-Wright Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.50%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Silicon Motion Technology Corp. - ADR [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.90%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Energy Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.70%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
17.90%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Healthcare Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
28.10%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.50%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Consumer Discretionary Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.70%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| Driehaus Small Cap Growth Fund - Institutional Class | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| Driehaus Small Cap Growth Fund - Institutional Class | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
90.20%
|
| Driehaus Small Cap Growth Fund - Institutional Class | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| Driehaus Small Cap Growth Fund - Investor Class | Northern Institutional U.S. Government Select Portfolio (Shares Class), 3.53% [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.70%
|
| Driehaus Small Cap Growth Fund - Investor Class | Vicor Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus Small Cap Growth Fund - Investor Class | Apogee Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| Driehaus Small Cap Growth Fund - Investor Class | Definium Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small Cap Growth Fund - Investor Class | Planet Labs PBC [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small Cap Growth Fund - Investor Class | Spyre Therapeutics, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small Cap Growth Fund - Investor Class | Guardant Health, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.00%
|
| Driehaus Small Cap Growth Fund - Investor Class | Praxis Precision Medicines, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small Cap Growth Fund - Investor Class | Curtiss-Wright Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.50%
|
| Driehaus Small Cap Growth Fund - Investor Class | Silicon Motion Technology Corp. - ADR [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.90%
|
| Driehaus Small Cap Growth Fund - Investor Class | Energy Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| Driehaus Small Cap Growth Fund - Investor Class | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
26.70%
|
| Driehaus Small Cap Growth Fund - Investor Class | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
17.90%
|
| Driehaus Small Cap Growth Fund - Investor Class | Healthcare Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
28.10%
|
| Driehaus Small Cap Growth Fund - Investor Class | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
10.50%
|
| Driehaus Small Cap Growth Fund - Investor Class | Consumer Discretionary Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
6.70%
|
| Driehaus Small Cap Growth Fund - Investor Class | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
5.00%
|
| Driehaus Small Cap Growth Fund - Investor Class | CANADA |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.70%
|
| Driehaus Small Cap Growth Fund - Investor Class | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
90.20%
|
| Driehaus Small Cap Growth Fund - Investor Class | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.00%
|
| Driehaus Small/Mid Cap Growth Fund | Northern Institutional U.S. Government Portfolio, 3.46% [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.20%
|
| Driehaus Small/Mid Cap Growth Fund | Astera Labs, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.70%
|
| Driehaus Small/Mid Cap Growth Fund | Guardant Health, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
2.10%
|
| Driehaus Small/Mid Cap Growth Fund | Praxis Precision Medicines, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| Driehaus Small/Mid Cap Growth Fund | Comfort Systems USA, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| Driehaus Small/Mid Cap Growth Fund | Carpenter Technology Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.80%
|
| Driehaus Small/Mid Cap Growth Fund | Curtiss-Wright Corp. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small/Mid Cap Growth Fund | Natera, Inc. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small/Mid Cap Growth Fund | Silicon Motion Technology Corp. - ADR [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.70%
|
| Driehaus Small/Mid Cap Growth Fund | Credo Technology Group Holding Ltd. [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
1.60%
|
| Driehaus Small/Mid Cap Growth Fund | Industrial Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
35.50%
|
| Driehaus Small/Mid Cap Growth Fund | Information Technology Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
25.00%
|
| Driehaus Small/Mid Cap Growth Fund | Healthcare Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
20.20%
|
| Driehaus Small/Mid Cap Growth Fund | Financial Services Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.80%
|
| Driehaus Small/Mid Cap Growth Fund | Consumer Discretionary Sector [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
7.80%
|
| Driehaus Small/Mid Cap Growth Fund | Other less than 4 Percent [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
4.80%
|
| Driehaus Small/Mid Cap Growth Fund | UNITED STATES |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
93.10%
|
| Driehaus Small/Mid Cap Growth Fund | Other less than 4 percent country [Member] |
|
| Holdings [Line Items] |
|
| Percent of Net Asset Value |
8.00%
|