Shareholder Fees	Jun. 30, 2026 USD ($)
Osterweis Fund \| Osterweis Fund Investor Class
Prospectus [Line Items]
Shareholder Fee, Other	$ 0
Osterweis Strategic Income Fund \| Osterweis Strategic Income Fund Investor Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Osterweis Growth & Income Fund \| Osterweis Growth & Income Fund Investor Class
Prospectus [Line Items]
Shareholder Fee, Other	0
Osterweis Opportunity Fund \| Osterweis Opportunity Fund Investor Class
Prospectus [Line Items]
Shareholder Fee, Other	$ 0