v3.26.1
Investment Objectives and Goals
Jun. 30, 2026
Osterweis Fund  
Prospectus [Line Items]  
Risk/Return [Heading] OSTERWEIS FUND
Objective [Heading] Investment Objective
Objective, Primary [Text Block] The Osterweis Fund (the “Fund”) seeks long-term total returns.
Osterweis Strategic Income Fund  
Prospectus [Line Items]  
Risk/Return [Heading] OSTERWEIS STRATEGIC INCOME FUND
Objective [Heading] Investment Objective
Objective, Primary [Text Block] The Osterweis Strategic Income Fund (the “Fund”) seeks to preserve capital and attain long-term total returns through a combination of current income and moderate capital appreciation.
Osterweis Growth & Income Fund  
Prospectus [Line Items]  
Risk/Return [Heading] OSTERWEIS GROWTH & INCOME FUND
Objective [Heading] Investment Objective
Objective, Primary [Text Block] The Osterweis Growth & Income Fund (the “Fund”) seeks long-term total returns and capital preservation.
Osterweis Opportunity Fund  
Prospectus [Line Items]  
Risk/Return [Heading] OSTERWEIS OPPORTUNITY FUND
Objective [Heading] Investment Objective
Objective, Primary [Text Block] The Osterweis Opportunity Fund (the “Fund”) seeks long-term capital appreciation.