v3.26.1
Shareholder Fees
Apr. 30, 2026
USD ($)
Mairs & Power Fund | Mairs & Power Fund, Investor Class  
Prospectus [Line Items]  
Shareholder Fee, Other $ 0
Mairs & Power Balanced Fund | Mairs & Power Balanced Fund, Investor Class  
Prospectus [Line Items]  
Shareholder Fee, Other $ 0
Mairs & Power Small Cap Fund | Mairs & Power Small Cap Fund, Investor Class  
Prospectus [Line Items]  
Redemption Fee (as a percentage of Amount Redeemed) (1.00%)