v3.26.1
Shareholder Report, Line Graph (Details) 196735_Osterweis Growth - Income Fund_TF_TSR Annual {TF} - USD ($)
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2026
Osterweis Growth & Income Fund                      
Account Value [Line Items]                      
Accumulated Value $ 20,784 $ 20,332 $ 17,288 $ 18,656 $ 17,361 $ 12,128 $ 12,857 $ 12,165 $ 11,491 $ 10,000 $ 22,813
S&P 500 [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     S&P 500
Accumulated Value 31,913 29,480 22,698 24,599 21,271 13,605 14,625 13,357 11,717 10,000 $ 37,594
Bloomberg US Aggregate Bond [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg US Aggregate Bond
Accumulated Value 11,342 10,814 10,633 11,168 11,651 11,569 10,620 10,165 10,044 10,000 $ 11,835
60% S&P 500/40% Bloomberg US Aggregate Blend [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     60% S&P 500/40% Bloomberg US Aggregate Blend
Accumulated Value $ 21,584 $ 20,169 $ 17,097 $ 18,237 $ 16,965 $ 12,881 $ 12,931 $ 11,997 $ 11,026 $ 10,000 $ 24,250