Label	Element	Value
Osterweis Growth & Income Fund \| Alphabet, Inc. - Class C [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	4.30%
Osterweis Growth & Income Fund \| Federated Hermes US Treasury Cash Reserves - Class Institutional [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	3.20%
Osterweis Growth & Income Fund \| Amazon.com, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.40%
Osterweis Growth & Income Fund \| Microsoft Corp. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.30%
Osterweis Growth & Income Fund \| Broadcom, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.30%
Osterweis Growth & Income Fund \| Visa, Inc. - Class A [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.20%
Osterweis Growth & Income Fund \| Analog Devices, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.10%
Osterweis Growth & Income Fund \| JPMorgan Chase & Co. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	2.10%
Osterweis Growth & Income Fund \| Novartis AG [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	1.90%
Osterweis Growth & Income Fund \| AutoZone, Inc. [Member]
Holdings [Line Items]	oef_HoldingsLineItems
Percent of Net Asset Value	oef_PctOfNav	1.90%