CONSOLIDATED STATEMENTS OF INCOME (Paranthetical) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($)
General and Administrative Expense [Member]
Reclassification Earnout Liability	$ 3,816

The amount repreaents reclassification earnout liability.

No definition available.

Name:	peri_ReclassificationEarnoutLiability
Namespace Prefix:	peri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration