Compensation and Benefits - Class B-1 Closing Market Price (Details) - Class B-1 Unit $ in Thousands	Dec. 31, 2021 USD ($)
Compensation Arrangements [Line Items]
Aggregate Intrinsic Value, Units Outstanding	$ 11,164
Aggregate Intrinsic Value, Units Exercisable	$ 4,914

Sharebased compensation arrangement by sharebased payment award equity instruments other than options aggregate intrinsic value exercisable.

No definition available.

Name:	pzn_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueExercisable
Namespace Prefix:	pzn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant