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Receivables from and Payables to Brokers, Dealers and Clearing Organizations - Additional Information (Details) | Dec. 31, 2025 USD ($)
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Pershing clearing arrangement |
Schedule Of Compliance With Regulatory Capital Requirements For Broker Dealer |
Excess net capital required | $ 120,000,000

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- Definition The amount of excess net capital which the reporting entity's U.S. broker dealer subsidiary is required to maintain in order to maintain compliance with the debt instrument. + References No definition available. + Details
Name: | pipr_DebtInstrumentCovenantComplianceExcessNetCapitalRequirement
Namespace Prefix: | pipr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Schedule Of Compliance With Regulatory Capital Requirements For Broker Dealer [Line Items] + References No definition available. + Details
Name: | pipr_ScheduleOfComplianceWithRegulatoryCapitalRequirementsForBrokerDealerLineItems
Namespace Prefix: | pipr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_DebtInstrumentAxis=pipr_PershingclearingarrangementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |