Goodwill and Intangible Assets - Changes in Carrying Value of Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified
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12 Months Ended |
Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Goodwill |
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Goodwill beginning balance |
$ 210,634us-gaap_Goodwill |
$ 196,844us-gaap_Goodwill |
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Goodwill acquired |
0us-gaap_GoodwillAcquiredDuringPeriod |
13,790us-gaap_GoodwillAcquiredDuringPeriod |
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Measurement period adjustment |
1,244us-gaap_GoodwillPurchaseAccountingAdjustments |
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Goodwill ending balance |
211,878us-gaap_Goodwill |
210,634us-gaap_Goodwill |
196,844us-gaap_Goodwill |
Intangible assets |
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Intangible assets beginning balance |
39,930us-gaap_IntangibleAssetsNetExcludingGoodwill |
41,258us-gaap_IntangibleAssetsNetExcludingGoodwill |
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Finite-lived Intangible Assets Acquired |
0us-gaap_FinitelivedIntangibleAssetsAcquired1 |
6,665us-gaap_FinitelivedIntangibleAssetsAcquired1 |
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Amortization of intangible assets |
(9,272)us-gaap_AmortizationOfIntangibleAssets |
(7,993)us-gaap_AmortizationOfIntangibleAssets |
(6,944)us-gaap_AmortizationOfIntangibleAssets |
Intangible assets ending balance |
30,658us-gaap_IntangibleAssetsNetExcludingGoodwill |
39,930us-gaap_IntangibleAssetsNetExcludingGoodwill |
41,258us-gaap_IntangibleAssetsNetExcludingGoodwill |
Capital Markets |
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Goodwill |
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Goodwill beginning balance |
13,790us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
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Goodwill acquired |
0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
13,790us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
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Measurement period adjustment |
1,244us-gaap_GoodwillPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
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Goodwill ending balance |
15,034us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
13,790us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
0us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
Intangible assets |
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Intangible assets beginning balance |
5,316us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
0us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
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Finite-lived Intangible Assets Acquired |
0us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
6,665us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
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Amortization of intangible assets |
(2,972)us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
(1,349)us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
0us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
Intangible assets ending balance |
2,344us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
5,316us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
0us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_CapitalMarketsMember |
Asset Mgmt [Member] |
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Goodwill |
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Goodwill beginning balance |
196,844us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
196,844us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
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Goodwill acquired |
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0us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
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Measurement period adjustment |
0us-gaap_GoodwillPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
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Goodwill ending balance |
196,844us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
196,844us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
196,844us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
Intangible assets |
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Intangible assets beginning balance |
34,614us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
41,258us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
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Finite-lived Intangible Assets Acquired |
0us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
0us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
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Amortization of intangible assets |
(6,300)us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
(6,644)us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
(6,944)us-gaap_AmortizationOfIntangibleAssets / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
Intangible assets ending balance |
$ 28,314us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
$ 34,614us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |
$ 41,258us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = pjc_AssetMgmtMember |