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Allowance on troubled debt restructured loans in financing receivables.

No definition available.

Name:	pgc_AllowanceOnTroubledDebtRestructuring
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Financing receivable cumulative number of loans modifications.

No definition available.

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Amount of investment in specific reserve accrual financing receivables (after modification) modified by troubled debt restructurings.

No definition available.

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Balance Type:	debit
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Financing receivable substandard and impaired loan.

No definition available.

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Period gain (loss) on loans held for sale at lower of cost or fair value.

No definition available.

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Impaired non accrual troubled debt restructured loans in financing receivables that are on nonaccrual status as of the balance sheet date.

No definition available.

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Loan receivable, validate risk ratings performed for criticized and classified rated borrowers with relationship exposure, value.

No definition available.

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Loan receivable, validate risk ratings performed for large sample of borrowers with relationship, value.

No definition available.

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Loan receivable, validate risk ratings performed for large sample or new lending to existing relationships, value.

No definition available.

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Loan receivable validate risk ratings performed for leveraged loans, value.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Loan receivable, validate risk ratings performed for new regulation loan commitments, value.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Loan receivable validate risk ratings performed for no borrower with commitments, value.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Loan receivable, validate risk ratings performed for Small sample of borrowers with relationship, value.

No definition available.

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Loans And Leases Receivable, Held At Cost Or Fair Value.

No definition available.

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Namespace Prefix:	pgc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Number of loans sold.

No definition available.

Name:	pgc_NumberOfLoansSold
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Amount of writeoff of financing receivable, charged against allowance for credit loss.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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Number of financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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Period Type:	duration

Amount of financing receivable on nonaccrual status.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Amount of financing receivable modified on trial basis.

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Name:	srt_RangeAxis=srt_MinimumMember
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