FAIR VALUE (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Impaired Loans:
OREO	$ 3,073	$ 7,137
Non-Recurring Basis \| Fair value
Impaired Loans:
Primary Residential Mortgage	1,195	1,462
Owner-Occupied Commercial Mortgage	1,989	1,303
Investment Commercial Real Estate		228
Multifamily		212
Junior Lien on Residence		117
OREO		2,135
Non-Recurring Basis \| Quoted Prices in Active Market For Identical Assets (Level 1)
Impaired Loans:
Primary Residential Mortgage
Owner-Occupied Commercial Mortgage
Investment Commercial Real Estate
Multifamily
Junior Lien on Residence
OREO
Non-Recurring Basis \| Significant Other Observable Inputs (Level 2)
Impaired Loans:
Primary Residential Mortgage
Owner-Occupied Commercial Mortgage
Investment Commercial Real Estate
Multifamily
Junior Lien on Residence
OREO
Non-Recurring Basis \| Significant Other Observable Inputs (Level 3)
Impaired Loans:
Primary Residential Mortgage	1,195	1,462
Owner-Occupied Commercial Mortgage	1,989	1,303
Investment Commercial Real Estate		228
Multifamily		212
Junior Lien on Residence		117
OREO		$ 2,135

This element refers to fair value of investment commercial real estate loans.

No definition available.

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

- Definition

This element refers to fair value of junior lien on residence loans.

+ References

No definition available.

+ Details

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

- Definition

This element refers to fair value of multifamily loans.

+ References

No definition available.

+ Details

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

- Definition

This element refers to fair value of owner occupied commercial mortgage loans.

+ References

No definition available.

+ Details

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

- Definition

This element refers to fair value of primary residential mortgage loans.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_LoanAndLeaseReceivablesImpairedAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10(4))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

-Paragraph 12-18

-IssueDate 2006-05-01

-Chapter 11

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_OtherRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant