FAIR VALUE (Schedule of Residential Loans Held for Sale, at Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
FAIR VALUE [Abstract]
Residential loans contractual balance	$ 826pgc_ResidentialLoansContractualAmount	$ 1,975pgc_ResidentialLoansContractualAmount
Fair value adjustment	13us-gaap_AssetsFairValueAdjustment	26us-gaap_AssetsFairValueAdjustment
Total fair value of residential loans held for sale	$ 839pgc_LoansHeldForSaleAtFairValue	$ 2,001pgc_LoansHeldForSaleAtFairValue

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

No definition available.

Name:	us-gaap_AssetsFairValueAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration