XML 12 R56.htm IDEA: XBRL DOCUMENT
v3.20.1

DEPOSITS (Details of Total Deposits) (Details) - USD ($) $ in Millions | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deposits: |  |
Reciprocal balances | $ 569.4 | $ 423.8

X
- Definition Deposits + References No definition available. + Details
Name: | pgc_DepositsDetailsAbstract
Namespace Prefix: | pgc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest Bearing Deposit, Reciprocal Program. + References No definition available. + Details
Name: | pgc_InterestBearingForeignDepositReciprocalProgram
Namespace Prefix: | pgc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant