XML 34 R81.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Other assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Other Assets [Abstract] |  |
Unpaid principal balances of mortgage loans serviced for others | $ 169,450 | $ 113,340

X
- Definition Unpaid Principal Balances Of Mortgage Loans Serviced For Others + References No definition available. + Details
Name: | pfis_UnpaidPrincipalBalancesOfMortgageLoansServicedForOthers
Namespace Prefix: | pfis_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_OtherAssetsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration