XML 29 R57.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Merger accounting - Summary of Merger Related Costs (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Merger Related Items [Line Items] |  |  |
Merger related costs | $ 1,725,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts | $ 4,609,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts | $ 0 us-gaap_BusinessCombinationAcquisitionRelatedCosts
Accounting [Member] |  |  |
Merger Related Items [Line Items] |  |  |
Merger related costs | 258,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_AccountingMember | 65,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_AccountingMember |
Legal and Consulting [Member] |  |  |
Merger Related Items [Line Items] |  |  |
Merger related costs | 85,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_LegalAndOtherConsultingFeesMember | 1,011,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_LegalAndOtherConsultingFeesMember |
Salaries and Benefits [Member] |  |  |
Merger Related Items [Line Items] |  |  |
Merger related costs | 459,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_SalariesAndBenefitsMember | 1,851,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_SalariesAndBenefitsMember |
Equipment Disposition and Contract Termination [Member] |  |  |
Merger Related Items [Line Items] |  |  |
Merger related costs | 440,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_EquipmentDispositionAndContractTerminationMember | 709,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_EquipmentDispositionAndContractTerminationMember |
System Conversion/Deconversion Costs [Member] |  |  |
Merger Related Items [Line Items] |  |  |
Merger related costs | 278,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_SystemConversionDeconversionCostsMember | 956,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = pfis_SystemConversionDeconversionCostsMember |
Other [Member] |  |  |
Merger Related Items [Line Items] |  |  |
Merger related costs | $ 205,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherExpenseMember | $ 17,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_IncomeStatementLocationAxis = us-gaap_OtherExpenseMember |

X
- Details
Name: | pfis_MergerRelatedItemsLineItems
Namespace Prefix: | pfis_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=pfis_AccountingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=pfis_EquipmentDispositionAndContractTerminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=pfis_LegalAndOtherConsultingFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=pfis_SalariesAndBenefitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=pfis_SystemConversionDeconversionCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |