XML 66 R52.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of significant accounting policies - Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Federal statutory rate |  |  |  | 35.00% | 35.00% | 35.00%
Increase in income tax expense due to Tax Cuts and Jobs Act | $ 2.6 |  |  |  |  |
Increase in income tax expense due to Tax Cuts and Jobs Act (in dollars per share) | $ 0.35 |  |  |  |  |
Reclassification from AOCI to retained earning due to the Tax Cuts And Jobs Act Of 2017 |  |  | $ 1.1 |  |  |
Forecast |  |  |  |  |  |
Federal statutory rate |  | 21.00% |  |  |  |

X
- Definition Amount of income tax expense (benefit) from effect of Tax Cuts and Jobs Act of 2017. + References No definition available. + Details
Name: | pfis_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit
Namespace Prefix: | pfis_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of income tax expense (benefit) from effect of Tax Cuts and Jobs Act of 2017 per share. + References No definition available. + Details
Name: | pfis_TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitPerShare
Namespace Prefix: | pfis_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reclassification from AOCI to retained earning due to the Tax Cuts And Jobs Act Of 2017. + References No definition available. + Details
Name: | pfis_TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarnings
Namespace Prefix: | pfis_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |