XML 76 R34.htm IDEA: XBRL DOCUMENT
v3.20.1

Investment securities - Amortized Cost and Fair Value of Investment Securities Aggregated by Investment Category (Details) $ in Thousands | Mar. 31, 2020 USD ($) company | Dec. 31, 2019 USD ($)
--- | --- | ---
Schedule of Trading Securities and Other Trading Assets |  |
Available-for-sale, Amortized Cost | $ 293,687 | $ 328,643
Available-for-sale, Gross Unrealized Gains | 9,539 | 2,988
Available-for-sale, Gross Unrealized Losses | 342 | 1,153
Available-for-sale, Fair Value | 302,884 | 330,478
Held-to-maturity, Amortized Cost | 7,520 | 7,656
Held-to-maturity, Gross Unrealized Gains | 183 | 233
Held-to-maturity, Gross Unrealized Losses | 16 |
Held-to-maturity, Fair value | 7,687 | 7,889
Equity investments carried at fair value | $ 299 | 423
Number of equity securities portfolio consisting of stock of other financial institutions | company | 2 |
Fair value of equity portfolio in excess of cost basis | $ 22 |
Mortgage-backed Securities, U.S. government agencies |  |
Schedule of Trading Securities and Other Trading Assets |  |
Available-for-sale, Amortized Cost | 7,125 | 8,368
Available-for-sale, Gross Unrealized Gains | 178 | 112
Available-for-sale, Gross Unrealized Losses | 3 | 10
Available-for-sale, Fair Value | 7,300 | 8,470
Held-to-maturity, Amortized Cost | 28 | 31
Held-to-maturity, Fair value | 28 | 31
Mortgage-backed Securities, U.S. government-sponsored enterprises |  |
Schedule of Trading Securities and Other Trading Assets |  |
Available-for-sale, Amortized Cost | 98,880 | 101,914
Available-for-sale, Gross Unrealized Gains | 4,143 | 1,011
Available-for-sale, Gross Unrealized Losses | 3 | 77
Available-for-sale, Fair Value | 103,020 | 102,848
Held-to-maturity, Amortized Cost | 641 | 773
Held-to-maturity, Gross Unrealized Gains | 30 | 25
Held-to-maturity, Gross Unrealized Losses | 1 |
Held-to-maturity, Fair value | 670 | 798
Commercial mortgage-backed Securities, U.S. government-sponsored enterprises |  |
Schedule of Trading Securities and Other Trading Assets |  |
Available-for-sale, Amortized Cost | 12,675 | 12,694
Available-for-sale, Gross Unrealized Gains | 638 | 171
Available-for-sale, Gross Unrealized Losses |  | 4
Available-for-sale, Fair Value | 13,313 | 12,861
U.S. government-sponsored enterprises state and municipals |  |
Schedule of Trading Securities and Other Trading Assets |  |
Available-for-sale, Amortized Cost | 83,028 | 87,156
Available-for-sale, Gross Unrealized Gains | 1,562 | 181
Available-for-sale, Gross Unrealized Losses |  | 227
Available-for-sale, Fair Value | 84,590 | 87,110
U.S. Treasuries |  |
Schedule of Trading Securities and Other Trading Assets |  |
Available-for-sale, Amortized Cost | 21,471 | 23,966
Available-for-sale, Gross Unrealized Gains | 650 | 162
Available-for-sale, Fair Value | 22,121 | 24,128
Common equity securities. |  |
Schedule of Trading Securities and Other Trading Assets |  |
Equity investments carried at fair value | 299 | 423
State and Municipals, Taxable |  |
Schedule of Trading Securities and Other Trading Assets |  |
Available-for-sale, Amortized Cost | 32,116 | 35,418
Available-for-sale, Gross Unrealized Gains | 772 | 295
Available-for-sale, Gross Unrealized Losses | 328 | 815
Available-for-sale, Fair Value | 32,560 | 34,898
State and Municipals, Tax-exempt |  |
Schedule of Trading Securities and Other Trading Assets |  |
Available-for-sale, Amortized Cost | 38,392 | 59,127
Available-for-sale, Gross Unrealized Gains | 1,596 | 1,056
Available-for-sale, Gross Unrealized Losses | 8 | 20
Available-for-sale, Fair Value | 39,980 | 60,163
Held-to-maturity, Amortized Cost | 6,851 | 6,852
Held-to-maturity, Gross Unrealized Gains | 153 | 208
Held-to-maturity, Gross Unrealized Losses | 15 |
Held-to-maturity, Fair value | $ 6,989 | $ 7,060

X
- Definition The amount the fair value of the equity portfolio exceeded the cost basis. + References No definition available. + Details
Name: | pfis_FairValueInExcessOfCostBasis
Namespace Prefix: | pfis_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of equity securities portfolio consisting of stock of other financial institutions. + References No definition available. + Details
Name: | pfis_NumberOfEquitySecuritiesPortfolioConsistingOfStockOfOtherFinancialInstitutions
Namespace Prefix: | pfis_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27232-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=pfis_MortgageBackedUsGovernmentAgenciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=pfis_CommercialMortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_TaxableMunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_NontaxableMunicipalBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |