XML 82 R72.htm IDEA: XBRL DOCUMENT
v3.22.2.2

FAIR VALUE MEASUREMENTS AND FAIR VALUES OF FINANCIAL INSTRUMENTS - Assets Measured at Fair Value (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Assets Measured at Fair Value |  |
Total, fair value | $ 487,980 | $ 517,679
Impaired loans with a valuation allowance | 3,396 | 6,540
Valuation allowance | (427) | (740)
Impaired loans, net | 3,396 | 6,540
Interest rate swap agreements |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 3,795 | 3,104
Fair value of the derivative liability | 3,795 | 3,104
Obligations of the U.S. Treasury |  |
Assets Measured at Fair Value |  |
Total, fair value | 31,599 | 24,912
Obligations of U.S. Government agencies |  |
Assets Measured at Fair Value |  |
Total, fair value | 21,389 | 24,091
Bank holding company debt securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 25,432 | 17,987
Obligations Of States And Political Subdivisions Tax Exempt |  |
Assets Measured at Fair Value |  |
Total, fair value | 126,710 | 148,028
Obligations Of States And Political Subdivisions Taxable |  |
Assets Measured at Fair Value |  |
Total, fair value | 58,317 | 72,765
Residential Passthrough Securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 102,739 | 98,181
Residential Collateralized Mortgage Obligations |  |
Assets Measured at Fair Value |  |
Total, fair value | 39,632 | 44,247
Commercial Mortgage Backed Securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 77,383 | 87,468
Private label commercial mortgage-backed securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 4,779 |
Recurring fair value measurements |  |
Assets Measured at Fair Value |  |
Total, fair value | 487,980 | 517,679
Marketable equity security | 857 | 971
Servicing rights | 2,649 | 2,329
Total asset fair value measurements | 495,281 | 524,083
Recurring fair value measurements | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 31,599 | 24,912
Marketable equity security | 857 | 971
Servicing rights | 0 | 0
Total asset fair value measurements | 32,456 | 25,883
Recurring fair value measurements | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 456,381 | 492,767
Marketable equity security | 0 | 0
Servicing rights | 0 | 0
Total asset fair value measurements | 460,176 | 495,871
Recurring fair value measurements | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Marketable equity security | 0 | 0
Servicing rights | 2,649 | 2,329
Total asset fair value measurements | 2,649 | 2,329
Recurring fair value measurements | Interest rate swap agreements |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 3,795 | 3,104
Fair value of the derivative liability | 3,795 | 3,104
Recurring fair value measurements | Interest rate swap agreements | Level 1 |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 0 | 0
Fair value of the derivative liability | 0 | 0
Recurring fair value measurements | Interest rate swap agreements | Level 2 |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 3,795 | 3,104
Fair value of the derivative liability | 3,795 | 3,104
Recurring fair value measurements | Interest rate swap agreements | Level 3 |  |
Assets Measured at Fair Value |  |
Fair value derivative asset | 0 | 0
Fair value of the derivative liability | 0 | 0
Recurring fair value measurements | Obligations of the U.S. Treasury |  |
Assets Measured at Fair Value |  |
Total, fair value | 31,599 | 24,912
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 31,599 | 24,912
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations of the U.S. Treasury | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations of U.S. Government agencies |  |
Assets Measured at Fair Value |  |
Total, fair value | 21,389 | 24,091
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 21,389 | 24,091
Recurring fair value measurements | Obligations of U.S. Government agencies | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Bank holding company debt securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 25,432 | 17,987
Recurring fair value measurements | Bank holding company debt securities | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Bank holding company debt securities | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 25,432 | 17,987
Recurring fair value measurements | Bank holding company debt securities | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt |  |
Assets Measured at Fair Value |  |
Total, fair value | 126,710 | 148,028
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 126,710 | 148,028
Recurring fair value measurements | Obligations Of States And Political Subdivisions Tax Exempt | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable |  |
Assets Measured at Fair Value |  |
Total, fair value | 58,317 | 72,765
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 58,317 | 72,765
Recurring fair value measurements | Obligations Of States And Political Subdivisions Taxable | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Residential Passthrough Securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 102,739 | 98,181
Recurring fair value measurements | Residential Passthrough Securities | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Residential Passthrough Securities | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 102,739 | 98,181
Recurring fair value measurements | Residential Passthrough Securities | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Residential Collateralized Mortgage Obligations |  |
Assets Measured at Fair Value |  |
Total, fair value | 39,632 | 44,247
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 39,632 | 44,247
Recurring fair value measurements | Residential Collateralized Mortgage Obligations | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Commercial Mortgage Backed Securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 77,383 | 87,468
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 77,383 | 87,468
Recurring fair value measurements | Commercial Mortgage Backed Securities | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 | 0
Recurring fair value measurements | Private label commercial mortgage-backed securities |  |
Assets Measured at Fair Value |  |
Total, fair value | 4,779 |
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 1 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 |
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 2 |  |
Assets Measured at Fair Value |  |
Total, fair value | 4,779 |
Recurring fair value measurements | Private label commercial mortgage-backed securities | Level 3 |  |
Assets Measured at Fair Value |  |
Total, fair value | 0 |
Nonrecurring fair value measurements |  |
Assets Measured at Fair Value |  |
Total asset fair value measurements | 3,423 | 6,484
Impaired loans, net | 2,969 | 5,800
Foreclosed assets held for sale | 454 | 684
Nonrecurring fair value measurements | Level 1 |  |
Assets Measured at Fair Value |  |
Total asset fair value measurements | 0 | 0
Impaired loans, net | 0 | 0
Foreclosed assets held for sale | 0 | 0
Nonrecurring fair value measurements | Level 2 |  |
Assets Measured at Fair Value |  |
Total asset fair value measurements | 0 | 0
Impaired loans, net | 0 | 0
Foreclosed assets held for sale | 0 | 0
Nonrecurring fair value measurements | Level 3 |  |
Assets Measured at Fair Value |  |
Total asset fair value measurements | 3,423 | 6,484
Impaired loans, net | 2,969 | 5,800
Foreclosed assets held for sale | $ 454 | $ 684

X
- Definition Amount of allowance for credit losses related to recorded investment. + References No definition available. + Details
Name: | cznc_ImpairedFinancingReceivableRelatedAllowance1
Namespace Prefix: | cznc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References No definition available. + Details
Name: | cznc_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment1
Namespace Prefix: | cznc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. + References No definition available. + Details
Name: | cznc_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance1
Namespace Prefix: | cznc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount excluding accrued interest, 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226003-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssetFairValueGrossLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeAsset
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 https://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent
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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5162-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4437-111522 + Details
Name: | us-gaap_RealEstateAcquiredThroughForeclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
Name: | us-gaap_ServicingAssetAtFairValueAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cznc_U.s.TreasuryDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

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

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

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

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |