XML 123 R71.htm IDEA: XBRL DOCUMENT
v3.24.0.1

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Amortized Cost Of Collateral Dependent Loans (Details) $ in Thousands | Dec. 31, 2023 USD ($)
--- | ---
LOANS AND ALLOWANCE FOR CREDIT LOSSES |
Amortized Cost | $ 11,264
Allowance | 743
Commercial | Commercial real estate - non-owner occupied |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |
Amortized Cost | 8,412
Allowance | 648
Commercial | Commercial real estate - owner occupied |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |
Amortized Cost | 1,575
Allowance | 5
Commercial | All other commercial loans |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |
Amortized Cost | 1,277
Allowance | $ 90

X
- Definition Amount of financing receivable on collateral dependent loans. + References No definition available. + Details
Name: | cznc_FinancingReceivableRecordedInvestmentCollateralDependentLoans
Namespace Prefix: | cznc_
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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (g) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cznc_CommercialRealEstateLoansNonownerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cznc_CommercialRealEstateLoansOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=cznc_CommercialLoansOtherThanNonownerOccupiedAndOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |