XML 117 R65.htm IDEA: XBRL DOCUMENT
v3.24.0.1

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Adjustments to Initial Discounts and Carrying Amounts of Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Market Rate Adjustment |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Adjustments to gross amortized cost of loans at beginning of period | $ (916) | $ (637)
Amortization recognized in interest income | (54) | (279)
Adjustments to gross amortized cost of loans at end of period | (970) | (916)
Credit Adjustment on Non-impaired Loans |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Adjustments to gross amortized cost of loans at beginning of period | (1,840) | (3,335)
Amortization recognized in interest income | 677 | 1,495
Adjustments to gross amortized cost of loans at end of period | $ (1,163) | $ (1,840)

X
- Definition Amount of accretion recognized in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality. + References No definition available. + Details
Name: | cznc_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretion
Namespace Prefix: | cznc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of adjustment to cost recognized in acquired loans not accounted for as debt securities, with evidence of deterioration of credit quality. + References No definition available. + Details
Name: | cznc_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAdjustmentToCost
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
- Details
Name: | us-gaap_CreditLossStatusAxis=cznc_MarketRateAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=cznc_CreditAdjustmentOnNonimpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |