XML 131 R72.htm IDEA: XBRL DOCUMENT
v3.20.4

LOANS - Loans Modified Under Covid-19 Program (Details) $ in Thousands | Dec. 31, 2020 USD ($) loan
--- | ---
LOANS |
Loans Modified, Number of Loans | loan | 45
Loans Modified, Recorded Investment | $ | $ 37,397
Residential mortgage |
LOANS |
Loans Modified, Number of Loans | loan | 15
Loans Modified, Recorded Investment | $ | $ 2,334
Consumer |
LOANS |
Loans Modified, Number of Loans | loan | 3
Loans Modified, Recorded Investment | $ | $ 61
Commercial |
LOANS |
Loans Modified, Number of Loans | loan | 27
Loans Modified, Recorded Investment | $ | $ 35,002

X
- Definition Number of principal payment deferrals on loans receivable related to loan modification programs offered to financial institution customers affected by COVID-19. + References No definition available. + Details
Name: | cznc_FinancingReceivableNumberOfPrincipalPaymentDeferrals
Namespace Prefix: | cznc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Deferred amounts of principal payments on loans receivable related to loan modification programs offered to financial institution customers affected by COVID-19. + References No definition available. + Details
Name: | cznc_FinancingReceivablePrincipalDeferredPayments
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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