XML 156 R97.htm IDEA: XBRL DOCUMENT
v3.20.4

BORROWED FUNDS AND SUBORDINATED DEBT - Short-term borrowings (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
BORROWED FUNDS AND SUBORDINATED DEBT |  |
Short-term borrowings | $ 20,022 | $ 86,220
Federal Home Loan Bank of Pittsburgh |  |
BORROWED FUNDS AND SUBORDINATED DEBT |  |
Short-term borrowings | 18,066 | 84,292
FHLB-Pittsburgh borrowings |  |
BORROWED FUNDS AND SUBORDINATED DEBT |  |
Short-term borrowings | 18,066 | 84,292
Overnight Borrowing | Federal Home Loan Bank of Pittsburgh |  |
BORROWED FUNDS AND SUBORDINATED DEBT |  |
Short-term borrowings | 0 | 64,000
Customer repurchase agreements |  |
BORROWED FUNDS AND SUBORDINATED DEBT |  |
Short-term borrowings | 1,956 | 1,928
Other short-term advances | Federal Home Loan Bank of Pittsburgh |  |
BORROWED FUNDS AND SUBORDINATED DEBT |  |
Short-term borrowings | $ 18,066 | $ 20,292

X
- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(a)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(1)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_ShortTermBorrowings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_ShortTermDebtLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_FederalHomeLoanBankAdvancesBranchOfFHLBBankAxis=srt_FederalHomeLoanBankOfPittsburghMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_FederalHomeLoanBankAdvancesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=cznc_OvernightBorrowingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShortTermDebtTypeAxis=cznc_OtherShortTermDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |