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v3.24.3

Note 17 - Subsequent Event (Details Textual) $ in Millions | Sep. 20, 2024 USD ($)
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Non-binding Letter of Intent From Third Party [Member] |
Unpaid Principal Balance Of Loans Serviced For Others | $ 39.5

X
- Definition The unpaid principle balance of loans serviced for others + References No definition available. + Details
Name: | lcnb_UnpaidPrincipalBalanceOfLoansServicedForOthers
Namespace Prefix: | lcnb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=lcnb_NonbindingLetterOfIntentFromThirdPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |