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BORROWINGS, NARRATIVE (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 institution | Dec. 31, 2013
Debt Disclosure [Abstract] |  |
Pledged financial instruments for Federal Home Loan Bank | $ 212,000,000 us-gaap_PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank | $ 183,000,000 us-gaap_PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForFederalHomeLoanBank
FHLB remaining borrowing capacity | 100,800,000 us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds |
Number of financial institution | 3 lcnb_Short-TermBorrowingArrangementsFromNumberOfFinancialInstitution |
First arrangement short term borrowings | 7,000,000 lcnb_MaximumShortTermBorrowingsRelatedToFirstArrangement |
Second arrangement short term borrowings | 10,000,000 lcnb_MaximumShortTermBorrowingsRelatedToSecondArrangement |
Third arrangement short term borrowings | 20,000,000 lcnb_MaximumShortTermBorrowingsRelatedToThirdArrangement |
Variable rate basis | federal funds rate |
Basis point spread | 50.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 |
Short-term advances under Cash Management Advance program | 46,500,000.0 lcnb_ShortTermAdvancesMaximumBorrowingCapacityUnderCashManagementAdvanceProgram |
Variable rate interest rate terms | 90 days |
Fixed interest rate terms | 30 days |
Expiration date for Cash Management Advance program | Aug. 28, 2015 |
Maximum short-term borrowing at month end | 12,927,000 us-gaap_ShorttermDebtMaximumMonthendOutstandingAmount | 15,165,000 us-gaap_ShorttermDebtMaximumMonthendOutstandingAmount
Short-term borrowing average balances | 11,367,000 us-gaap_ShorttermDebtAverageOutstandingAmount | 11,376,000 us-gaap_ShorttermDebtAverageOutstandingAmount
Short term borrowing held by member of board of director | $ 1,200,000 lcnb_ShortTermBorrowingHeldByRelatedParty | $ 700,000 lcnb_ShortTermBorrowingHeldByRelatedParty

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- Definition Description of the interest rate as being fixed , and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + References No definition available. + Details
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- Definition Description of the interest rate as variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + References No definition available. + Details
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- Definition Reflects the maximum short term borrowings related to first arrangement 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 No definition available. + Details
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- Definition Reflects the maximum short term borrowings related to second arrangement 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 No definition available. + Details
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- Definition Reflects the maximum short term borrowings related to third arrangement 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 No definition available. + Details
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- Definition Maximum borrowing capacity under the short term advances under cash management Advance program without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
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- Definition Number of financial institution from where the entity borrowed short term borrowing. + References No definition available. + Details
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- 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 held by related party. + References No definition available. + Details
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- Details
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- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22 (b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph 3(a) -Article 9 + Details
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- Definition The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for FHLB debt obligations, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=34720971&loc=SL6224234-111729 + Details
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