Loans Loans, Acquired Loans not Imparied and not Accounted For (Details) (USD $) In Thousands, unless otherwise specified	Jan. 24, 2014
Acquired loans that are accounted for in accordance with FASB ASC 310-30 [Abstract]
Contractually required principal at acquisition	$ 102,731
Less fair value adjustment	1,347
Fair value of acquired loans	101,384
Contractual cash flows not expected to be collected	$ 1,702

The price that would be received to sell an asset in an orderly transaction between market participants at the measurement date. This relates to loans not accounted for as debt securities, with no evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

No definition available.

Name:	lcnb_CertainLoansNotImpairedAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue
Namespace Prefix:	lcnb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant