INCOME TAXES (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Provision for income taxes [Abstract]
Currently payable									$ 3,081,000	$ 3,082,000	$ 4,389,000
Deferred tax liability (asset)									478,000	670,000	(58,000)
Provision for income taxes	904,000	913,000	890,000	852,000	910,000	1,029,000	907,000	906,000	3,559,000	3,752,000	4,331,000
Deferred tax assets [Abstract]
Allowance for loan losses	2,317,000				2,413,000				2,317,000	2,413,000
Deferred compensation	503,000				528,000				503,000	528,000
Merger & acquisition costs	24,000				29,000				24,000	29,000
Allowance for losses on available-for-sale securities	420,000				523,000				420,000	523,000
Pensions and other retirement obligation	658,000				90,000				658,000	90,000
Interest on non-accrual loans	825,000				793,000				825,000	793,000
Incentive plan accruals	352,000				330,000				352,000	330,000
Other real estate owned expenses	24,000				72,000				24,000	72,000
Unrealized losses on available-for-sale securities	0				55,000				0	55,000
Low income housing tax credits	33,000				1,000				33,000	1,000
Other	78,000				94,000				78,000	94,000
Total	5,234,000				4,928,000				5,234,000	4,928,000
Deferred tax liabilities [Abstract]
Premises and equipment	(306,000)				(348,000)				(306,000)	(348,000)
Investment securities accretion	(302,000)				(310,000)				(302,000)	(310,000)
Loan fees and costs	(166,000)				(184,000)				(166,000)	(184,000)
Goodwill and core deposit intangibles	(2,734,000)				(2,431,000)				(2,734,000)	(2,431,000)
Mortgage servicing rights	(161,000)				(180,000)				(161,000)	(180,000)
Unrealized gains on available-for-sale securities	(1,594,000)				0				(1,594,000)	0
Total	(5,263,000)				(3,453,000)				(5,263,000)	(3,453,000)
Deferred tax (liability) asset, net	(29,000)				1,475,000				(29,000)	1,475,000
Valuation allowance	0				0				0	0
Total provision for income taxes reconciliation [Abstract]
Provision at statutory rates on pre-tax income									5,761,000	5,823,000	6,306,000
Effect of tax-exempt income									(1,865,000)	(1,752,000)	(1,853,000)
Low income housing tax credits									(198,000)	(198,000)	(57,000)
Bank owned life insurance									(172,000)	(171,000)	(172,000)
Nondeductible interest									60,000	70,000	87,000
Valuation allowance									0	0	0
Other items									(27,000)	(20,000)	20,000
Provision for income taxes	904,000	913,000	890,000	852,000	910,000	1,029,000	907,000	906,000	3,559,000	3,752,000	4,331,000
Statutory tax rates (in hundredths)									34.00%	34.00%	34.00%
Effective tax rates (in hundredths)									21.00%	21.90%	23.40%
Minimum percentages of tax position liable to be realized upon ultimate settlement (in hundredths)									50.00%
Liability for uncertain tax positions	0				0				0	0
Unrecognized tax benefits	$ 0				$ 0				$ 0	$ 0