INCOME TAXES - Summary of Net Deferred Tax Assets (Liabilities) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Valuation Allowance	$ 0	$ 0
Assets
Write-downs on OREO	96,000	61,000
Allowance for loan losses	6,607,000	7,206,000
Unrealized losses on securities available for sale	4,661,000	0
Other-than-temporary impairment losses	0	2,320,000
Qualified school construction bond tax credit	3,565,000	0
Qualified school construction bond tax credit	442,000	0
Unfunded status of defined benefit plan	6,667,000	14,228,000
State business tax credit	657,000	674,000
Stock-based compensation	385,000	219,000
Other	306,000	163,000
Gross deferred tax assets	23,386,000	24,871,000
Liabilities
Retirement and other benefit plans	(4,260,000)	(3,936,000)
Unrealized gains on securities available for sale	0	(15,810,000)
Premises and equipment	(692,000)	(994,000)
FHLB stock dividends	(19,000)	(11,000)
Gross deferred tax liabilities	4,971,000	20,751,000
Net deferred tax asset at year-end	$ 18,415,000	$ 4,120,000