ACQUISITION ACTIVITY (Details) (USD $)	0 Months Ended	12 Months Ended
	Dec. 28, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accretable yield for purchased impaired and non-impaired loans [Abstract]
Balance, beginning of year		$ 11,400,000	$ 0
Acquisition of PSB		0	11,400,000
Accretion		(4,821,000)	0
Net transfers from nonaccretable difference to accretable yield		368,000	0
Balance, end of year		6,947,000	11,400,000	0
Business Acquisition, Pro Forma Information [Abstract]
Total revenues, net of interest expense			89,845,000	80,573,000
Net income			14,694,000	10,361,000
Earnings per share - basic (in dollars per share)			$ 1.12	$ 0.76
Earnings per share - diluted (in dollars per share)			$ 1.09	$ 0.75
Acquired impaired loans at acquisition [Abstract]
Contractually required principal and interest payments			7,449,000
Non-accretable discount			2,084,000
Cash flows expected to be collected			5,365,000
Accretable discount			623,000
Fair value of loans acquired with a deterioration of credit quality			4,742,000
Contingent value rights terms	Generally, no contingent payment will be made if the net charge-offs on the Identified Loans exceeds $3.0 million.
Acquisition of Loan [Line Items]
Acquired Impaired Loans		872,000	4,742,000
Acquired Performing Loans			255,311,000
Total Acquired Loans			260,053,000
Commercial, financial and agricultural [Member]
Acquisition of Loan [Line Items]
Acquired Impaired Loans			82,000
Acquired Performing Loans			59,011,000
Total Acquired Loans			59,093,000
Real estate - construction [Member]
Acquisition of Loan [Line Items]
Acquired Impaired Loans			0
Acquired Performing Loans			16,431,000
Total Acquired Loans			16,431,000
Real estate - commercial [Member]
Acquisition of Loan [Line Items]
Acquired Impaired Loans			4,205,000
Acquired Performing Loans			127,866,000
Total Acquired Loans			132,071,000
Real Estate - Residential [Member]
Acquisition of Loan [Line Items]
Acquired Impaired Loans			455,000
Acquired Performing Loans			34,232,000
Total Acquired Loans			34,687,000
Installment loans to individuals [Member]
Acquisition of Loan [Line Items]
Acquired Impaired Loans			0
Acquired Performing Loans			17,652,000
Total Acquired Loans			17,652,000
Other [Member]
Acquisition of Loan [Line Items]
Acquired Impaired Loans			0
Acquired Performing Loans			119,000
Total Acquired Loans			119,000
PSB Financial Corp [Member]
Non-equity consideration [Abstract]
Cash	16,003,000
Contingent value right	2,000,000
Total consideration paid	39,530,000
Fair value of net assets acquired including identifiable intangible assets	(21,572,000)		(21,572,000)
Goodwill	17,958,000
Refinement period of preliminary fair value after closing date of acquisition			1 year
Assets as Recorded by Acquired Company [Abstract]
Cash			17,847,000
Federal funds sold			5,200,000
Time deposits held in banks			172,000
Investment securities			152,667,000
Loans receivable			269,053,000
Fixed assets			11,845,000
Core deposit intangible			0
Cash surrender value of life insurance			8,234,000
Other real estate owned			838,000
Other assets			4,635,000
Total assets acquired			470,491,000
Liabilities as Recorded by Acquired Company [Abstract]
Deposits			399,845,000
FHLB advances			25,296,000
Notes payable			2,000,000
Junior subordinated debentures			13,919,000
Other liabilities			2,606,000
Total liabilities assumed			443,666,000
Assets Fair Value Adjustments [Abstract]
Cash			0
Federal funds sold			0
Time deposits held in banks			0
Investment securities			0
Loans receivable			(9,000,000)
Fixed assets			578,000
Core deposit intangible			2,662,000
Cash surrender value of life insurance			0
Other real estate owned			0
Other assets			314,000
Total assets acquired			(5,446,000)
Liabilities Fair Value Adjustment [Abstract]
Deposits			722,000
FHLB advances			1,832,000
Notes payable			0
Junior subordinated debentures			0
Other liabilities			(2,747,000)
Total liabilities assumed			(193,000)
Assets Fair Value [Abstract]
Cash			17,847,000
Federal funds sold			5,200,000
Time deposits held in banks			172,000
Investment securities			152,667,000
Loans receivable			260,053,000
Fixed assets			12,423,000
Core deposit intangible			2,662,000
Cash surrender value of life insurance			8,234,000
Other real estate owned			838,000
Other assets			4,949,000
Assets acquired			465,045,000
Liabilities Fair Value [Abstract]
Deposits			400,567,000
FHLB advances			27,128,000
Notes payable			2,000,000
Junior subordinated debentures			13,919,000
Other liabilities			(141,000)
Total liabilities assumed			443,473,000
Fair value of net assets acquired including identifiable intangible assets	21,572,000		21,572,000
Useful life of core intangible assets			7 years
Acquisition expense			1,200,000
Acquired impaired loans at acquisition [Abstract]
Maturity date			Dec. 28, 2015
PSB Financial Corp [Member] | Common Stock [Member]
Equity consideration [Abstract]
Stock issued (in shares)	756,511
Stock issued	11,530,000
PSB Financial Corp [Member] | Preferred Stock [Member]
Equity consideration [Abstract]
Stock issued (in shares)	99,971
Stock issued	$ 9,997,000
Combined Three Acquisition Transactions [Member]
Non-equity consideration [Abstract]
Refinement period of preliminary fair value after closing date of acquisition			1 year