FAIR VALUE MEASUREMENTS (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended				3 Months Ended
	Mar. 31, 2012	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2013 Non-recurring	Mar. 31, 2012 Non-recurring	Dec. 31, 2012 Non-recurring	Mar. 31, 2013 Non-recurring Carrying Value	Dec. 31, 2012 Non-recurring Carrying Value	Mar. 31, 2013 Non-recurring Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 Non-recurring Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 Real estate construction Non-recurring Carrying Value	Dec. 31, 2012 Real estate construction Non-recurring Significant Unobservable Inputs (Level 3)	Mar. 31, 2013 1-4 family residential Non-recurring Carrying Value	Dec. 31, 2012 1-4 family residential Non-recurring Carrying Value	Mar. 31, 2013 1-4 family residential Non-recurring Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 1-4 family residential Non-recurring Significant Unobservable Inputs (Level 3)	Mar. 31, 2013 Multi-family residential Non-recurring Carrying Value	Dec. 31, 2012 Multi-family residential Non-recurring Carrying Value	Mar. 31, 2013 Multi-family residential Non-recurring Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 Multi-family residential Non-recurring Significant Unobservable Inputs (Level 3)	Mar. 31, 2013 Non-farm & non-residential Non-recurring Carrying Value	Dec. 31, 2012 Non-farm & non-residential Non-recurring Carrying Value	Mar. 31, 2013 Non-farm & non-residential Non-recurring Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 Non-farm & non-residential Non-recurring Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 Agricultural Non-recurring Carrying Value	Dec. 31, 2012 Agricultural Non-recurring Significant Unobservable Inputs (Level 3)	Mar. 31, 2013 Residential Non-recurring Carrying Value	Dec. 31, 2012 Residential Non-recurring Carrying Value	Mar. 31, 2013 Residential Non-recurring Significant Unobservable Inputs (Level 3)	Dec. 31, 2012 Residential Non-recurring Significant Unobservable Inputs (Level 3)
Impaired Loans
Impaired loans, at fair value					$ 1,400							$ 2,535	$ 2,535	$ 611	$ 1,255	$ 611	$ 1,255	$ 605	$ 164	$ 605	$ 164	$ 179	$ 2,025	$ 179	$ 2,025	$ 4,839	$ 4,839
Valuation allowance of impaired loans		1,004	1,458		363
Impaired loans, additional provision for loan losses					46	49
Increase (decrease) in allowance for specific impaired loans					(454)
Other real estate owned
Other real estate owned					2,500																							2,539	2,539	2,539	2,539
Outstanding balance of other real estate owned	9,397	4,222	4,168	8,296	4,200
Valuation allowance of other real estate owned	1,488	1,668	1,668	1,516	1,700
Net write down of other real estate owned	(4)				0	4
Loan servicing rights
Loan servicing rights, at fair value		1,123	1,152		409		529	409	529	409	529
Outstanding balance of loan servicing rights					695		743
Valuation allowance of loan servicing rights					286		214
Recovery (write-down) of loan servicing rights					$ 73	$ 63