FAIR VALUE (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Other and 1-4 family
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	898
Impaired Loans
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	5,975
Impaired Loans | Minimum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	0.00%
Impaired Loans | Maximum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	50.00%
Impaired Loans | Commercial & Industrial
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	155
Impaired Loans | Farm real estate
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	480
Impaired Loans | Construction and development
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	404
Impaired Loans | Other
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	4,936
Other real estate owned
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	2,662
Other real estate owned | Minimum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	0.00%
Other real estate owned | Maximum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	50.00%
Other real estate owned | Construction and development
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	1,764
Mortgage servicing rights
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	2,942
Non-recurring basis | Level 3 | Impaired Loans | Commercial & Industrial | Liquidation value of inventory | Avg
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	15.00%
Non-recurring basis | Level 3 | Impaired Loans | Farm real estate | Sales comparison approach | Minimum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	35.00%
Non-recurring basis | Level 3 | Impaired Loans | Farm real estate | Sales comparison approach | Maximum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	40.00%
Non-recurring basis | Level 3 | Impaired Loans | Farm real estate | Sales comparison approach | Avg
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	37.00%
Non-recurring basis | Level 3 | Impaired Loans | Construction and development | Sales comparison approach | Minimum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	10.00%
Non-recurring basis | Level 3 | Impaired Loans | Construction and development | Sales comparison approach | Maximum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	50.00%
Non-recurring basis | Level 3 | Impaired Loans | Construction and development | Sales comparison approach | Avg
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	41.00%
Non-recurring basis | Level 3 | Impaired Loans | Other | Sales comparison approach | Minimum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	0.00%
Non-recurring basis | Level 3 | Impaired Loans | Other | Sales comparison approach | Maximum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	60.00%
Non-recurring basis | Level 3 | Impaired Loans | Other | Sales comparison approach | Avg
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	32.00%
Non-recurring basis | Level 3 | Other real estate owned | Construction and development | Sales comparison approach | Minimum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	10.00%
Non-recurring basis | Level 3 | Other real estate owned | Construction and development | Sales comparison approach | Maximum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	26.00%
Non-recurring basis | Level 3 | Other real estate owned | Construction and development | Sales comparison approach | Avg
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	15.00%
Non-recurring basis | Level 3 | Other real estate owned | Other and 1-4 family | Sales comparison approach | Minimum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	2.00%
Non-recurring basis | Level 3 | Other real estate owned | Other and 1-4 family | Sales comparison approach | Maximum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	35.00%
Non-recurring basis | Level 3 | Other real estate owned | Other and 1-4 family | Sales comparison approach | Avg
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	17.00%
Non-recurring basis | Level 3 | Mortgage servicing rights | Cash flow analysis
Unobservable Inputs
Discount rate (as a percent)	10.00%