FAIR VALUE (Details 5) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Impaired Loans
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	$ 6,829	$ 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	153	155
Impaired Loans | Farm real estate
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	54	480
Impaired Loans | Construction and development
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	249	404
Impaired Loans | Other real estate
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	6,373	4,936
Other real estate owned
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	1,040	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	618	1,764
Other real estate owned | Other and 1-4 family
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	422	898
Mortgage servicing rights
Quantitative information about level 3 fair value measurements for financial instruments measured at fair value
Fair Value	$ 2,569	$ 2,942
Non-recurring basis | Level 3 | Impaired Loans | Commercial & Industrial | Liquidation value of inventory
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 | Commercial & Industrial | Liquidation value of inventory | 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 | Commercial & Industrial | Liquidation value of inventory | 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 | 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)	13.00%	15.00%
Non-recurring basis | Level 3 | Impaired Loans | Farm real estate | Sales comparison approach
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	30.00%
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)	30.00%	37.00%
Non-recurring basis | Level 3 | Impaired Loans | Construction and development | Sales comparison approach
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 | 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)	10.00%	41.00%
Non-recurring basis | Level 3 | Impaired Loans | Other real estate | Sales comparison approach | Minimum
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	0.00%	0.00%
Non-recurring basis | Level 3 | Impaired Loans | Other 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%	60.00%
Non-recurring basis | Level 3 | Impaired Loans | Other real estate | Sales comparison approach | Avg
Unobservable Inputs
Adjustment for differences between comparable sales, type of property, current status of property (as a percent)	17.00%	32.00%
Non-recurring basis | Level 3 | Other real estate owned | Construction and development | Sales comparison approach
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 | 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)	10.00%	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)	10.00%	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)	49.00%	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)	26.00%	17.00%
Non-recurring basis | Level 3 | Mortgage servicing rights | Cash flow analysis
Unobservable Inputs
Discount rate (as a percent)	10.00%	10.00%