LOANS AND RELATED ALLOWANCE FOR LOAN LOSSES IMPAIRED FINANCING RECEIVABLE (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	$ 12,066	$ 10,062
Recorded Investment With No Allowance	7,218	5,729
Recorded Investment With Allowance	3,200	3,152
Total Recorded Investment	10,418	8,881
Related Allowance	582	494
Average investment in impaired loans	8,625	9,653	9,356
Interest income recognized on impaired loans	123	123	143
Interest income recognized on a cash basis on impaired loans	123	123	143
Real Estate Loans [Member] | Mortgages [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	309	0
Recorded Investment With No Allowance	150	0
Recorded Investment With Allowance	136	0
Total Recorded Investment	286	0
Related Allowance	8	0
Real Estate Loans [Member] | Home Equity [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	138	94
Recorded Investment With No Allowance	0	36
Recorded Investment With Allowance	138	58
Total Recorded Investment	138	94
Related Allowance	14	13
Real Estate Loans [Member] | Commercial [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	10,669	9,394
Recorded Investment With No Allowance	6,476	5,663
Recorded Investment With Allowance	2,617	2,607
Total Recorded Investment	9,093	8,270
Related Allowance	559	433
Real Estate Loans [Member] | Agricultural [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Real Estate Loans [Member] | Construction [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Consumer [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Other Commercial Loans [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	950	574
Recorded Investment With No Allowance	592	30
Recorded Investment With Allowance	309	487
Total Recorded Investment	901	517
Related Allowance	1	48
Other Agricultural Loans [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
State and Political Subdivision Loans [Member]
Impaired Financing Receivable [Abstract]
Unpaid Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	$ 0	$ 0