ALLOWANCE FOR LOAN LOSSES (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Agriculture and Agricultural Real Estate [Member]
With no related allowance recorded, Recorded Investment	$ 420	$ 430	$ 409
With no related allowance recorded, Unpaid Principal Balance	923	978	923
With no related allowance recorded, Average Recorded Investment	423	478	469
With no related allowance recorded, Interest Income Recognized	12	17	54
With an allowance recorded, Recorded Investment	0	621	0
With an allowance recorded, Unpaid Principal Balance	0	621	0
With an allowance recorded, Related Allowance	0	69	0
With an allowance recorded, Average Recorded Investment	0	618	0
With an allowance recorded, Interest Income Recognized	0	1	0
Total, Recorded Investment	420	1,051	409
Total, Unpaid Principal Balance	923	1,599	923
Total, Related Allowance	0	69	0
Total, Average Recorded Investment	423	1,096	469
Total, Interest Income Recognized	12	18	54
Commercial [Member]
With no related allowance recorded, Recorded Investment	682	198	2,540
With no related allowance recorded, Unpaid Principal Balance	752	376	2,961
With no related allowance recorded, Average Recorded Investment	775	344	2,968
With no related allowance recorded, Interest Income Recognized	9	7	220
With an allowance recorded, Recorded Investment	3,511	3,777	1,979
With an allowance recorded, Unpaid Principal Balance	3,894	4,179	2,157
With an allowance recorded, Related Allowance	1,330	1,477	1,316
With an allowance recorded, Average Recorded Investment	3,513	3,833	2,032
With an allowance recorded, Interest Income Recognized	44	56	88
Total, Recorded Investment	4,193	3,975	4,519
Total, Unpaid Principal Balance	4,646	4,555	5,118
Total, Related Allowance	1,330	1,477	1,316
Total, Average Recorded Investment	4,288	4,177	5,000
Total, Interest Income Recognized	53	63	308
Commercial Real Estate [Member]
With no related allowance recorded, Recorded Investment	17,383	11,126	17,153
With no related allowance recorded, Unpaid Principal Balance	22,113	13,764	21,317
With no related allowance recorded, Average Recorded Investment	18,234	11,721	18,313
With no related allowance recorded, Interest Income Recognized	191	93	924
With an allowance recorded, Recorded Investment	18,577	25,366	19,318
With an allowance recorded, Unpaid Principal Balance	24,502	33,357	26,508
With an allowance recorded, Related Allowance	2,312	3,408	2,084
With an allowance recorded, Average Recorded Investment	20,045	25,832	22,119
With an allowance recorded, Interest Income Recognized	160	184	918
Total, Recorded Investment	35,960	36,492	36,471
Total, Unpaid Principal Balance	46,615	47,121	47,825
Total, Related Allowance	2,312	3,408	2,084
Total, Average Recorded Investment	38,279	37,553	40,432
Total, Interest Income Recognized	351	277	1,842
Construction Real Estate [Member]
With no related allowance recorded, Recorded Investment	1,529	730	1,007
With no related allowance recorded, Unpaid Principal Balance	2,545	1,039	1,375
With no related allowance recorded, Average Recorded Investment	1,950	762	1,284
With no related allowance recorded, Interest Income Recognized	37	6	201
With an allowance recorded, Recorded Investment	4,696	7,719	6,403
With an allowance recorded, Unpaid Principal Balance	5,666	11,469	9,060
With an allowance recorded, Related Allowance	1,863	1,257	1,820
With an allowance recorded, Average Recorded Investment	4,744	8,337	6,946
With an allowance recorded, Interest Income Recognized	41	80	211
Total, Recorded Investment	6,225	8,449	7,410
Total, Unpaid Principal Balance	8,211	12,508	10,435
Total, Related Allowance	1,863	1,257	1,820
Total, Average Recorded Investment	6,694	9,099	8,230
Total, Interest Income Recognized	78	86	412
Residential Real Estate [Member]
With no related allowance recorded, Recorded Investment	9,186	6,603	9,013
With no related allowance recorded, Unpaid Principal Balance	10,478	8,989	10,390
With no related allowance recorded, Average Recorded Investment	10,376	7,599	10,213
With no related allowance recorded, Interest Income Recognized	128	136	373
With an allowance recorded, Recorded Investment	9,482	12,965	9,038
With an allowance recorded, Unpaid Principal Balance	10,108	15,629	9,520
With an allowance recorded, Related Allowance	2,084	2,453	1,994
With an allowance recorded, Average Recorded Investment	9,705	13,297	9,189
With an allowance recorded, Interest Income Recognized	85	145	413
Total, Recorded Investment	18,668	19,568	18,051
Total, Unpaid Principal Balance	20,586	24,618	19,910
Total, Related Allowance	2,084	2,453	1,994
Total, Average Recorded Investment	20,081	20,896	19,402
Total, Interest Income Recognized	213	281	786
Consumer and Other [Member]
With no related allowance recorded, Recorded Investment	0	88	0
With no related allowance recorded, Unpaid Principal Balance	0	89	0
With no related allowance recorded, Average Recorded Investment	0	89	0
With no related allowance recorded, Interest Income Recognized	0	1	0
With an allowance recorded, Recorded Investment	346	148	389
With an allowance recorded, Unpaid Principal Balance	341	148	383
With an allowance recorded, Related Allowance	100	73	124
With an allowance recorded, Average Recorded Investment	346	149	393
With an allowance recorded, Interest Income Recognized	5	3	26
Total, Recorded Investment	346	236	389
Total, Unpaid Principal Balance	341	237	383
Total, Related Allowance	100	73	124
Total, Average Recorded Investment	346	238	393
Total, Interest Income Recognized	$ 5	$ 4	$ 26