LOANS, Financing Receivables by Credit Quality Indicator (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Risk rating by loan class [Abstract]
Loans	$ 447,643		$ 448,228
Allowance for credit losses [Roll Forward]
Beginning balance	8,554	10,408	10,408
Provision for loan losses	400	550	3,276
Charge-offs	(248)	(837)	(5,895)
Recoveries	140	236	765
Net charge-offs	(108)	(601)	(5,130)
Ending balance	8,846	10,357	8,554
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	1,025	2,334	1,072
Loans collectively evaluated for impairment	7,821	8,023	7,482
Ending balance	8,846	10,357	8,554
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	13,116	15,850	13,381
Loans collectively evaluated for impairment	434,527	410,999	434,847
Ending Balance	447,643	426,849	448,228
Pass [Member]
Risk rating by loan class [Abstract]
Loans	403,206		401,285
Special Mention [Member]
Risk rating by loan class [Abstract]
Loans	20,714		20,252
Substandard [Member]
Risk rating by loan class [Abstract]
Loans	23,723		26,618
Doubtful [Member]
Risk rating by loan class [Abstract]
Loans	0		73
Loss [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Commercial [Member]
Risk rating by loan class [Abstract]
Loans	94,253		88,810
Allowance for credit losses [Roll Forward]
Beginning balance	2,899	3,598	3,598
Provision for loan losses	25	320	2,493
Charge-offs	(111)	(542)	(3,498)
Recoveries	75	206	306
Net charge-offs	(36)	(336)	(3,192)
Ending balance	2,888	3,582	2,899
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	82	368	95
Loans collectively evaluated for impairment	2,806	3,214	2,804
Ending balance	2,888	3,582	2,899
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	3,410	3,840	3,288
Loans collectively evaluated for impairment	90,843	85,130	85,522
Ending Balance	94,253	88,970	88,810
Commercial [Member] | Pass [Member]
Risk rating by loan class [Abstract]
Loans	84,915		78,078
Commercial [Member] | Special Mention [Member]
Risk rating by loan class [Abstract]
Loans	3,735		4,393
Commercial [Member] | Substandard [Member]
Risk rating by loan class [Abstract]
Loans	5,603		6,339
Commercial [Member] | Doubtful [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Commercial [Member] | Loss [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Commercial Real Estate [Member]
Risk rating by loan class [Abstract]
Loans	196,081		188,426
Allowance for credit losses [Roll Forward]
Beginning balance	1,723	1,747	1,747
Provision for loan losses	371	(32)	351
Charge-offs	0	0	(375)
Recoveries	1	0	0
Net charge-offs	1	0	(375)
Ending balance	2,095	1,715	1,723
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	22	199	26
Loans collectively evaluated for impairment	2,073	1,516	1,697
Ending balance	2,095	1,715	1,723
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	2,993	4,670	3,042
Loans collectively evaluated for impairment	193,088	172,588	185,384
Ending Balance	196,081	177,258	188,426
Commercial Real Estate [Member] | Pass [Member]
Risk rating by loan class [Abstract]
Loans	177,639		170,676
Commercial Real Estate [Member] | Special Mention [Member]
Risk rating by loan class [Abstract]
Loans	9,225		9,049
Commercial Real Estate [Member] | Substandard [Member]
Risk rating by loan class [Abstract]
Loans	9,217		8,701
Commercial Real Estate [Member] | Doubtful [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Commercial Real Estate [Member] | Loss [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Agriculture [Member]
Risk rating by loan class [Abstract]
Loans	40,012		52,747
Allowance for credit losses [Roll Forward]
Beginning balance	915	1,934	1,934
Provision for loan losses	(104)	(769)	(907)
Charge-offs	(1)	0	(116)
Recoveries	3	2	4
Net charge-offs	2	2	(112)
Ending balance	813	1,167	915
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	0	0	0
Loans collectively evaluated for impairment	813	1,167	915
Ending balance	813	1,167	915
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	0	1,570	0
Loans collectively evaluated for impairment	40,012	36,443	52,747
Ending Balance	40,012	38,013	52,747
Agriculture [Member] | Pass [Member]
Risk rating by loan class [Abstract]
Loans	37,080		49,613
Agriculture [Member] | Special Mention [Member]
Risk rating by loan class [Abstract]
Loans	152		172
Agriculture [Member] | Substandard [Member]
Risk rating by loan class [Abstract]
Loans	2,780		2,962
Agriculture [Member] | Doubtful [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Agriculture [Member] | Loss [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Residential Mortgage [Member]
Risk rating by loan class [Abstract]
Loans	51,760		51,266
Allowance for credit losses [Roll Forward]
Beginning balance	1,148	1,135	1,135
Provision for loan losses	(97)	90	877
Charge-offs	(78)	(31)	(864)
Recoveries	0	0	0
Net charge-offs	(78)	(31)	(864)
Ending balance	973	1,194	1,148
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	448	636	417
Loans collectively evaluated for impairment	525	558	731
Ending balance	973	1,194	1,148
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	4,654	3,534	4,823
Loans collectively evaluated for impairment	47,106	48,454	46,443
Ending Balance	51,760	51,988	51,266
Residential Mortgage [Member] | Pass [Member]
Risk rating by loan class [Abstract]
Loans	47,032		45,962
Residential Mortgage [Member] | Special Mention [Member]
Risk rating by loan class [Abstract]
Loans	1,146		604
Residential Mortgage [Member] | Substandard [Member]
Risk rating by loan class [Abstract]
Loans	3,582		4,700
Residential Mortgage [Member] | Doubtful [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Residential Mortgage [Member] | Loss [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Residential Construction [Member]
Risk rating by loan class [Abstract]
Loans	7,984		7,586
Allowance for credit losses [Roll Forward]
Beginning balance	724	1,198	1,198
Provision for loan losses	(175)	(74)	(648)
Charge-offs	0	0	(167)
Recoveries	41	1	341
Net charge-offs	41	1	174
Ending balance	590	1,125	724
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	370	737	433
Loans collectively evaluated for impairment	220	388	291
Ending balance	590	1,125	724
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	1,091	1,294	1,097
Loans collectively evaluated for impairment	6,893	6,521	6,489
Ending Balance	7,984	7,815	7,586
Residential Construction [Member] | Pass [Member]
Risk rating by loan class [Abstract]
Loans	5,709		5,512
Residential Construction [Member] | Special Mention [Member]
Risk rating by loan class [Abstract]
Loans	2,012		1,212
Residential Construction [Member] | Substandard [Member]
Risk rating by loan class [Abstract]
Loans	263		862
Residential Construction [Member] | Doubtful [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Residential Construction [Member] | Loss [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Consumer [Member]
Risk rating by loan class [Abstract]
Loans	57,553		59,393
Allowance for credit losses [Roll Forward]
Beginning balance	1,110	796	796
Provision for loan losses	(13)	781	1,075
Charge-offs	(58)	(264)	(875)
Recoveries	20	27	114
Net charge-offs	(38)	(237)	(761)
Ending balance	1,059	1,340	1,110
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	103	394	101
Loans collectively evaluated for impairment	956	946	1,009
Ending balance	1,059	1,340	1,110
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	968	942	1,131
Loans collectively evaluated for impairment	56,585	61,863	58,262
Ending Balance	57,553	62,805	59,393
Consumer [Member] | Pass [Member]
Risk rating by loan class [Abstract]
Loans	50,831		51,444
Consumer [Member] | Special Mention [Member]
Risk rating by loan class [Abstract]
Loans	4,444		4,822
Consumer [Member] | Substandard [Member]
Risk rating by loan class [Abstract]
Loans	2,278		3,054
Consumer [Member] | Doubtful [Member]
Risk rating by loan class [Abstract]
Loans	0		73
Consumer [Member] | Loss [Member]
Risk rating by loan class [Abstract]
Loans	0		0
Unallocated [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	35	0	0
Provision for loan losses	393	234	35
Charge-offs	0	0	0
Recoveries	0	0	0
Net charge-offs	0	0	0
Ending balance	428	234	35
Allowance for loan loss allocations for impairments [Abstract]
Loans individually evaluated for impairment	0	0	0
Loans collectively evaluated for impairment	428	234	35
Ending balance	$ 428	$ 234	$ 35