LOANS - Composition of loans receivable by credit risk rating (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Pass
Residential 1-4 family	$ 179,426	$ 168,326
Residential 5+ multifamily	2,823	2,752
Construction of residential 1-4 family	3,249	4,116
Home equity credit	31,986	31,843
Residential real estate	217,484	207,037
Commercial	61,680	64,458
Construction of commercial	4,646	6,296
Commercial real estate	66,326	70,754
Farm land	2,828	2,327
Vacant land	5,725	8,039
Real estate secured	292,363	288,157
Commercial and industrial	20,237	21,104
Municipal	3,083	2,415
Consumer	4,270	4,254
Loans receivable, gross	319,953	315,930
Special mention
Residential 1-4 family	13,568	15,517
Residential 5+ multifamily	781	435
Construction of residential 1-4 family		415
Home equity credit	1,920	1,451
Residential real estate	16,269	17,818
Commercial	10,704	6,187
Construction of commercial	299	302
Commercial real estate	11,003	6,489
Farm land	344	1,768
Vacant land	868	883
Real estate secured	28,484	26,958
Commercial and industrial	6,464	6,847
Municipal
Consumer	171	178
Loans receivable, gross	35,119	33,983
Substandard
Residential 1-4 family	3,982	3,833
Residential 5+ multifamily
Construction of residential 1-4 family	795	774
Home equity credit	1,357	1,327
Residential real estate	6,134	5,934
Commercial	10,294	11,313
Construction of commercial	471	471
Commercial real estate	10,765	11,784
Farm land	1,192	830
Vacant land	4,579	3,906
Real estate secured	22,670	22,454
Commercial and industrial	2,192	1,407
Municipal
Consumer	33	64
Loans receivable, gross	24,895	23,925
Doubtful
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate
Commercial	541
Construction of commercial
Commercial real estate	541
Farm land
Vacant land
Real estate secured	541
Commercial and industrial
Municipal
Consumer
Loans receivable, gross	541
Loss
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured
Commercial and industrial
Municipal
Consumer
Loans receivable, gross
Total
Residential 1-4 family	196,976	187,676
Residential 5+ multifamily	3,604	3,187
Construction of residential 1-4 family	4,044	5,305
Home equity credit	35,263	34,621
Residential real estate	239,887	230,789
Commercial	83,219	81,958
Construction of commercial	5,416	7,069
Commercial real estate	88,635	89,027
Farm land	4,364	4,925
Vacant land	11,172	12,828
Real estate secured	344,058	337,569
Commercial and industrial	28,893	29,358
Municipal	3,083	2,415
Consumer	4,474	4,496
Loans receivable, gross	$ 380,508	$ 373,838