LOANS - Composition of loans receivable by credit risk rating (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Residential 1-4 family	$ 194,784	$ 187,676
Residential 5+ multifamily	3,583	3,187
Construction of residential 1-4 family	2,478	5,305
Home equity credit	35,584	34,621
Residential real estate	236,429	230,789
Commercial	83,227	81,958
Construction of commercial	7,969	7,069
Commercial real estate	91,196	89,027
Farm land	3,818	4,925
Vacant land	11,489	12,828
Real estate secured	342,932	337,569
Commercial and industrial	30,678	29,358
Municipal	2,689	2,415
Consumer	4,085	4,496
Loans receivable, gross	380,384	373,838
Pass
Residential 1-4 family	177,444	168,326
Residential 5+ multifamily	2,797	2,752
Construction of residential 1-4 family	1,271	4,116
Home equity credit	32,410	31,843
Residential real estate	213,922	207,037
Commercial	62,246	64,458
Construction of commercial	7,198	6,296
Commercial real estate	69,444	70,754
Farm land	2,272	2,327
Vacant land	6,774	8,039
Real estate secured	292,412	288,157
Commercial and industrial	21,167	21,104
Municipal	2,689	2,415
Consumer	3,877	4,254
Loans receivable, gross	320,145	315,930
Special mention
Residential 1-4 family	13,283	15,517
Residential 5+ multifamily	786	435
Construction of residential 1-4 family	413	415
Home equity credit	1,578	1,451
Residential real estate	16,060	17,818
Commercial	10,038	6,187
Construction of commercial	300	302
Commercial real estate	10,338	6,489
Farm land	344	1,768
Vacant land	873	883
Real estate secured	27,615	26,958
Commercial and industrial	7,276	6,847
Municipal
Consumer	160	178
Loans receivable, gross	35,051	33,983
Substandard
Residential 1-4 family	4,057	3,833
Residential 5+ multifamily
Construction of residential 1-4 family	794	774
Home equity credit	1,596	1,327
Residential real estate	6,447	5,934
Commercial	10,943	11,313
Construction of commercial	471	471
Commercial real estate	11,414	11,784
Farm land	1,202	830
Vacant land	3,842	3,906
Real estate secured	22,905	22,454
Commercial and industrial	2,235	1,407
Municipal
Consumer	48	64
Loans receivable, gross	25,188	23,925
Doubtful
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
Unlikely to be Collected Financing Receivable [Member]
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