LOANS - Composition of loans receivable and the allowance for loan losses (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Collectively evaluated, Loans
Residential 1-4 family	$ 190,514	$ 182,695
Residential 5+ multifamily	2,842	2,437
Construction of residential 1-4 family	2,478	4,606
Home equity credit	35,098	34,333
Residential real estate	230,932	224,071
Commercial	76,898	74,419
Construction of commercial	7,948	7,049
Commercial real estate	84,846	81,468
Farm land	3,818	4,095
Vacant land	7,745	9,021
Real estate secured	327,341	318,655
Commercial and industrial	28,632	28,091
Municipal	2,689	2,415
Consumer	4,024	4,431
Unallocated allowance
Totals	362,686	353,592
Collectively evaluated, Allowance
Residential 1-4 family	762	762
Residential 5+ multifamily	22	17
Construction of residential 1-4 family	12	17
Home equity credit	396	382
Residential real estate	1,192	1,178
Commercial	882	840
Construction of commercial	85	77
Commercial real estate	967	917
Farm land	63	35
Vacant land	96	104
Real estate secured	2,318	2,234
Commercial and industrial	374	368
Municipal	27	24
Consumer	39	44
Unallocated allowance
Totals	2,758	2,670
Individually evaluated, Loans
Residential 1-4 family	4,270	4,981
Residential 5+ multifamily	741	750
Construction of residential 1-4 family		699
Home equity credit	486	288
Residential real estate	5,497	6,718
Commercial	6,329	7,539
Construction of commercial	21	20
Commercial real estate	6,350	7,559
Farm land		830
Vacant land	3,744	3,807
Real estate secured	15,591	18,914
Commercial and industrial	2,046	1,267
Municipal
Consumer	61	65
Unallocated allowance
Totals	17,698	20,246
Individually evaluated, Allowance
Residential 1-4 family	269	297
Residential 5+ multifamily		4
Construction of residential 1-4 family
Home equity credit	16
Residential real estate	285	301
Commercial	288	202
Construction of commercial	21	20
Commercial real estate	309	222
Farm land		150
Vacant land	60	120
Real estate secured	654	793
Commercial and industrial	447	336
Municipal
Consumer	26	35
Unallocated allowance
Totals	1,127	1,164
Total portfolio, Loans
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	337,559
Commercial and industrial	30,678	29,358
Municipal	2,689	2,415
Consumer	4,085	4,496
Unallocated allowance
Totals	380,384	373,838
Total portfolio, Allowance
Residential 1-4 family	1,031	1,059
Residential 5+ multifamily	22	21
Construction of residential 1-4 family	12	17
Home equity credit	412	382
Residential real estate	1,477	1,479
Commercial	1,170	1,042
Construction of commercial	106	97
Commercial real estate	1,276	1,139
Farm land	63	185
Vacant land	156	224
Real estate secured	2,972	3,027
Commercial and industrial	821	704
Municipal	27	24
Consumer	65	79
Unallocated allowance	323	242
Totals	$ 4,208	$ 4,076