LOANS - Composition of loans receivable and the allowance for loan losses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Collectively evaluated, Loans
Residential 1-4 family	$ 192,610	$ 182,695
Residential 5+ multifamily	2,867	2,437
Construction of residential 1-4 family	4,044	4,606
Home equity credit	34,941	34,333
Residential real estate	234,462	224,071
Commercial	76,686	74,419
Construction of commercial	5,395	7,049
Commercial real estate	82,081	81,468
Farm land	4,364	4,095
Vacant land	6,641	9,021
Real estate secured	327,548	318,655
Commercial and industrial	26,887	28,091
Municipal	3,083	2,415
Consumer	4,083	4,431
Unallocated allowance
Totals	361,601	353,592
Collectively evaluated, Allowance
Residential 1-4 family	774	762
Residential 5+ multifamily	22	17
Construction of residential 1-4 family	19	17
Home equity credit	391	382
Residential real estate	1,206	1,178
Commercial	879	840
Construction of commercial	60	77
Commercial real estate	939	917
Farm land	67	35
Vacant land	78	104
Real estate secured	2,290	2,234
Commercial and industrial	352	368
Municipal	34	24
Consumer	40	44
Unallocated allowance	392
Totals	3,108	2,670
Individually evaluated, Loans
Residential 1-4 family	4,366	4,981
Residential 5+ multifamily	737	750
Construction of residential 1-4 family		699
Home equity credit	322	288
Residential real estate	5,425	6,718
Commercial	6,533	7,539
Construction of commercial	21	20
Commercial real estate	6,554	7,559
Farm land		830
Vacant land	4,531	3,807
Real estate secured	16,510	18,914
Commercial and industrial	2,006	1,267
Municipal
Consumer	391	65
Unallocated allowance
Totals	18,907	20,246
Individually evaluated, Allowance
Residential 1-4 family	252	297
Residential 5+ multifamily		4
Construction of residential 1-4 family
Home equity credit	22
Residential real estate	274	301
Commercial	93	202
Construction of commercial		20
Commercial real estate	93	222
Farm land		150
Vacant land	167	120
Real estate secured	534	793
Commercial and industrial	447	336
Municipal
Consumer	90	35
Unallocated allowance
Totals	1,071	1,164
Total portfolio, Loans
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
Unallocated allowance
Totals	380,508	373,838
Total portfolio, Allowance
Residential 1-4 family	1,026	1,059
Residential 5+ multifamily	22	21
Construction of residential 1-4 family	19	17
Home equity credit	413	382
Residential real estate	1,480	1,479
Commercial	972	1,042
Construction of commercial	60	97
Commercial real estate	1,032	1,139
Farm land	67	185
Vacant land	245	224
Real estate secured	2,824	3,027
Commercial and industrial	799	704
Municipal	34	24
Consumer	130	79
Unallocated allowance	392	242
Totals	$ 4,179	$ 4,076