LOANS - Composition of loans receivable by risk rating grade (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Pass
Residential 1-4 family	$ 189,694	$ 180,442
Residential 5+ multifamily	2,354	2,872
Construction of residential 1-4 family	1,395	1,570
Home equity credit	30,881	30,981
Residential real estate	224,324	215,865
Commercial	68,196	64,817
Construction of commercial	8,989	5,055
Commercial real estate	77,185	69,872
Farm land	1,644	2,799
Vacant land	4,425	4,885
Real estate secured	307,578	293,421
Commercial and industrial	24,049	28,453
Municipal	3,995	3,378
Consumer	3,851	3,994
Loans receivable, gross	339,473	329,246
Special mention
Residential 1-4 family	13,344	12,473
Residential 5+ multifamily	1,142	773
Construction of residential 1-4 family
Home equity credit	1,368	1,848
Residential real estate	15,854	15,094
Commercial	19,679	13,299
Construction of commercial	153	297
Commercial real estate	19,832	13,596
Farm land	1,466	341
Vacant land	189	863
Real estate secured	37,341	29,894
Commercial and industrial	8,532	8,300
Municipal
Consumer	101	159
Loans receivable, gross	45,974	38,353
Substandard
Residential 1-4 family	6,023	5,538
Residential 5+ multifamily	1,218	244
Construction of residential 1-4 family		809
Home equity credit	1,676	1,333
Residential real estate	8,917	7,924
Commercial	8,960	9,266
Construction of commercial	613	471
Commercial real estate	9,573	9,737
Farm land	1,172	1,180
Vacant land	3,284	4,178
Real estate secured	22,946	23,019
Commercial and industrial	1,362	1,341
Municipal
Consumer	23	28
Loans receivable, gross	24,331	24,388
Doubtful
Residential 1-4 family	98	99
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate	98	99
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured	98	99
Commercial and industrial
Municipal
Consumer
Loans receivable, gross	98	99
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	209,159	198,552
Residential 5+ multifamily	4,714	3,889
Construction of residential 1-4 family	1,395	2,379
Home equity credit	33,925	34,162
Residential real estate	249,193	238,982
Commercial	96,835	87,382
Construction of commercial	9,755	5,823
Commercial real estate	106,590	93,205
Farm land	4,282	4,320
Vacant land	7,898	9,926
Real estate secured	367,963	346,433
Commercial and industrial	33,943	38,094
Municipal	3,995	3,378
Consumer	3,975	4,181
Loans receivable, gross	$ 409,876	$ 392,086