LOANS - Composition of loans receivable by risk rating grade (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Residential 1-4 family	$ 218,654	$ 198,552
Residential 5+ multifamily	4,881	3,889
Construction of residential 1-4 family	732	2,379
Home equity credit	33,561	34,162
Residential real estate	257,828	238,982
Commercial	92,841	87,382
Construction of commercial	9,129	5,823
Commercial real estate	101,970	93,205
Farm land	4,233	4,320
Vacant land	9,215	9,926
Real estate secured	373,246	346,433
Commercial and industrial	39,035	38,094
Municipal	4,049	3,378
Consumer	3,902	4,181
Loans receivable, gross	420,232	392,086
Pass
Residential 1-4 family	200,213	180,442
Residential 5+ multifamily	2,691	2,872
Construction of residential 1-4 family	732	1,570
Home equity credit	31,209	30,981
Residential real estate	234,845	215,865
Commercial	66,523	64,817
Construction of commercial	8,366	5,055
Commercial real estate	74,889	69,872
Farm land	1,626	2,799
Vacant land	5,753	4,885
Real estate secured	317,113	293,421
Commercial and industrial	29,245	28,453
Municipal	4,049	3,378
Consumer	3,746	3,994
Loans receivable, gross	354,153	329,246
Special mention
Residential 1-4 family	11,757	12,442
Residential 5+ multifamily	1,215	773
Construction of residential 1-4 family
Home equity credit	1,152	1,848
Residential real estate	14,124	15,094
Commercial	17,378	13,299
Construction of commercial	153	297
Commercial real estate	17,531	13,596
Farm land	1,450	341
Vacant land	297	863
Real estate secured	33,402	29,894
Commercial and industrial	8,585	8,300
Municipal
Consumer	134	159
Loans receivable, gross	42,121	38,353
Substandard
Residential 1-4 family	6,587	5,538
Residential 5+ multifamily	975	244
Construction of residential 1-4 family		809
Home equity credit	1,200	1,333
Residential real estate	8,762	7,924
Commercial	8,940	9,266
Construction of commercial	610	471
Commercial real estate	9,550	9,737
Farm land	1,157	1,180
Vacant land	3,165	4,178
Real estate secured	22,634	23,019
Commercial and industrial	1,205	1,341
Municipal
Consumer	22	28
Loans receivable, gross	23,861	24,388
Doubtful
Residential 1-4 family	97	99
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate	97	99
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured	97	99
Commercial and industrial
Municipal
Consumer
Loans receivable, gross	97	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