LOANS - Composition of loans receivable by delinquency status (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Current
Residential 1-4 family	$ 190,863	$ 182,263
Residential 5+ multifamily	3,363	2,918
Residential 1-4 family construction	4,044	5,305
Home equity credit	34,059	34,124
Residential real estate	232,329	224,610
Commercial	77,516	75,486
Construction of commercial	5,272	6,796
Commercial real estate	82,788	82,282
Farm land	3,974	4,499
Vacant land	5,619	9,047
Real estate secured	324,710	320,438
Commercial and industrial	28,024	28,542
Municipal	3,083	2,415
Consumer	4,361	4,371
Loans receivable, gross	360,178	355,766
Past due, 1-29 days
Residential 1-4 family	4,174	3,772
Residential 5+ multifamily	134
Residential 1-4 family construction
Home equity credit	420	298
Residential real estate	4,728	4,070
Commercial	2,365	3,887
Construction of commercial		108
Commercial real estate	2,365	3,995
Farm land	14	46
Vacant land	933	73
Real estate secured	8,040	8,184
Commercial and industrial	417	152
Municipal
Consumer	60	72
Loans receivable, gross	8,517	8,408
Past due, 30-59 days
Residential 1-4 family	745	811
Residential 5+ multifamily		112
Residential 1-4 family construction
Home equity credit	58	50
Residential real estate	803	973
Commercial	1,146	483
Construction of commercial	144	145
Commercial real estate	1,290	628
Farm land		380
Vacant land	229	50
Real estate secured	2,322	2,031
Commercial and industrial		51
Municipal
Consumer	41	51
Loans receivable, gross	2,363	2,133
Past due, 60-89 days
Residential 1-4 family	488	121
Residential 5+ multifamily	107	157
Residential 1-4 family construction
Home equity credit	428
Residential real estate	1,023	278
Commercial	313	180
Construction of commercial
Commercial real estate	313	180
Farm land	376
Vacant land	789
Real estate secured	2,501	458
Commercial and industrial		1
Municipal
Consumer	12	2
Loans receivable, gross	2,513	461
Past due, 90-179 days
Residential 1-4 family	498
Residential 5+ multifamily
Residential 1-4 family construction
Home equity credit	92	83
Residential real estate	590	83
Commercial		930
Construction of commercial		20
Commercial real estate		950
Farm land
Vacant land	44
Real estate secured	634	1,033
Commercial and industrial		62
Municipal
Consumer
Loans receivable, gross	634	1,095
180 days and over
Residential 1-4 family	208	709
Residential 5+ multifamily
Residential 1-4 family construction
Home equity credit	206	66
Residential real estate	414	775
Commercial	1,879	992
Construction of commercial
Commercial real estate	1,879	992
Farm land
Vacant land	3,558	3,658
Real estate secured	5,851	5,425
Commercial and industrial	452	550
Municipal
Consumer
Loans receivable, gross	6,303	5,975
30 days and over
Residential 1-4 family	1,939	1,641
Residential 5+ multifamily	107	269
Residential 1-4 family construction
Home equity credit	784	199
Residential real estate	2,830	2,109
Commercial	3,338	2,585
Construction of commercial	144	165
Commercial real estate	3,482	2,750
Farm land	376	380
Vacant land	4,620	3,708
Real estate secured	11,308	8,947
Commercial and industrial	452	664
Municipal
Consumer	53	53
Loans receivable, gross	11,813	9,664
Accruing 90 days and over
Residential 1-4 family
Residential 5+ multifamily
Residential 1-4 family construction
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
Nonaccrual
Residential 1-4 family	1,157	1,240
Residential 5+ multifamily
Residential 1-4 family construction
Home equity credit	299	173
Residential real estate	1,456	1,413
Commercial	2,739	2,317
Construction of commercial	21	20
Commercial real estate	2,760	2,337
Farm land
Vacant land	4,391	3,658
Real estate secured	8,607	7,408
Commercial and industrial	622	668
Municipal
Consumer
Loans receivable, gross	$ 9,229	$ 8,076