LOANS - Composition of loans receivable and the allowance for loan losses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Residential 1-4 family	$ 225,262	$ 198,552
Residential 5+ multifamily	4,894	3,889
Construction of residential 1-4 family	1,250	2,379
Home equity credit	34,163	34,162
Residential real estate	265,569	238,982
Commercial	91,817	87,382
Construction of commercial	9,154	5,823
Commercial real estate	100,971	93,205
Farm land	4,193	4,320
Vacant land	9,168	9,926
Real estate secured	379,901	346,433
Commercial and industrial	35,837	38,094
Municipal	4,101	3,378
Consumer	3,974	4,181
Collectively evaluated, Loans
Residential 1-4 family	219,211	191,886
Residential 5+ multifamily	3,934	2,913
Construction of residential 1-4 family	1,250	2,379
Home equity credit	33,672	33,697
Residential real estate	258,067	230,875
Commercial	86,744	81,635
Construction of commercial	9,154	5,802
Commercial real estate	95,898	87,437
Farm land	3,809	4,320
Vacant land	6,096	5,795
Real estate secured	363,870	328,427
Commercial and industrial	34,997	37,073
Municipal	4,101	3,378
Consumer	3,893	4,061
Unallocated allowance
Totals	406,861	372,939
Collectively evaluated, Allowance
Residential 1-4 family	862	743
Residential 5+ multifamily	20	22
Construction of residential 1-4 family	6	10
Home equity credit	361	365
Residential real estate	1,249	1,140
Commercial	973	931
Construction of commercial	104	64
Commercial real estate	1,077	995
Farm land	66	66
Vacant land	65	70
Real estate secured	2,457	2,271
Commercial and industrial	408	467
Municipal	41	36
Consumer	36	39
Unallocated allowance	535	440
Totals	3,477	3,253
Individually evaluated, Loans
Residential 1-4 family	6,051	6,666
Residential 5+ multifamily	960	976
Construction of residential 1-4 family
Home equity credit	491	465
Residential real estate	7,502	8,107
Commercial	5,073	5,747
Construction of commercial	0	21
Commercial real estate	5,073	5,768
Farm land	384
Vacant land	3,072	4,131
Real estate secured	16,031	18,006
Commercial and industrial	840	1,021
Municipal
Consumer	81	120
Unallocated allowance
Totals	16,952	19,147
Individually evaluated, Allowance
Residential 1-4 family	647	652
Residential 5+ multifamily		50
Construction of residential 1-4 family
Home equity credit	64	92
Residential real estate	711	794
Commercial	365	64
Construction of commercial
Commercial real estate	365	64
Farm land
Vacant land	5	164
Real estate secured	1,081	1,022
Commercial and industrial	71	32
Municipal
Consumer	27	53
Unallocated allowance
Totals	1,179	1,107
Total Portfolio, Loans
Residential 1-4 family	225,262	198,552
Residential 5+ multifamily	4,894	3,889
Construction of residential 1-4 family	1,250	2,379
Home equity credit	34,163	34,162
Residential real estate	265,569	238,982
Commercial	91,817	87,382
Construction of commercial	9,154	5,823
Commercial real estate	100,971	93,205
Farm land	4,193	4,320
Vacant land	9,168	9,926
Real estate secured	379,901	346,433
Commercial and industrial	35,837	38,094
Municipal	4,101	3,378
Consumer	3,974	4,181
Unallocated allowance
Totals	423,813	392,086
Total Portfolio, Allowance
Residential 1-4 family	1,509	1,395
Residential 5+ multifamily	20	72
Construction of residential 1-4 family	6	10
Home equity credit	425	457
Residential real estate	1,960	1,934
Commercial	1,338	995
Construction of commercial	104	64
Commercial real estate	1,442	1,059
Farm land	66	66
Vacant land	70	234
Real estate secured	3,538	3,293
Commercial and industrial	479	499
Municipal	41	36
Consumer	63	92
Unallocated allowance	535	440
Totals	$ 4,656	$ 4,360