LOANS - Composition of loans receivable and allowance for loan losses (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Collectively evaluated Loans
Residential 1-4 family	$ 233,203	$ 225,419
Residential 5+ multifamily	3,828	3,894
Construction of residential 1-4 family	2,272	1,876
Home equity credit	33,905	33,689
Residential real estate	273,208	264,878
Commercial	90,727	87,059
Construction of commercial	14,219	10,948
Commercial real estate	104,946	98,007
Farm land	2,984	3,018
Vacant land	5,801	5,972
Real estate secured	386,903	371,875
Commercial and industrial	48,725	45,584
Municipal	4,421	4,252
Consumer	3,686	3,710
Unallocated allowance
Totals	443,735	425,421
Collectively evaluated Allowance
Residential 1-4 family	922	897
Residential 5+ multifamily	18	20
Construction of residential 1-4 family	12	11
Home equity credit	360	363
Residential real estate	1,312	1,291
Commercial	1,018	977
Construction of commercial	155	126
Commercial real estate	1,173	1,103
Farm land	61	61
Vacant land	63	64
Real estate secured	2,609	2,519
Commercial and industrial	552	519
Municipal	44	43
Consumer	35	36
Unallocated allowance	645
Totals	3,885	3,117
Individually evaluated Loans
Residential 1-4 family	6,055	5,694
Residential 5+ multifamily	1,038	954
Construction of residential 1-4 family
Home equity credit	533	450
Residential real estate	7,626	7,098
Commercial	4,796	4,794
Construction of commercial	133
Commercial real estate	4,929	4,794
Farm land	384	384
Vacant land	3,090	3,095
Real estate secured	16,029	15,371
Commercial and industrial	643	708
Municipal
Consumer	79	179
Unallocated allowance
Totals	16,751	16,258
Individually evaluated Allowance
Residential 1-4 family	598	617
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit	64	30
Residential real estate	662	647
Commercial	449	282
Construction of commercial
Commercial real estate	449	282
Farm land
Vacant land	60	101
Real estate secured	1,171	1,030
Commercial and industrial	32	42
Municipal
Consumer	14	69
Unallocated allowance
Totals	1,217	1,141
Total portfolio Loans
Residential 1-4 family	239,258	231,113
Residential 5+ multifamily	4,866	4,848
Construction of residential 1-4 family	2,272	1,876
Home equity credit	34,438	34,139
Residential real estate	280,834	271,976
Commercial	95,523	91,853
Construction of commercial	14,352	10,948
Commercial real estate	109,875	102,801
Farm land	3,332	3,402
Vacant land	8,891	9,067
Real estate secured	402,932	387,246
Commercial and industrial	49,368	46,292
Municipal	4,421	4,252
Consumer	3,765	3,889
Unallocated allowance
Totals	460,486	441,679
Total portfolio Allowance
Residential 1-4 family	1,520	1,514
Residential 5+ multifamily	18	20
Construction of residential 1-4 family	12	11
Home equity credit	424	393
Residential real estate	1,974	1,938
Commercial	1,467	1,259
Construction of commercial	155	126
Commercial real estate	1,622	1,385
Farm land	61	61
Vacant land	123	165
Real estate secured	3,780	3,549
Commercial and industrial	584	561
Municipal	44	43
Consumer	49	105
Unallocated allowance	645	425
Totals	$ 5,102	$ 4,683