LOANS - Composition of loans receivable and allowance for loan losses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Collectively evaluated Loans
Residential 1-4 family	$ 235,995	$ 225,419
Residential 5+ multifamily	4,370	3,894
Construction of residential 1-4 family	2,042	1,876
Home equity credit	34,148	33,689
Residential real estate	276,555	264,878
Commercial	91,393	87,059
Construction of commercial	17,734	10,948
Commercial real estate	109,127	98,007
Farm land	2,917	3,018
Vacant land	5,955	5,972
Real estate secured	394,554	371,875
Commercial and industrial	44,503	45,584
Municipal	6,181	4,252
Consumer	3,945	3,710
Unallocated allowance
Totals	449,183	425,421
Collectively evaluated Allowance
Residential 1-4 family	1,302	897
Residential 5+ multifamily	66	20
Construction of residential 1-4 family	17	11
Home equity credit	353	363
Residential real estate	1,738	1,291
Commercial	994	977
Construction of commercial	190	126
Commercial real estate	1,184	1,103
Farm land	59	61
Vacant land	64	64
Real estate secured	3,045	2,519
Commercial and industrial	490	519
Municipal	62	43
Consumer	37	36
Unallocated allowance	573
Totals	4,207	3,117
Individually evaluated Loans
Residential 1-4 family	6,227	5,694
Residential 5+ multifamily	1,027	954
Construction of residential 1-4 family
Home equity credit	678	450
Residential real estate	7,932	7,098
Commercial	4,703	4,794
Construction of commercial	131
Commercial real estate	4,834	4,794
Farm land	384	384
Vacant land	3,082	3,095
Real estate secured	16,232	15,371
Commercial and industrial	597	708
Municipal
Consumer	82	179
Unallocated allowance
Totals	16,911	16,258
Individually evaluated Allowance
Residential 1-4 family	499	617
Residential 5+ multifamily	3
Construction of residential 1-4 family
Home equity credit	61	30
Residential real estate	563	647
Commercial	527	282
Construction of commercial
Commercial real estate	527	282
Farm land
Vacant land	38	101
Real estate secured	1,128	1,030
Commercial and industrial	27	42
Municipal
Consumer	22	69
Unallocated allowance
Totals	1,177	1,141
Total portfolio Loans
Residential 1-4 family	242,222	231,113
Residential 5+ multifamily	5,397	4,848
Construction of residential 1-4 family	2,042	1,876
Home equity credit	34,826	34,139
Residential real estate	284,487	271,976
Commercial	96,096	91,853
Construction of commercial	17,865	10,948
Commercial real estate	113,961	102,801
Farm land	3,301	3,402
Vacant land	9,037	9,067
Real estate secured	410,786	387,246
Commercial and industrial	45,100	46,292
Municipal	6,181	4,252
Consumer	4,027	3,889
Unallocated allowance
Totals	466,094	441,679
Total portfolio Allowance
Residential 1-4 family	1,801	1,514
Residential 5+ multifamily	69	20
Construction of residential 1-4 family	17	11
Home equity credit	414	393
Residential real estate	2,301	1,938
Commercial	1,521	1,259
Construction of commercial	190	126
Commercial real estate	1,711	1,385
Farm land	59	61
Vacant land	102	165
Real estate secured	4,173	3,549
Commercial and industrial	517	561
Municipal	62	43
Consumer	59	105
Unallocated allowance	573	425
Totals	$ 5,384	$ 4,683