LOANS - Composition of loans receivable by risk rating grade (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Business Activities Loans - Pass
Residential 1-4 family	$ 260,994	$ 248,027
Residential 5+ multifamily	6,075	4,507
Construction of residential 1-4 family	8,445	7,111
Home equity lines of credit	32,954	33,687
Residential real estate	308,468	293,332
Commercial	125,703	120,903
Construction of commercial	10,025	6,525
Commercial real estate	135,728	127,428
Farm land	2,983	2,162
Vacant land	5,207	5,567
Real estate secured	452,386	428,489
Commercial and industrial	88,953	72,887
Municipal	9,364	9,566
Consumer	5,788	6,171
Loans receivable, gross	556,491	517,113
Business Activities Loans - Special mention
Residential 1-4 family	6,386	6,933
Residential 5+ multifamily	1,931	1,815
Construction of residential 1-4 family	887	887
Home equity lines of credit	510	545
Residential real estate	9,714	10,180
Commercial	$ 5,269	$ 4,801
Construction of commercial
Commercial real estate	$ 5,269	$ 4,801
Farm land
Vacant land	$ 67	$ 69
Real estate secured	15,050	15,050
Commercial and industrial	$ 2,995	$ 1,214
Municipal
Consumer	$ 17	$ 18
Loans receivable, gross	18,062	16,282
Business Activities Loans - Substandard
Residential 1-4 family	7,411	6,444
Residential 5+ multifamily	$ 89	$ 89
Construction of residential 1-4 family
Home equity lines of credit	$ 865	$ 785
Residential real estate	8,365	7,318
Commercial	5,343	$ 3,742
Construction of commercial	120
Commercial real estate	5,463	$ 3,742
Farm land	1,024	1,031
Vacant land	2,924	2,927
Real estate secured	17,776	15,018
Commercial and industrial	$ 578	$ 555
Municipal
Consumer	$ 1	$ 6
Loans receivable, gross	18,355	15,579
Business Activities Loans - Doubtful
Residential 1-4 family	$ 90	$ 91
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	$ 90	$ 91
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured	$ 90	$ 91
Commercial and industrial	$ 2	$ 1
Municipal
Consumer
Loans receivable, gross	$ 92	$ 92
Business Activities Loans - Loss
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of 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
Business Activities Loans - Total
Residential 1-4 family	$ 274,881	$ 261,495
Residential 5+ multifamily	8,095	6,411
Construction of residential 1-4 family	9,332	7,998
Home equity lines of credit	34,329	35,017
Residential real estate	326,637	310,921
Commercial	136,315	129,446
Construction of commercial	10,145	6,525
Commercial real estate	146,460	135,971
Farm land	4,007	3,193
Vacant land	8,198	8,563
Real estate secured	485,302	458,648
Commercial and industrial	92,528	74,657
Municipal	9,364	9,566
Consumer	5,806	6,195
Loans receivable, gross	593,000	549,066
Acquired Loans - Pass
Residential 1-4 family	6,663	6,824
Residential 5+ multifamily	$ 5,927	$ 6,136
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	$ 12,590	$ 12,960
Commercial	77,995	80,406
Construction of commercial	4,645	4,612
Commercial real estate	$ 82,640	$ 85,018
Farm land
Vacant land
Real estate secured	$ 95,230	$ 97,978
Commercial and industrial	$ 34,007	$ 45,363
Municipal
Consumer	$ 71	$ 71
Loans receivable, gross	$ 129,308	143,412
Acquired Loans - Special Mention
Residential 1-4 family		$ 199
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate		$ 199
Commercial	$ 3,067	$ 4,005
Construction of commercial
Commercial real estate	$ 3,067	$ 4,005
Farm land
Vacant land
Real estate secured	$ 3,067	$ 4,204
Commercial and industrial	$ 917	$ 875
Municipal
Consumer	$ 5	$ 6
Loans receivable, gross	3,989	5,085
Acquired Loans - Substandard
Residential 1-4 family	780	$ 776
Residential 5+ multifamily	$ 123
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	$ 903	$ 776
Commercial	5,438	4,418
Construction of commercial	258	262
Commercial real estate	$ 5,696	$ 4,680
Farm land
Vacant land
Real estate secured	$ 6,599	$ 5,456
Commercial and industrial	$ 509	$ 443
Municipal
Consumer
Loans receivable, gross	$ 7,108	$ 5,899
Acquired Loans - Doubtful
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured
Commercial and industrial	$ 84	$ 83
Municipal
Consumer
Loans receivable, gross	$ 84	$ 83
Acquired Loans - Loss
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity lines of 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
Acquired Loans - Total
Residential 1-4 family	$ 7,443	$ 7,799
Residential 5+ multifamily	$ 6,050	$ 6,136
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	$ 13,493	$ 13,935
Commercial	86,500	88,829
Construction of commercial	4,903	4,874
Commercial real estate	$ 91,403	$ 93,703
Farm land
Vacant land
Real estate secured	$ 104,896	$ 107,638
Commercial and industrial	$ 35,517	$ 46,764
Municipal
Consumer	$ 76	$ 77
Loans receivable, gross	$ 140,489	$ 154,479