LOANS - Composition of loans receivable by delinquency status (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Business Activities Loans - Current
Residential 1-4 family	$ 252,773	$ 241,567
Residential 5+ multifamily	6,032	5,467
Construction of residential 1-4 family	6,193	2,004
Home equity credit	32,733	33,488
Residential real estate	297,731	282,526
Commercial	106,638	94,598
Construction of commercial	12,539	18,602
Commercial real estate	119,177	113,200
Farm land	2,762	2,119
Vacant land	5,504	6,422
Real estate secured	425,174	404,267
Commercial and industrial	69,459	48,478
Municipal	6,947	6,083
Consumer	5,653	4,274
Loans receivable, gross	507,233	463,102
Business Activities Loans - Past due 1-29 days
Residential 1-4 family	3,454	$ 7,299
Residential 5+ multifamily	$ 71
Construction of residential 1-4 family
Home equity credit	$ 424	$ 387
Residential real estate	3,949	7,686
Commercial	$ 1,708	$ 2,079
Construction of commercial
Commercial real estate	$ 1,708	$ 2,079
Farm land
Vacant land	$ 1,119	$ 51
Real estate secured	6,776	9,816
Commercial and industrial	$ 840	$ 582
Municipal
Consumer	$ 92	$ 47
Loans receivable, gross	7,708	10,445
Business Activities Loans - Past due 30-59 days
Residential 1-4 family	$ 332	$ 1,250
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit	$ 291	$ 122
Residential real estate	623	1,372
Commercial	$ 1,569	$ 602
Construction of commercial
Commercial real estate	$ 1,569	$ 602
Farm land		13
Vacant land		7
Real estate secured	$ 2,192	1,994
Commercial and industrial	$ 139	$ 91
Municipal
Consumer	$ 14	$ 8
Loans receivable, gross	2,345	2,093
Business Activities Loans - Past due 60-89 days
Residential 1-4 family	$ 426	$ 555
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit		$ 528
Residential real estate	$ 426	$ 1,083
Commercial	240
Construction of commercial	448
Commercial real estate	$ 688
Farm land		$ 723
Vacant land
Real estate secured	$ 1,114	$ 1,806
Commercial and industrial	$ 397	$ 17
Municipal
Consumer	$ 1	$ 5
Loans receivable, gross	1,512	1,828
Business Activities Loans - Past due 90-179 days
Residential 1-4 family	$ 93	976
Residential 5+ multifamily		$ 89
Construction of residential 1-4 family
Home equity credit	$ 422	$ 39
Residential real estate	515	$ 1,104
Commercial	$ 119
Construction of commercial
Commercial real estate	$ 119
Farm land
Vacant land		$ 39
Real estate secured	$ 634	1,143
Commercial and industrial	$ 5	$ 36
Municipal
Consumer
Loans receivable, gross	$ 639	$ 1,179
Business Activities Loans - Past due 180 days and over
Residential 1-4 family	3,834	$ 611
Residential 5+ multifamily	$ 89
Construction of residential 1-4 family
Home equity credit	$ 10	$ 63
Residential real estate	3,933	674
Commercial	$ 681	$ 1,219
Construction of commercial
Commercial real estate	$ 681	$ 1,219
Farm land	723	384
Vacant land	2,823	2,823
Real estate secured	8,160	$ 5,100
Commercial and industrial	$ 18
Municipal
Consumer
Loans receivable, gross	$ 8,178	$ 5,100
Business Activities Loans - Past due 30 days and over
Residential 1-4 family	4,685	3,392
Residential 5+ multifamily	$ 89	$ 89
Construction of residential 1-4 family
Home equity credit	$ 723	$ 752
Residential real estate	5,497	4,233
Commercial	2,609	$ 1,821
Construction of commercial	448
Commercial real estate	3,057	$ 1,821
Farm land	723	1,120
Vacant land	2,823	2,869
Real estate secured	12,100	10,043
Commercial and industrial	$ 559	$ 144
Municipal
Consumer	$ 15	$ 13
Loans receivable, gross	$ 12,674	$ 10,200
Business Activities Loans - Accruing 90 days and over
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured
Commercial and industrial	$ 5	$ 17
Municipal
Consumer
Loans receivable, gross	$ 5	$ 17
Business Activities Loans - Non-accrual
Residential 1-4 family	5,770	2,445
Residential 5+ multifamily	$ 89	$ 89
Construction of residential 1-4 family
Home equity credit	$ 494	$ 348
Residential real estate	6,353	2,882
Commercial	$ 2,423	$ 1,219
Construction of commercial
Commercial real estate	$ 2,423	$ 1,219
Farm land	1,036	384
Vacant land	2,857	2,862
Real estate secured	12,669	7,347
Commercial and industrial	$ 419	$ 33
Municipal
Consumer
Loans receivable, gross	$ 13,088	$ 7,380
Acquired Loans - Current
Residential 1-4 family	6,977	8,661
Residential 5+ multifamily	$ 6,228	$ 8,735
Construction of residential 1-4 family
Home equity credit
Residential real estate	$ 13,205	$ 17,396
Commercial	86,852	95,695
Construction of commercial	4,590	3,045
Commercial real estate	$ 91,442	$ 104,740
Farm land
Vacant land
Real estate secured	$ 104,647	$ 122,136
Commercial and industrial	$ 53,116	$ 67,665
Municipal
Consumer	$ 70	$ 117
Loans receivable, gross	157,833	$ 189,918
Acquired Loans - Past due 1-29 days
Residential 1-4 family	$ 190
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate	$ 190
Commercial	$ 1,982	$ 1,109
Construction of commercial
Commercial real estate	$ 1,982	$ 1,109
Farm land
Vacant land
Real estate secured	$ 2,172	$ 1,109
Commercial and industrial	$ 561	$ 740
Municipal
Consumer		$ 5
Loans receivable, gross	$ 2,733	$ 1,854
Acquired Loans - Past due 30-59 days
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate
Commercial		$ 167
Construction of commercial
Commercial real estate		$ 167
Farm land
Vacant land
Real estate secured		$ 167
Commercial and industrial	$ 191	$ 89
Municipal
Consumer	$ 4
Loans receivable, gross	$ 195	$ 256
Acquired Loans - Past due 60-89 days
Residential 1-4 family
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate
Commercial	$ 461
Construction of commercial
Commercial real estate	$ 461
Farm land
Vacant land
Real estate secured	$ 461
Commercial and industrial	$ 20	$ 220
Municipal
Consumer
Loans receivable, gross	$ 481	$ 220
Acquired Loans - Past due 90-179 days
Residential 1-4 family	$ 269
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate	$ 269
Commercial	$ 102	$ 285
Construction of commercial
Commercial real estate	$ 102	$ 285
Farm land
Vacant land
Real estate secured	$ 371	$ 285
Commercial and industrial	$ 40
Municipal
Consumer
Loans receivable, gross	$ 411	$ 285
Acquired Loans - Past due 180 days and over
Residential 1-4 family	$ 590	$ 562
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate	$ 590	$ 562
Commercial	2,070	$ 643
Construction of commercial	272
Commercial real estate	$ 2,342	$ 643
Farm land
Vacant land
Real estate secured	$ 2,932	$ 1,205
Commercial and industrial
Municipal
Consumer
Loans receivable, gross	$ 2,932	$ 1,205
Acquired Loans - Past due 30 days and over
Residential 1-4 family	$ 859	$ 562
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate	$ 859	$ 562
Commercial	2,633	$ 1,095
Construction of commercial	272
Commercial real estate	$ 2,905	$ 1,095
Farm land
Vacant land
Real estate secured	$ 3,764	$ 1,657
Commercial and industrial	$ 251	$ 309
Municipal
Consumer	$ 4
Loans receivable, gross	4,019	$ 1,966
Acquired Loans - Accruing 90 days and over
Residential 1-4 family	$ 91
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate	$ 91
Commercial
Construction of commercial
Commercial real estate
Farm land
Vacant land
Real estate secured	$ 91
Commercial and industrial
Municipal
Consumer
Loans receivable, gross	$ 91
Acquired Loans - Non-accrual
Residential 1-4 family	$ 767	$ 562
Residential 5+ multifamily
Construction of residential 1-4 family
Home equity credit
Residential real estate	$ 767	$ 562
Commercial	2,172	$ 1,931
Construction of commercial	272
Commercial real estate	$ 2,444	$ 1,931
Farm land
Vacant land
Real estate secured	$ 3,211	$ 2,493
Commercial and industrial	$ 40
Municipal
Consumer
Loans receivable, gross	$ 3,251	$ 2,493