LOANS - Composition of loans receivable and loans held-for-sale (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Business Activites Loans
Residential 1-4 family	$ 286,663	$ 261,495
Residential 5+ multifamily	7,690	6,411
Construction of residential 1-4 family	9,824	7,998
Home equity lines of credit	35,470	35,017
Residential real estate	339,647	310,921
Commercial	162,602	129,446
Construction of commercial	406	6,525
Commercial real estate	166,668	135,971
Farm land	4,033	3,193
Vacant land	5,830	8,563
Real estate secured	516,178	458,648
Commercial and industrial	101,146	74,657
Municipal	8,475	9,566
Consumer	5,593	6,195
Loans receivable, gross	631,392	549,066
Deferred loan origination fees and costs, net	1,280	1,189
Allowance for loan losses	(5,613)	(5,481)
Loans receivable, net	627,059	544,744
Loans held-for-sale
Residential 1-4 family	837	763
Acquired Loans
Residential 1-4 family	7,022	7,799
Residential 5+ multifamily	5,864	6,136
Construction of residential 1-4 family
Home equity lines of credit
Residential real estate	12,886	13,935
Commercial	81,741	88,829
Construction of commercial	2,139	4,874
Commercial real estate	83,880	93,703
Farm land
Vacant land
Real estate secured	96,766	107,638
Commercial and industrial	30,009	46,764
Municipal
Consumer	68	77
Loans receivable, gross	126,843	154,479
Deferred loan origination fees and costs, net
Allowance for loan losses	(279)	(235)
Loans receivable, net	126,564	154,244
Loans held-for-sale
Residential 1-4 family
Total
Residential 1-4 family	293,685	269,294
Residential 5+ multifamily	13,554	12,547
Construction of residential 1-4 family	9,824	7,998
Home equity lines of credit	35,470	35,017
Residential real estate	352,533	324,856
Commercial	244,343	218,275
Construction of commercial	6,205	11,399
Commercial real estate	250,548	229,674
Farm land	4,033	3,193
Vacant land	5,830	8,563
Real estate secured	612,944	566,286
Commercial and industrial	131,155	121,421
Municipal	8,475	9,566
Consumer	5,661	6,272
Loans receivable, gross	758,235	703,545
Deferred loan origination fees and costs, net	1,280	1,189
Allowance for loan losses	(5,892)	(5,716)
Loans receivable, net	753,623	699,018
Loans held-for-sale
Residential 1-4 family	$ 837	$ 763