LOANS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Loans
Total loans	$ 756,804	$ 619,906	$ 756,804	$ 619,906	$ 618,394
Changes in the allowance for loan losses
Balance at beginning of period	4,733	5,600	5,004	5,140	5,140
Recoveries on loans previously charged off	35	36	120	149	690
Loans charged off	(106)	(207)	(612)	(365)	(2,030)
Provision	200	350	350	855	1,204
Balance at end of period	4,862	5,779	4,862	5,779	5,004
Net recoveries			$ 492
Net charge off activity				216
Net charge off activity as percentage of average loans outstanding			0.10%
Balance at the beginning of period				2,786	2,786
Accretion				(954)
Reclassification from nonaccretable difference				188
Balance at the end of period		2,020		2,020
Peninsula Financial Corporation
Acquired portfolio
Loans acquired - contractual payments	67,139		$ 67,139
Nonaccretable difference	(2,234)		(2,234)
Expected cash flows	64,905		64,905
Accretable yield	(2,844)		(2,844)
Carrying balance at acquisition date	62,061		62,061
Changes in the allowance for loan losses
Balance at the beginning of period			1,768
Accretion			(525)
Reclassification from nonaccretable difference			(80)
Balance at the end of period	1,163		1,163		1,768
Eagle
Acquired portfolio
Loans acquired - contractual payments	86,040		86,040
Nonaccretable difference	(1,172)		(1,172)
Expected cash flows	84,868		84,868
Accretable yield	(2,091)		(2,091)
Carrying balance at acquisition date	82,777		82,777
Changes in the allowance for loan losses
Acquisition			688
Accretion			(49)
Balance at the end of period	639		639
Niagara Bancorporation
Acquired portfolio
Loans acquired - contractual payments	32,041		32,041
Nonaccretable difference	(265)		(265)
Expected cash flows	31,776		31,776
Accretable yield	(688)		(688)
Carrying balance at acquisition date	31,088		31,088
Changes in the allowance for loan losses
Acquisition			2,091
Accretion			(299)
Reclassification from nonaccretable difference			(54)
Balance at the end of period	1,738		1,738
Commercial real estate
Loans
Total loans	362,858	310,025	362,858	310,025	312,805
Changes in the allowance for loan losses
Balance at beginning of period	1,824	2,550	1,611	2,813	2,813
Recoveries on loans previously charged off	17	28	40	120	588
Loans charged off	(20)	(52)	(245)	(52)	(52)
Provision	(235)	(221)	180	(576)	(1,738)
Balance at end of period	1,586	2,305	1,586	2,305	1,611
Commercial, financial, and agricultural
Loans
Total loans	136,065	120,804	136,065	120,804	122,140
Changes in the allowance for loan losses
Balance at beginning of period	700	2,571	645	1,539	1,539
Recoveries on loans previously charged off	4	3	40	3	22
Loans charged off		(57)	(206)	(157)	(1,749)
Provision	(180)	355	45	1,487	833
Balance at end of period	524	2,872	524	2,872	645
Commercial construction
Loans
Total loans	14,343	15,498	14,343	15,498	15,330
Changes in the allowance for loan losses
Balance at beginning of period	78	128	79	142	142
Recoveries on loans previously charged off					52
Provision	(16)	(17)	(17)	(31)	(115)
Balance at end of period	62	111	62	111	79
One to four family residential real estate
Loans
Total loans	211,072	144,807	211,072	144,807	140,502
Changes in the allowance for loan losses
Balance at beginning of period	348	282	274	285	285
Recoveries on loans previously charged off	2		4	1	2
Loans charged off	(76)	(62)	(125)	(92)	(142)
Provision	133	74	254	100	129
Balance at end of period	407	294	407	294	274
Consumer
Loans
Total loans	20,698	16,815	20,698	16,815	15,847
Changes in the allowance for loan losses
Balance at beginning of period	23	27	64	13	13
Recoveries on loans previously charged off	12	5	29	24	26
Loans charged off	(10)	(36)	(36)	(64)	(87)
Provision	49	46	17	69	112
Balance at end of period	74	42	74	42	64
Consumer construction
Loans
Total loans	11,768	11,957	11,768	11,957	11,770
Changes in the allowance for loan losses
Balance at beginning of period	5	5	7	6	6
Recoveries on loans previously charged off			7	1
Provision	1	2	(8)		1
Balance at end of period	6	7	6	7	7
Acquired impaired
Changes in the allowance for loan losses
Balance at the beginning of period				744	744
Accretion				(429)
Reclassification from nonaccretable difference				188
Balance at the end of period		503		503
Acquired impaired | Peninsula Financial Corporation
Acquired portfolio
Loans acquired - contractual payments	13,290		13,290
Nonaccretable difference	(2,234)		(2,234)
Expected cash flows	11,056		11,056
Accretable yield	(744)		(744)
Carrying balance at acquisition date	10,312		10,312
Changes in the allowance for loan losses
Balance at the beginning of period			426
Reclassification from nonaccretable difference			(80)
Balance at the end of period	346		346		426
Acquired impaired | Eagle
Acquired portfolio
Loans acquired - contractual payments	3,401		3,401
Nonaccretable difference	(1,172)		(1,172)
Expected cash flows	2,229		2,229
Accretable yield	(391)		(391)
Carrying balance at acquisition date	1,838		1,838
Changes in the allowance for loan losses
Acquisition			88
Balance at the end of period	88		88
Acquired impaired | Niagara Bancorporation
Acquired portfolio
Loans acquired - contractual payments	2,105		2,105
Nonaccretable difference	(265)		(265)
Expected cash flows	1,840		1,840
Accretable yield	(88)		(88)
Carrying balance at acquisition date	1,752		1,752
Changes in the allowance for loan losses
Acquisition			391
Reclassification from nonaccretable difference			(54)
Balance at the end of period	337		337
Acquired Non-impaired
Changes in the allowance for loan losses
Balance at the beginning of period				2,042	2,042
Accretion				(525)
Balance at the end of period		$ 1,517		$ 1,517
Acquired Non-impaired | Peninsula Financial Corporation
Acquired portfolio
Loans acquired - contractual payments	53,849		53,849
Expected cash flows	53,849		53,849
Accretable yield	(2,100)		(2,100)
Carrying balance at acquisition date	51,749		51,749
Changes in the allowance for loan losses
Balance at the beginning of period			1,342
Accretion			(525)
Balance at the end of period	817		817		$ 1,342
Acquired Non-impaired | Eagle
Acquired portfolio
Loans acquired - contractual payments	82,639		82,639
Expected cash flows	82,639		82,639
Accretable yield	(1,700)		(1,700)
Carrying balance at acquisition date	80,939		80,939
Changes in the allowance for loan losses
Acquisition			600
Accretion			(49)
Balance at the end of period	551		551
Acquired Non-impaired | Niagara Bancorporation
Acquired portfolio
Loans acquired - contractual payments	29,936		29,936
Expected cash flows	29,936		29,936
Accretable yield	(600)		(600)
Carrying balance at acquisition date	29,336		29,336
Changes in the allowance for loan losses
Acquisition			1,700
Accretion			(299)
Balance at the end of period	$ 1,401		$ 1,401