SEGMENT REPORTING (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) segment	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of primary business segment | segment	2
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	$ 60,055	$ 56,168	$ 54,244
Interest expense	3,068	3,839	3,602
Net interest income	56,987	52,329	50,642
Provision for loan losses	9,022	2,437	1,571
Net interest income after provision for loan losses	47,965	49,892	49,071
Noninterest Income	20,491	21,149	20,447
Non-interest expenses	53,764	56,610	55,427
Income before income tax expense	14,692	14,431	14,091
Income tax benefit	7,262	4,404	4,658
Net income	7,430	10,027	9,433
Segment assets	1,707,620	1,657,179	1,619,964
Holding Company, CFS and CRM
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	24	9	4
Interest expense	0	0	0
Net interest income	24	9	4
Provision for loan losses	0	0	0
Net interest income after provision for loan losses	24	9	4
Noninterest Income	462	515	906
Non-interest expenses	1,169	1,151	1,028
Income before income tax expense	(683)	(627)	(118)
Income tax benefit	(212)	(286)	(111)
Net income	(471)	(341)	(7)
Segment assets	3,363	2,493	1,201
Operating Segments | Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	60,031	56,159	54,240
Interest expense	3,068	3,839	3,602
Net interest income	56,963	52,320	50,638
Provision for loan losses	9,022	2,437	1,571
Net interest income after provision for loan losses	47,941	49,883	49,067
Noninterest Income	11,224	12,318	11,019
Non-interest expenses	46,931	49,783	48,882
Income before income tax expense	12,234	12,418	11,204
Income tax benefit	6,283	3,693	3,620
Net income	5,951	8,725	7,584
Segment assets	1,700,196	1,650,100	1,614,481
Operating Segments | WMG
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	0	0	0
Interest expense	0	0	0
Net interest income	0	0	0
Provision for loan losses	0	0	0
Net interest income after provision for loan losses	0	0	0
Noninterest Income	8,805	8,316	8,522
Non-interest expenses	5,664	5,676	5,517
Income before income tax expense	3,141	2,640	3,005
Income tax benefit	1,191	997	1,149
Net income	1,950	1,643	1,856
Segment assets	$ 4,061	$ 4,586	$ 4,282