SEGMENT REPORTING (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) segment	Dec. 31, 2017 USD ($)	Dec. 31, 2016 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	$ 64,553	$ 60,055	$ 56,168
Interest expense	4,073	3,068	3,839
Net interest income	60,480	56,987	52,329
Provision for loan losses	3,153	9,022	2,437
Net interest income after provision for loan losses	57,327	47,965	49,892
Non-interest income	23,074	20,491	21,149
Legal settlements	989	850	1,200
Non-interest expenses	56,766	53,764	56,610
Income before income tax expense	23,635	14,692	14,431
Income tax benefit	4,009	7,262	4,404
Net income	19,626	7,430	10,027
Segment assets	1,755,343	1,707,620	1,657,179
Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Non-interest income	13,596	11,226	12,318
Holding Company, CFS and CRM
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	42	24	9
Interest expense	0	0	0
Net interest income	42	24	9
Provision for loan losses	0	0	0
Net interest income after provision for loan losses	42	24	9
Non-interest income	160	462	515
Non-interest expenses	1,119	1,169	1,151
Income before income tax expense	(917)	(683)	(627)
Income tax benefit	(167)	(212)	(286)
Net income	(750)	(471)	(341)
Segment assets	4,529	3,363	2,493
Operating Segments | Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	64,511	60,031	56,159
Interest expense	4,073	3,068	3,839
Net interest income	60,438	56,963	52,320
Provision for loan losses	3,153	9,022	2,437
Net interest income after provision for loan losses	57,285	47,941	49,883
Non-interest income	13,597	11,225	12,318
Non-interest expenses	49,650	46,931	49,783
Income before income tax expense	21,232	12,235	12,418
Income tax benefit	3,329	6,283	3,693
Net income	17,903	5,952	8,725
Segment assets	1,747,208	1,700,196	1,650,100
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
Non-interest income	9,317	8,804	8,316
Non-interest expenses	5,997	5,664	5,676
Income before income tax expense	3,320	3,140	2,640
Income tax benefit	847	1,191	997
Net income	2,473	1,949	1,643
Segment assets	$ 3,606	$ 4,061	$ 4,586