SEGMENT REPORTING (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) segment	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of primary business segments | segment	2
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	$ 15,669	$ 14,314
Interest expense	769	820
Net interest income	14,900	13,494
Provision for loan losses	709	1,040
Net interest income after provision for loan losses	14,191	12,454
Other non-interest income	5,475	4,847
Other non-interest expenses	14,166	13,045
Income before income tax expense	5,500	4,256
Income tax expense (benefit)	1,061	1,277
Net income	4,439	2,979
Segment assets	1,699,954	1,736,100	$ 1,707,620
Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Other non-interest income	3,183	2,605
Holding Company, CFS, and CRM
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	7	3
Interest expense	0	0
Net interest income	7	3
Provision for loan losses	0	0
Net interest income after provision for loan losses	7	3
Other non-interest income	(24)	133
Other non-interest expenses	273	296
Income before income tax expense	(290)	(160)
Income tax expense (benefit)	(46)	(76)
Net income	(244)	(84)
Segment assets	7,830	2,773
Operating Segments | Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	15,662	14,311
Interest expense	769	820
Net interest income	14,893	13,491
Provision for loan losses	709	1,040
Net interest income after provision for loan losses	14,184	12,451
Other non-interest income	3,183	2,605
Other non-interest expenses	12,415	11,444
Income before income tax expense	4,952	3,612
Income tax expense (benefit)	894	1,048
Net income	4,058	2,564
Segment assets	1,688,034	1,729,057
Operating Segments | WMG
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	0	0
Interest expense	0	0
Net interest income	0	0
Provision for loan losses	0	0
Net interest income after provision for loan losses	0	0
Other non-interest income	2,316	2,109
Other non-interest expenses	1,478	1,305
Income before income tax expense	838	804
Income tax expense (benefit)	213	305
Net income	625	499
Segment assets	$ 4,090	$ 4,270