SEGMENT REPORTING (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)	Dec. 31, 2018 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	$ 66,907	$ 66,932	$ 64,553
Interest expense	3,988	6,321	4,073
Net interest income	62,919	60,611	60,480
Provision for loan losses	4,239	5,945	3,153
Net interest income after provision for loan losses	58,680	54,666	57,327
Total non-interest income	21,124	20,073	23,074
Non-interest expenses	55,935	55,696	56,766
Income before income tax expense	23,869	19,043	23,635
Income tax benefit	4,607	3,434	4,009
Net income	19,262	15,609	19,626
Segment assets	2,279,451	1,787,827	1,755,343
Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Total non-interest income	10,982	10,356	13,596
Operating Segments | Core Banking
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	66,849	66,868	64,511
Interest expense	3,988	6,321	4,073
Net interest income	62,861	60,547	60,438
Provision for loan losses	4,239	5,945	3,153
Net interest income after provision for loan losses	58,622	54,602	57,285
Total non-interest income	10,982	10,356	13,597
Non-interest expenses	48,479	48,213	49,650
Income before income tax expense	21,125	16,745	21,232
Income tax benefit	3,952	2,778	3,329
Net income	17,173	13,967	17,903
Segment assets	2,271,923	1,780,401	1,747,208
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
Total non-interest income	9,492	9,503	9,317
Non-interest expenses	6,283	6,326	5,997
Income before income tax expense	3,209	3,177	3,320
Income tax benefit	824	810	847
Net income	2,385	2,367	2,473
Segment assets	3,231	3,345	3,606
Intersegment Eliminations
Reportable segments and reconciliation to consolidated results [Abstract]
Interest and dividend income	58	64	42
Interest expense	0	0	0
Net interest income	58	64	42
Provision for loan losses	0	0	0
Net interest income after provision for loan losses	58	64	42
Total non-interest income	650	214	160
Non-interest expenses	1,173	1,157	1,119
Income before income tax expense	(465)	(879)	(917)
Income tax benefit	(169)	(154)	(167)
Net income	(296)	(725)	(750)
Segment assets	$ 4,297	$ 4,082	$ 4,529