GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Goodwill (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Goodwill
Goodwill, beginning balance	$ 19,630,000	$ 18,480,000	$ 18,480,000
Goodwill, ending balance	2,350,000	19,630,000	18,480,000
Intangibles
Gross, beginning balance	4,226,000	1,006,000	1,006,000
Accumulated depreciation, beginning balance	(753,000)	(456,000)	(360,000)
Net, beginning balance	3,473,000	550,000	646,000
Accumulated Amortization expense	(1,229,000)	(297,000)	(96,000)
Gross, ending balance	3,941,000	4,226,000	1,006,000
Accumulated depreciation, ending balance	(1,541,000)	(753,000)	(456,000)
Net, ending balance	2,400,000	3,473,000	550,000
Intangible Assets, Other Disclosures
Goodwill impairment	0	0
Impairment charges	0	0	$ 0
Branches Sold to Summit
Goodwill
Goodwill, written off	(1,598,000)
Intangibles
Intangible assets related to sale, gross	(845,000)
Accumulated Amortization expense	(441,000)
Intangible assets related to sale, net	(404,000)
Paladin
Goodwill
Goodwill, resulting from acquisition	1,200,000
Chartwell
Goodwill
Goodwill, resulting from acquisition		1,150,000
Intangibles
Intangibles resulting from Chartwell acquisition		$ 3,220,000
Intercoastal
Goodwill
Goodwill, written off	(16,882,000)
First State Bank
Intangibles
Intangibles resulting from Chartwell acquisition	$ 560,000
Core Deposit Intangibles
Intangible Assets, Other Disclosures
Useful life of core deposit intangible assets	10 years
Customer Relationships | Chartwell
Intangible Assets, Other Disclosures
Amortization period	5 years
Backlog | Chartwell
Intangible Assets, Other Disclosures
Amortization period	5 years 3 months 18 days
Trademark | Chartwell
Intangible Assets, Other Disclosures
Amortization period	15 years
Non-competition agreement | Chartwell
Intangible Assets, Other Disclosures
Amortization period	4 years