LOANS AND ALLOWANCE FOR LOAN LOSSES - Internal Risk Rating Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	$ 1,374,235	$ 1,304,582
Commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	1,063,828	941,033
Commercial | Commercial Business
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	540,882	443,531
Commercial | Commercial Real Estate
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	411,770	375,561
Commercial | Acquisition & Development
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	111,176	121,941
Residential
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	271,604	294,929
Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	35,106	59,015
Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	3,697	9,605
Pass
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	1,330,351	1,280,713
Pass | Commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	1,024,730	922,652
Pass | Commercial | Commercial Business
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	511,590	432,589
Pass | Commercial | Commercial Real Estate
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	406,712	371,309
Pass | Commercial | Acquisition & Development
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	106,428	118,754
Pass | Residential
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	267,367	290,602
Pass | Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	34,641	58,100
Pass | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	3,613	9,359
Special Mention
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	25,216	11,188
Special Mention | Commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	22,831	7,540
Special Mention | Commercial | Commercial Business
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	17,398	5,290
Special Mention | Commercial | Commercial Real Estate
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	3,564	2,071
Special Mention | Commercial | Acquisition & Development
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	1,869	179
Special Mention | Residential
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	1,946	2,608
Special Mention | Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	383	876
Special Mention | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	56	164
Substandard
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	18,554	12,370
Substandard | Commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	16,267	10,712
Substandard | Commercial | Commercial Business
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	11,894	5,652
Substandard | Commercial | Commercial Real Estate
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	1,494	2,181
Substandard | Commercial | Acquisition & Development
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	2,879	2,879
Substandard | Residential
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	2,177	1,600
Substandard | Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	82	39
Substandard | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	28	19
Doubtful
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	114	311
Doubtful | Commercial
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	0	129
Doubtful | Commercial | Commercial Business
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	0	0
Doubtful | Commercial | Commercial Real Estate
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	0	0
Doubtful | Commercial | Acquisition & Development
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	0	129
Doubtful | Residential
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	114	119
Doubtful | Home Equity
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	0	0
Doubtful | Consumer
Classes of the loan portfolio summarized by credit quality indicators:
Total Loans	$ 0	$ 63