LOANS AND THE ALLOWANCE FOR LOAN LOSSES -Loan Modifications (Details)	9 Months Ended
	Sep. 30, 2020 USD ($) loan	Dec. 31, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Balance of Modified Loans	$ 66,738,000
Total gross loans	$ 1,507,484,000	$ 996,559,000
# of Loans Modified | loan	44
% of Total Loan Balance Modified	4.43%
Percentage of probability	50.00%
Percentage of reduction in collateral position	20.00%
Portion of loan portfolio exposed to high risk industries impacted by Covid-19	$ 3.0
COVID-19 [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquent over period	30 days
Payments Period	2 years
Loans modified for temporary payment	180 days
Cash, Securities and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Balance of Modified Loans	$ 1,496,000
Total gross loans	$ 371,481,000	146,701,000
# of Loans Modified | loan	1
% of Total Loan Balance Modified	0.40%
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 105,717,000	28,120,000
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Balance of Modified Loans	4,441,000
Total gross loans	$ 446,959,000	400,134,000
# of Loans Modified | loan	6
% of Total Loan Balance Modified	0.99%
Non-Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Balance of Modified Loans	$ 38,229,000
Total gross loans	$ 243,564,000	165,179,000
# of Loans Modified | loan	22
% of Total Loan Balance Modified	15.70%
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Balance of Modified Loans	$ 17,524,000
Total gross loans	$ 154,138,000	127,968,000
# of Loans Modified | loan	10
% of Total Loan Balance Modified	11.37%
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Balance of Modified Loans	$ 5,048,000
Total gross loans	$ 185,625,000	$ 128,457,000
# of Loans Modified | loan	5
% of Total Loan Balance Modified	2.72%