LOANS AND THE ALLOWANCE FOR LOAN LOSSES -Loan Modifications (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) loan	Dec. 31, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 1,534,185,000	$ 996,559,000
Number of loans modified | loan	2
Loan deferral amount	$ 2,100,000
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
Delinquent over period	30 days
Payments Period	2 years
Total gross loans	$ 1,534,185,000
# of Loans Modified | loan	89
Outstanding Balance of Modified Loans	$ 160,800,000
% of Total Loan Balance Modified	0.13%
Number of loans modified | loan	2
Loan deferral amount	$ 2,062,000
Cash, Securities and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	357,020,000	146,701,000
Cash, Securities and Other | COVID-19
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	357,020,000
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	131,111,000	28,120,000
Construction and Development | COVID-19
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	131,111,000
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	455,038,000	400,134,000
1-4 Family Residential | COVID-19
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 455,038,000
% of Total Loan Balance Modified	0.02%
Number of loans modified | loan	1
Loan deferral amount	$ 346,000
Non-Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	281,943,000	165,179,000
Non-Owner Occupied CRE | COVID-19
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	281,943,000
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	163,042,000	127,968,000
Owner Occupied CRE | COVID-19
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 163,042,000
% of Total Loan Balance Modified	0.11%
Number of loans modified | loan	1
Loan deferral amount	$ 1,716,000
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	146,031,000	$ 128,457,000
Commercial and Industrial | COVID-19
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 146,031,000