LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Summary of loans (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 996,559	$ 892,795
Deferred costs, net	1,448	1,171
Allowance for loan losses	(7,875)	(7,451)
Net loans	990,132	886,515
Cash, Securities and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	146,701	114,165
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	28,120	31,897
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	400,134	350,852
Non-Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	165,179	173,741
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	127,968	108,480
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 128,457	$ 113,660