LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Summary of loans (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 892,795	$ 812,697
Deferred costs, net	1,171	992
Allowance for loan losses	(7,451)	(7,287)
Net loans	886,515	806,402
Cash, Securities and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	114,165	131,756
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	31,897	24,914
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	350,852	282,014
Non-Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	173,741	176,987
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	108,480	92,742
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 113,660	$ 104,284