LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Summary of loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 929,865	$ 892,795
Deferred costs, net	1,325	1,171
Allowance for loan losses	(7,645)	(7,451)
Net loans	923,545	886,515
Cash, Securities and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	130,641	114,165
Construction and Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	37,128	31,897
1-4 Family Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	360,607	350,852
Non-Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	172,014	173,741
Owner Occupied CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	108,873	108,480
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 120,602	$ 113,660