LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Recorded investment in company's loans (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 996,559	$ 892,795
Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	973,472	859,018
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,158	8,117
Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	21,929	25,660
Cash, Securities and Other
Financing Receivable, Recorded Investment [Line Items]
Total loans	146,701	114,165
Cash, Securities and Other | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	143,898	102,913
Cash, Securities and Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	2,803	11,252
Construction and Development
Financing Receivable, Recorded Investment [Line Items]
Total loans	28,120	31,897
Construction and Development | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	28,120	31,897
1-4 Family Residential
Financing Receivable, Recorded Investment [Line Items]
Total loans	400,134	350,852
1-4 Family Residential | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	395,224	349,635
1-4 Family Residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	4,910	1,217
Non-Owner Occupied CRE
Financing Receivable, Recorded Investment [Line Items]
Total loans	165,179	173,741
Non-Owner Occupied CRE | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	164,021	165,164
Non-Owner Occupied CRE | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,158	8,117
Non-Owner Occupied CRE | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans		460
Owner Occupied CRE
Financing Receivable, Recorded Investment [Line Items]
Total loans	127,968	108,480
Owner Occupied CRE | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	127,968	108,480
Commercial and Industrial
Financing Receivable, Recorded Investment [Line Items]
Total loans	128,457	113,660
Commercial and Industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	114,241	100,929
Commercial and Industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 14,216	$ 12,731