LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Recorded investment in company's loans (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 938,005	$ 892,795
Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	911,593	859,018
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans	7,230	8,117
Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	19,182	25,660
Cash, Securities and Other
Financing Receivable, Recorded Investment [Line Items]
Total loans	149,503	114,165
Cash, Securities and Other | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	144,396	102,913
Cash, Securities and Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	5,107	11,252
Construction and Development
Financing Receivable, Recorded Investment [Line Items]
Total loans	40,826	31,897
Construction and Development | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	40,826	31,897
1-4 Family Residential
Financing Receivable, Recorded Investment [Line Items]
Total loans	373,836	350,852
1-4 Family Residential | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	366,577	349,635
1-4 Family Residential | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans	6,046
1-4 Family Residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,213	1,217
Non-Owner Occupied CRE
Financing Receivable, Recorded Investment [Line Items]
Total loans	152,664	173,741
Non-Owner Occupied CRE | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	151,020	165,164
Non-Owner Occupied CRE | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans	1,184	8,117
Non-Owner Occupied CRE | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	460	460
Owner Occupied CRE
Financing Receivable, Recorded Investment [Line Items]
Total loans	112,660	108,480
Owner Occupied CRE | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	112,660	108,480
Commercial and Industrial
Financing Receivable, Recorded Investment [Line Items]
Total loans	108,516	113,660
Commercial and Industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans	96,114	100,929
Commercial and Industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 12,402	$ 12,731