LOANS AND ALLOWANCE FOR LOAN LOSSES - Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
Dec. 31, 2018 USD ($) borrower loan contract	Dec. 31, 2017 USD ($) borrower contract
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Specific reserve allocations for TDR's	$ 1,000	$ 439
Troubled debt restructuring loans	$ 8,000	$ 6,400
Number of Contracts \| contract	6	1
Pre-Modification Outstanding Recorded Investment	$ 2,130	$ 147
Post-Modification Outstanding Recorded Investment	2,066	$ 147
Acquisition & Development
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Loans defaulted under the restructured terms	$ 3,600
Number of restructured loans \| loan	3
Number of borrowers defaulted \| borrower	2
Commercial
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Number of Contracts \| contract	4	1
Pre-Modification Outstanding Recorded Investment	$ 2,081	$ 147
Post-Modification Outstanding Recorded Investment	$ 2,019	$ 147
Commercial \| Commercial Business
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Number of Contracts \| contract	2	1
Pre-Modification Outstanding Recorded Investment	$ 272	$ 147
Post-Modification Outstanding Recorded Investment	$ 210	$ 147
Commercial \| Commercial Real Estate
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Number of Contracts \| contract	1	0
Pre-Modification Outstanding Recorded Investment	$ 11	$ 0
Post-Modification Outstanding Recorded Investment	$ 11	$ 0
Commercial \| Acquisition & Development
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Number of Contracts \| contract	1	0
Pre-Modification Outstanding Recorded Investment	$ 1,798	$ 0
Post-Modification Outstanding Recorded Investment	$ 1,798	$ 0
Residential
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Number of Contracts \| contract	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0
Home Equity
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Number of Contracts \| contract	1	0
Pre-Modification Outstanding Recorded Investment	$ 39	$ 0
Post-Modification Outstanding Recorded Investment	$ 39	$ 0
Consumer
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Number of Contracts \| contract	1	0
Pre-Modification Outstanding Recorded Investment	$ 10	$ 0
Post-Modification Outstanding Recorded Investment	8	0
Troubled Debt Restructured Loans
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Loans defaulted under the restructured terms	$ 3,200
Number of Contracts \| contract	0
Accruing
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Troubled debt restructuring loans	$ 4,200	$ 5,900
Accruing \| Portfolio Risk \| Troubled Debt Restructured Loans
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Concentration risk, percentage	33.00%	38.00%
Commercial Borrower One \| Acquisition & Development
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Loans defaulted under the restructured terms	$ 426
Number of borrowers defaulted \| borrower	2	2
Commercial Borrower Two \| Acquisition & Development
Details related to loans identified as Troubled Debt Restructurings (TDRs):
Loans defaulted under the restructured terms	$ 3,200

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