LOANS AND ALLOWANCE FOR LOAN LOSSES - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	$ 1,544,233	$ 1,420,749	$ 1,309,139
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	1,521,276	1,403,803
OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	6,747	5,195
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	16,210	11,751
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	112,067	36,777	36,014
Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	110,520	36,491
Commercial and Industrial | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	1,223	0
Commercial and Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	324	286
Commercial and Industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	253,537	231,095	199,892
Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	241,373	219,289
Construction | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	4,833	4,275
Construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	7,331	7,531
Construction | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Real Estate Mortgage | Commercial – Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	139,542	136,753	135,494
Real Estate Mortgage | Commercial – Owner Occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	133,912	134,051
Real Estate Mortgage | Commercial – Owner Occupied | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Real Estate Mortgage | Commercial – Owner Occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	5,630	2,702
Real Estate Mortgage | Commercial – Owner Occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Real Estate Mortgage | Commercial – Non-owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	302,528	298,204	288,727
Real Estate Mortgage | Commercial – Non-owner Occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	302,334	298,006
Real Estate Mortgage | Commercial – Non-owner Occupied | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Real Estate Mortgage | Commercial – Non-owner Occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	194	198
Real Estate Mortgage | Commercial – Non-owner Occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Real Estate Mortgage | Residential – 1 to 4 Family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	640,369	636,891	575,975
Real Estate Mortgage | Residential – 1 to 4 Family | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	636,947	634,937
Real Estate Mortgage | Residential – 1 to 4 Family | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	691	920
Real Estate Mortgage | Residential – 1 to 4 Family | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	2,731	1,034
Real Estate Mortgage | Residential – 1 to 4 Family | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Real Estate Mortgage | Residential – Multifamily
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	84,677	68,258	59,611
Real Estate Mortgage | Residential – Multifamily | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	84,677	68,258
Real Estate Mortgage | Residential – Multifamily | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Real Estate Mortgage | Residential – Multifamily | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Real Estate Mortgage | Residential – Multifamily | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	11,513	12,771	$ 13,426
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	11,513	12,771
Consumer | OAEM
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	0	0
Consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	$ 0	$ 0