DERIVATIVES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($) loan
Derivative [Line Items]
Unrealized gain (loss) recognized in other non-interest income	$ (224)	$ (65)	$ (7)
Derivatives not designated as hedging instruments:
Derivative [Line Items]
Number of Instruments | loan	33	28	20
Notional Amount	$ 238,227	$ 172,932	$ 93,777
Fair Value Other Assets/ (Other Liabilities)	(365)	$ (140)	$ (75)
Derivatives not designated as hedging instruments: | Swap
Derivative [Line Items]
Notional Amount	$ 226,400
Derivatives not designated as hedging instruments: | Interest Rate Swap
Derivative [Line Items]
Number of Instruments | loan	15	11	7
Notional Amount	$ 113,204	$ 76,395	$ 36,675
Weighted Average Maturity (in years)	7 years 10 months 13 days	7 years 1 month 6 days	8 years 3 months 4 days
Fair Value Other Assets/ (Other Liabilities)	$ (6,800)	$ (3,255)	$ (974)
Unrealized gain (loss) recognized in other non-interest income	$ (3,544)	$ (2,281)	$ (281)
Derivatives not designated as hedging instruments: | Interest Rate Swap | Weighted Average Interest Rate Received
Derivative [Line Items]
Average interest rate	4.44%	4.69%	4.40%
Derivatives not designated as hedging instruments: | Interest Rate Swap | Weighted Average Contract Pay Rate
Derivative [Line Items]
Average interest rate	4.03%	4.61%	4.17%
Derivatives not designated as hedging instruments: | Reverse Interest Rate Swap
Derivative [Line Items]
Number of Instruments | loan	15	11	7
Notional Amount	$ 113,204	$ 76,395	$ 36,675
Weighted Average Maturity (in years)	7 years 10 months 13 days	7 years 1 month 6 days	8 years 3 months 4 days
Fair Value Other Assets/ (Other Liabilities)	$ 6,466	$ 3,142	$ 974
Unrealized gain (loss) recognized in other non-interest income	$ 3,324	$ 2,168	$ 281
Derivatives not designated as hedging instruments: | Reverse Interest Rate Swap | Weighted Average Interest Rate Received
Derivative [Line Items]
Average interest rate	4.03%	4.61%	4.17%
Derivatives not designated as hedging instruments: | Reverse Interest Rate Swap | Weighted Average Contract Pay Rate
Derivative [Line Items]
Average interest rate	4.44%	4.69%	4.40%
Derivatives not designated as hedging instruments: | Risk participation agreements
Derivative [Line Items]
Number of Instruments | loan	3	6	6
Notional Amount	$ 11,819	$ 20,142	$ 20,427
Weighted Average Maturity (in years)	5 years 7 months 10 days	14 years 11 months 23 days	17 years 8 months 23 days
Fair Value Other Assets/ (Other Liabilities)	$ (31)	$ (27)	$ (75)
Off-balance sheet risk	400	300
Unrealized gain (loss) recognized in other non-interest income	$ (4)	$ 48	$ (7)