DERIVATIVES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) loan	Dec. 31, 2016 USD ($) loan	Dec. 31, 2015 USD ($) loan
Derivative [Line Items]
Unrealized gain (loss) recognized in other non-interest income	$ (7)	$ (20)	$ (30)
Derivatives not designated as hedging instruments:
Derivative [Line Items]
Number of Instruments | loan	20	15	6
Notional Amount	$ 93,777	$ 52,157	$ 14,396
Fair Value Other Assets/ (Other Liabilities)	(75)	$ (68)	$ (48)
Derivatives not designated as hedging instruments: | Swap
Derivative [Line Items]
Notional Amount	$ 73,400
Derivatives not designated as hedging instruments: | Interest Rate Swap
Derivative [Line Items]
Number of Instruments | loan	7	5	1
Notional Amount	$ 36,675	$ 18,378	$ 1,934
Weighted Average Maturity (in years)	8 years 3 months 4 days	7 years 10 months 10 days	5 years 10 months 24 days
Fair Value Other Assets/ (Other Liabilities)	$ (974)	$ (693)	$ 15
Unrealized gain (loss) recognized in other non-interest income	$ (281)	$ (708)	$ 15
Derivatives not designated as hedging instruments: | Interest Rate Swap | Weighted Average Interest Rate Received
Derivative [Line Items]
Average interest rate	4.40%	4.05%	4.33%
Derivatives not designated as hedging instruments: | Interest Rate Swap | Weighted Average Contract Pay Rate
Derivative [Line Items]
Average interest rate	4.17%	3.36%	3.02%
Derivatives not designated as hedging instruments: | Reverse Interest Rate Swap
Derivative [Line Items]
Number of Instruments | loan	7	5	1
Notional Amount	$ 36,675	$ 18,378	$ 1,934
Weighted Average Maturity (in years)	8 years 3 months 4 days	7 years 10 months 10 days	5 years 10 months 24 days
Fair Value Other Assets/ (Other Liabilities)	$ 974	$ 693	$ (16)
Unrealized gain (loss) recognized in other non-interest income	$ 281	$ 709	$ (16)
Derivatives not designated as hedging instruments: | Reverse Interest Rate Swap | Weighted Average Interest Rate Received
Derivative [Line Items]
Average interest rate	4.17%	3.36%	3.02%
Derivatives not designated as hedging instruments: | Reverse Interest Rate Swap | Weighted Average Contract Pay Rate
Derivative [Line Items]
Average interest rate	4.40%	4.05%	4.33%
Derivatives not designated as hedging instruments: | Risk participation agreements
Derivative [Line Items]
Number of Instruments | loan	6	5	4
Notional Amount	$ 20,427	$ 15,401	$ 10,528
Weighted Average Maturity (in years)	17 years 8 months 23 days	23 years 6 months	26 years 2 months 12 days
Fair Value Other Assets/ (Other Liabilities)	$ (75)	$ (68)	$ (47)
Off-balance sheet risk	1,300	1,300
Unrealized gain (loss) recognized in other non-interest income	$ (7)	$ (21)	$ (29)