INTEREST RATE SWAPS - CASH FLOW HEDGES (Details) - Interest rate swap $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2013 DerivativeInstrument
Summary information about interest rate swaps
Notional amount	$ 63,106	$ 51,854
Cash flow hedge
Derivative [Line Items]
Number of derivative agreements | DerivativeInstrument			2
Summary information about interest rate swaps
Notional amount	20,000
Assets / (Liabilities)	(393)	(600)
Unrealized Gain (Loss) in AOCI	(256)	(390)
Cash flow hedge | 1-month LIBOR
Summary information about interest rate swaps
Notional amount	$ 10,000
Pay rate (as a percent)	2.17%
Assets / (Liabilities)	$ (186)	(289)
Unrealized Gain (Loss) in AOCI	(121)	(188)
Cash flow hedge | 3-month LIBOR
Summary information about interest rate swaps
Notional amount	$ 10,000
Pay rate (as a percent)	2.33%
Assets / (Liabilities)	$ (207)	(311)
Unrealized Gain (Loss) in AOCI	$ (135)	$ (202)