DERIVATIVES (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
DERIVATIVES
Unrealized gain (loss) on interest rate locks	$ (36)	$ 80	$ (15)	$ (127)
Mortgage banking income | Derivatives Not Designated as Hedging Instruments | Derivatives Not in Cash Flow Hedging Relationship | Interest rate lock and forward sale commitments
DERIVATIVES
Unrealized gain (loss) on interest rate locks	(36)	80	(15)	(127)
Other income | Derivatives Not Designated as Hedging Instruments | Derivatives Not in Cash Flow Hedging Relationship | Loans held-for-sale
DERIVATIVES
Unrealized gain (loss) on interest rate locks	$ 0	$ (3)	$ 0	$ (3)