DERIVATIVES (Detail Textuals) - Interest rate swaps - Derivative designated as a cash flow hedge - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Derivative [Line Items]
Notional amounts	$ 290,000		$ 290,000
Derivative asset position net	6,500
Collateral received against obligations in net asset position	6,600
Federal Home Loan Bank
Derivative [Line Items]
Interest expense on derivative	65	$ 275
Reclassifications to interest expense	65
Reclassified estimated decrease in interest expense	$ 1,500