DERIVATIVES (Detail Textuals) - Interest rate swaps - Derivative designated as a cash flow hedge - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Derivative [Line Items]
Notional amounts	$ 290,000,000		$ 290,000,000		$ 175,000,000
Derivative liability position net	500,000		500,000
Derivative asset position net	800,000		800,000
Collateral posted against obligations in net liability position	800,000		800,000
Collateral from counterparty for net assets position	600,000		600,000
Federal Home Loan Bank
Derivative [Line Items]
Interest expense on derivative	$ 369,000	$ 236,000	1,100,000	$ 725,000
Reclassifications to interest expense			1,100,000
Reclassified estimated increase in interest expense			$ 700,000