GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Details 2) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 37,240	$ 29,901
Accumulated Amortization	(21,990)	(20,560)
Net Carrying Amount	15,250	9,341
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	34,137	26,736
Accumulated Amortization	(20,445)	(18,100)
Net Carrying Amount	13,692	8,636
Other intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,103	3,165
Accumulated Amortization	(1,545)	(2,460)
Net Carrying Amount	$ 1,558	$ 705