GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Details 2) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 41,054	$ 48,583
Accumulated Amortization	(17,947)	(19,297)
Net Carrying Amount	23,107	29,286
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	38,620	45,245
Accumulated Amortization	(16,405)	(17,229)
Net Carrying Amount	22,215	28,016
Other intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,434	3,338
Accumulated Amortization	(1,542)	(2,068)
Net Carrying Amount	$ 892	$ 1,270