GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets	$ 18,190	$ 25,068
Total goodwill and other intangible assets	1,003,262	1,010,140
Core Deposits [Member]
Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets	15,237	20,757
Other identifiable Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Other Intangible Assets	$ 2,953	$ 4,311