Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS (Schedule of Goodwill and Intangible Assets by Operating Segment) (Details)

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GOODWILL AND INTANGIBLE ASSETS (Schedule of Goodwill and Intangible Assets by Operating Segment) (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Apr. 01, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]      
Goodwill $ 1,207,484   $ 925,211
Intangible Assets 95,980   19,183
American National      
Finite-Lived Intangible Assets [Line Items]      
Goodwill 282,273 $ 282,273 0
Wholesale Banking      
Finite-Lived Intangible Assets [Line Items]      
Goodwill 845,239   639,180
Intangible Assets 9,349   1,302
Wholesale Banking | American National      
Finite-Lived Intangible Assets [Line Items]      
Goodwill 206,100 206,100  
Intangible Assets 8,400    
Consumer Banking      
Finite-Lived Intangible Assets [Line Items]      
Goodwill 362,245   286,031
Intangible Assets 883   989
Consumer Banking | American National      
Finite-Lived Intangible Assets [Line Items]      
Goodwill 76,200 $ 76,200  
Corporate Other      
Finite-Lived Intangible Assets [Line Items]      
Goodwill 0   0
Intangible Assets 85,748   $ 16,892
Corporate Other | American National      
Finite-Lived Intangible Assets [Line Items]      
Intangible Assets $ 76,300