Annual report [Section 13 and 15(d), not S-K Item 405]

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

v3.25.0.1
INTANGIBLE ASSETS (Schedule of Goodwill and Intangible Assets by Operating Segment) (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Jun. 30, 2024
Apr. 01, 2024
Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]        
Goodwill $ 1,214,053     $ 925,211
Intangible Assets 84,563     19,183
American National        
Finite-Lived Intangible Assets [Line Items]        
Goodwill 288,842   $ 288,842 0
Wholesale Banking | American National        
Finite-Lived Intangible Assets [Line Items]        
Goodwill 210,800      
Consumer Banking | American National        
Finite-Lived Intangible Assets [Line Items]        
Goodwill 78,000      
Operating segments | American National        
Finite-Lived Intangible Assets [Line Items]        
Intangible Assets   $ 76,300    
Operating segments | Wholesale Banking        
Finite-Lived Intangible Assets [Line Items]        
Goodwill 850,035     639,180
Intangible Assets 8,714     1,302
Operating segments | Wholesale Banking | American National        
Finite-Lived Intangible Assets [Line Items]        
Goodwill   210,800    
Intangible Assets   8,400    
Operating segments | Consumer Banking        
Finite-Lived Intangible Assets [Line Items]        
Goodwill 364,018     286,031
Intangible Assets 778     989
Operating segments | Consumer Banking | American National        
Finite-Lived Intangible Assets [Line Items]        
Goodwill   $ 78,000    
Corporate Other        
Finite-Lived Intangible Assets [Line Items]        
Goodwill 0     0
Intangible Assets $ 75,071     $ 16,892