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

INTANGIBLE ASSETS (Narrative) (Details)

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INTANGIBLE ASSETS (Narrative) (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 01, 2023
USD ($)
Dec. 31, 2024
USD ($)
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
segment
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Apr. 01, 2024
USD ($)
Finite-Lived Intangible Assets [Line Items]              
Number of operating segments | segment       2      
Goodwill   $ 1,214,053   $ 1,214,053 $ 925,211    
Increase in goodwill   1,300 $ 5,200        
Intangible Assets   $ 84,563   84,563 19,183    
Impairment of goodwill or intangible assets       0      
Impairment charges for goodwill       0      
Intangible assets, amortization expense       $ 19,307 8,781 $ 10,815  
Goodwill              
Finite-Lived Intangible Assets [Line Items]              
Reallocation of goodwill from Consumer Banking to Wholesale Banking $ 9,600            
Intangible assets              
Finite-Lived Intangible Assets [Line Items]              
Reallocation of goodwill from Consumer Banking to Wholesale Banking $ 1,600            
Minimum [Member]              
Finite-Lived Intangible Assets [Line Items]              
Intangible assets, amortization period (years)   4 years   4 years      
Maximum [Member]              
Finite-Lived Intangible Assets [Line Items]              
Intangible assets, amortization period (years)   15 years   15 years      
American National              
Finite-Lived Intangible Assets [Line Items]              
Goodwill   $ 288,842   $ 288,842 $ 0   $ 288,842
Increase in goodwill       6,500      
American National | Wholesale Banking              
Finite-Lived Intangible Assets [Line Items]              
Goodwill   210,800   210,800      
American National | Consumer Banking              
Finite-Lived Intangible Assets [Line Items]              
Goodwill   $ 78,000   $ 78,000