Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS (Narrative) (Details)

v3.24.3
ACQUISITIONS (Narrative) (Details)
$ in Thousands, shares in Millions
3 Months Ended 9 Months Ended
Apr. 01, 2024
USD ($)
item
shares
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Business Acquisition [Line Items]              
Purchase price consideration     $ 505,746        
Goodwill   $ 1,212,710     $ 1,212,710   $ 925,211
Merger-related costs   1,353   $ 1,993 33,005 $ 1,993  
Wholesale Banking              
Business Acquisition [Line Items]              
Goodwill   845,239     845,239   639,180
Consumer Banking              
Business Acquisition [Line Items]              
Goodwill   362,245     362,245   286,031
American National              
Business Acquisition [Line Items]              
Conversion ratio 1.35%            
Additional shares issued | shares 14.3            
Purchase price consideration $ 505,473            
Number of branches acquired | item 26            
Goodwill $ 287,499 287,499     287,499   $ 0
Increase in goodwill   5,200          
Accretion expense   0   $ 4,900 5,000 14,800  
Merger-related costs   1,100     26,900 $ 2,000  
American National | Wholesale Banking              
Business Acquisition [Line Items]              
Goodwill 209,900 209,900     209,900    
American National | Consumer Banking              
Business Acquisition [Line Items]              
Goodwill $ 77,600 $ 77,600     $ 77,600