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

SEGMENT REPORTING AND REVENUE (Operating Segment Results) (Details)

v3.25.0.1
SEGMENT REPORTING AND REVENUE (Operating Segment Results) (Details)
$ in Thousands
 12 Months Ended
Jan. 01, 2023
USD ($)
Dec. 31, 2024
USD ($)
segment
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Jun. 30, 2024
USD ($)
Apr. 01, 2024
USD ($)
Disaggregation of Revenue [Line Items]            
Reallocation of noninterest income from Consumer Banking to Wholesale Banking       $ 12,500    
Reallocation of noninterest expense from Consumer Banking to Wholesale Banking       16,000    
Number of operating segments | segment   2        
Interest income   $ 1,227,535 $ 954,450 660,435    
Interest expense   528,996 343,437 76,174    
Net interest income   698,539 611,013 584,261    
Provision for credit losses   50,089 31,618 19,028    
Net interest income after provision for credit losses   648,450 579,395 565,233    
Noninterest income   118,878 90,877 118,523    
Noninterest expenses   507,534 430,371 403,802    
Income (loss) before income taxes   259,794 239,901 279,954    
LHFI, net of deferred fees and costs   18,470,621 15,635,043      
Goodwill   1,214,053 925,211      
Deposits   20,397,619 16,818,129      
Gain on sale of DHFB   0 0 9,082    
Goodwill            
Disaggregation of Revenue [Line Items]            
Reallocation of goodwill from Consumer Banking to Wholesale Banking $ 9,600          
American National            
Disaggregation of Revenue [Line Items]            
Goodwill   288,842 0     $ 288,842
Wholesale Banking | American National            
Disaggregation of Revenue [Line Items]            
Goodwill   210,800        
Consumer Banking | American National            
Disaggregation of Revenue [Line Items]            
Goodwill   78,000        
Operating segments | Wholesale Banking            
Disaggregation of Revenue [Line Items]            
Interest income   1,222,101 934,242 540,076    
Interest expense   844,408 663,257 238,273    
Net interest income   377,693 270,985 301,803    
Provision for credit losses   40,072 34,229 11,758    
Net interest income after provision for credit losses   337,621 236,756 290,045    
Noninterest income   44,811 36,791 36,557    
Noninterest expenses   194,704 164,283 158,159    
Income (loss) before income taxes   187,728 109,264 168,443    
LHFI, net of deferred fees and costs   15,514,640 12,688,833      
Goodwill   850,035 639,180      
Deposits   7,193,403 6,403,432      
Operating segments | Wholesale Banking | American National            
Disaggregation of Revenue [Line Items]            
Goodwill         $ 210,800  
Operating segments | Consumer Banking            
Disaggregation of Revenue [Line Items]            
Interest income   619,855 452,388 300,722    
Interest expense   318,839 198,542 77,935    
Net interest income   301,016 253,846 222,787    
Provision for credit losses   10,029 (2,616) 7,231    
Net interest income after provision for credit losses   290,987 256,462 215,556    
Noninterest income   59,344 51,347 56,899    
Noninterest expenses   250,178 228,374 219,813    
Income (loss) before income taxes   100,153 79,435 52,642    
LHFI, net of deferred fees and costs   3,085,207 2,958,811      
Goodwill   364,018 286,031      
Deposits   11,899,197 9,816,562      
Operating segments | Consumer Banking | American National            
Disaggregation of Revenue [Line Items]            
Goodwill         $ 78,000  
Corporate Other            
Disaggregation of Revenue [Line Items]            
Interest income   (614,421) (432,180) (180,363)    
Interest expense   (634,251) (518,362) (240,034)    
Net interest income   19,830 86,182 59,671    
Provision for credit losses   (12) 5 39    
Net interest income after provision for credit losses   19,842 86,177 59,632    
Noninterest income   14,723 2,739 25,067    
Noninterest expenses   62,652 37,714 25,830    
Income (loss) before income taxes   (28,087) 51,202 58,869    
LHFI, net of deferred fees and costs   (129,226) (12,601)      
Goodwill   0 0      
Deposits   $ 1,305,019 598,135      
Gain on sale of DHFB       9,100    
Corporate Other | Strategic cost saving initiatives            
Disaggregation of Revenue [Line Items]            
Noninterest expenses     12,600 $ 5,500    
Corporate Other | Strategic cost saving initiatives | Other expenses            
Disaggregation of Revenue [Line Items]            
Noninterest expenses     9,800      
Corporate Other | Strategic cost saving initiatives | Salaries and benefits            
Disaggregation of Revenue [Line Items]            
Noninterest expenses     $ 2,800