Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND INTANGIBLE ASSETS (Narrative) (Details)

v3.23.3
GOODWILL AND INTANGIBLE ASSETS (Narrative) (Details)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 01, 2023
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
segment
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Finite-Lived Intangible Assets [Line Items]            
Number of operating segments | segment       2    
Goodwill   $ 925,211   $ 925,211   $ 925,211
Intangible Assets   21,277   21,277   26,761
Impairment of goodwill or intangible assets       0    
Impairment charges for goodwill       0   0
Intangible assets, amortization expense   2,193 $ 2,480 6,687 $ 8,434  
Goodwill            
Finite-Lived Intangible Assets [Line Items]            
Reallocation from Consumer Banking segment to Wholesale Banking segment $ 9,600          
Intangible assets            
Finite-Lived Intangible Assets [Line Items]            
Reallocation from Consumer Banking segment to Wholesale Banking segment $ 1,600          
Wholesale Banking            
Finite-Lived Intangible Assets [Line Items]            
Goodwill   639,180   639,180   639,180
Intangible Assets   1,366   1,366   1,558
Consumer Banking            
Finite-Lived Intangible Assets [Line Items]            
Goodwill   286,031   286,031   286,031
Intangible Assets   1,108   1,108   75
Corporate Other            
Finite-Lived Intangible Assets [Line Items]            
Goodwill   0   0   0
Intangible Assets   $ 18,803   $ 18,803   $ 25,128
Core Deposits | Minimum            
Finite-Lived Intangible Assets [Line Items]            
Intangible assets, amortization period (years)   4 years   4 years    
Core Deposits | Maximum            
Finite-Lived Intangible Assets [Line Items]            
Intangible assets, amortization period (years)   10 years   10 years    
Other amortizable intangibles | Minimum            
Finite-Lived Intangible Assets [Line Items]            
Intangible assets, amortization period (years)   4 years   4 years    
Other amortizable intangibles | Maximum            
Finite-Lived Intangible Assets [Line Items]            
Intangible assets, amortization period (years)   10 years   10 years