v3.26.1
GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Identifiable Intangible Assets    
Gross Carrying Amount $ 166,003 $ 149,046
Accumulated Amortization (102,959) (94,305)
Net Carrying Amount 63,044 54,741
Estimated aggregate amortization expense for each of five succeeding fiscal years    
Apr - Dec 2026 9,299  
2027 11,259  
2028 9,224  
2029 7,804  
2030 6,466  
Thereafter 18,992  
Net Carrying Amount 63,044 54,741
Components of goodwill    
Goodwill, beginning of period 887,975  
Goodwill, Additions/Adjustments 12,675  
Goodwill, end of period 900,650  
Core deposit intangibles    
Identifiable Intangible Assets    
Gross Carrying Amount 29,471 26,371
Accumulated Amortization (13,739) (11,617)
Net Carrying Amount 15,732 14,754
Estimated aggregate amortization expense for each of five succeeding fiscal years    
Net Carrying Amount 15,732 14,754
Other intangibles    
Identifiable Intangible Assets    
Gross Carrying Amount 136,532 122,675
Accumulated Amortization (89,220) (82,688)
Net Carrying Amount 47,312 39,987
Estimated aggregate amortization expense for each of five succeeding fiscal years    
Net Carrying Amount $ 47,312 $ 39,987