v3.26.1
BUSINESS SEGMENTS (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2026
USD ($)
segment
$ / shares
Mar. 31, 2025
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
Segment Reporting Information [Line Items]      
Number of reportable segments | segment 1    
Interest income $ 336,312 $ 314,909  
Total interest expense 144,961 147,463  
Net interest income 191,351 167,446  
Provision for credit losses 23,372 28,297  
Net interest income after provision for credit losses 167,979 139,149  
Total non-interest income (loss) 34,316 (24,490)  
Non-interest income:      
Salaries and employee benefits 51,294 42,674  
Technology, communication and bank operations 11,643 11,312  
Commercial lease depreciation 12,692 8,463  
Professional services 11,695 11,857  
Loan servicing 3,859 4,630  
Occupancy 3,956 3,412  
FDIC assessments, non-income taxes and regulatory fees 8,215 11,750  
Advertising and promotion 554 528  
Other 8,080 8,145  
Total non-interest expense 111,988 102,771  
Income before income tax expense (benefit) 90,307 11,888  
Income tax expense (benefit) 20,654 (1,024)  
Net income 69,653 12,912  
Preferred stock dividends 0 3,389  
Net income available to common shareholders, basic 69,653 9,523  
Net income available to common shareholders, diluted $ 69,653 $ 9,523  
Basic earnings per common share (in usd per share) | $ / shares $ 2.04 $ 0.30  
Diluted earnings per common share (in usd per share) | $ / shares $ 1.97 $ 0.29  
Depreciation, occupancy and amortization of leasehold improvement $ 1,000 $ 700  
Total assets 25,880,767   $ 24,895,868
Operating Segments      
Non-interest income:      
Total assets 25,880,767   24,895,868
Segment Reconciling Items      
Non-interest income:      
Net income available to common shareholders, basic 0 0  
Net income available to common shareholders, diluted 0 $ 0  
Total assets $ 0   $ 0