v3.26.1
BUSINESS SEGMENTS (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2026
USD ($)
segment
$ / shares
Jun. 30, 2025
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
Segment Reporting [Line Items]          
Number of reportable segments | segment     1    
Interest income $ 344,657 $ 328,001 $ 680,969 $ 642,910  
Total interest expense 151,291 151,298 296,252 298,761  
Net interest income 193,366 176,703 384,717 344,149  
Provision for credit losses 23,067 20,781 46,439 49,078  
Net interest income after provision for credit losses 170,299 155,922 338,278 295,071  
Total non-interest income 34,043 29,606 68,359 5,116  
Non-interest income:          
Salaries and employee benefits 56,037 45,848 107,331 88,522  
Technology, communication and bank operations 12,891 10,382 24,534 21,694  
Commercial lease depreciation 12,761 8,743 25,453 17,206  
Professional services 10,024 13,850 21,719 25,707  
Loan servicing 3,710 4,053 7,569 8,683  
Occupancy 3,495 3,551 7,451 6,963  
FDIC assessments, non-income taxes and regulatory fees 4,585 11,906 12,800 23,656  
Advertising and promotion 481 461 1,035 989  
Other 10,907 7,832 18,987 15,977  
Total non-interest expense 114,891 106,626 226,879 209,397  
Income before income tax expense 89,451 78,902 179,758 90,790  
Income tax expense 17,891 17,963 38,545 16,939  
Net income 71,560 60,939 141,213 73,851  
Preferred stock dividends 0 3,185 0 6,574  
Loss on redemption of preferred stock 0 1,908 0 1,908  
Net income available to common shareholders, basic $ 71,560 $ 55,846 $ 141,213 $ 65,369  
Basic earnings per common share (in usd per share) | $ / shares $ 2.12 $ 1.77 $ 4.16 $ 2.07  
Diluted earnings per common share (in usd per share) | $ / shares $ 2.05 $ 1.73 $ 4.02 $ 2.02  
Total assets $ 26,520,789   $ 26,520,789   $ 24,895,868
Reportable Segment          
Non-interest income:          
Net income available to common shareholders, basic 71,560 $ 55,846 141,213 $ 65,369  
Depreciation, occupancy and amortization of leasehold improvement 1,000 800 2,100 1,500  
Total assets 26,520,789   26,520,789   24,895,868
Operating Segments | Reportable Segment          
Segment Reporting [Line Items]          
Interest income 344,657 328,001 680,969 642,910  
Total interest expense 151,291 151,298 296,252 298,761  
Net interest income 193,366 176,703 384,717 344,149  
Provision for credit losses 23,067 20,781 46,439 49,078  
Net interest income after provision for credit losses 170,299 155,922 338,278 295,071  
Total non-interest income 34,043 29,606 68,359 5,116  
Non-interest income:          
Salaries and employee benefits 56,037 45,848 107,331 88,522  
Technology, communication and bank operations 12,891 10,382 24,534 21,694  
Commercial lease depreciation 12,761 8,743 25,453 17,206  
Professional services 10,024 13,850 21,719 25,707  
Loan servicing 3,710 4,053 7,569 8,683  
Occupancy 3,495 3,551 7,451 6,963  
FDIC assessments, non-income taxes and regulatory fees 4,585 11,906 12,800 23,656  
Advertising and promotion 481 461 1,035 989  
Other 10,907 7,832 18,987 15,977  
Total non-interest expense 114,891 106,626 226,879 209,397  
Income before income tax expense 89,451 78,902 179,758 90,790  
Income tax expense 17,891 17,963 38,545 16,939  
Net income 71,560 60,939 141,213 73,851  
Preferred stock dividends 0 3,185 0 6,574  
Loss on redemption of preferred stock 0 1,908 0 1,908  
Net income available to common shareholders, basic $ 71,560 $ 55,846 $ 141,213 $ 65,369  
Basic earnings per common share (in usd per share) | $ / shares $ 2.12 $ 1.77 $ 4.16 $ 2.07  
Diluted earnings per common share (in usd per share) | $ / shares $ 2.05 $ 1.73 $ 4.02 $ 2.02  
Total assets $ 26,520,789   $ 26,520,789   24,895,868
Segment Reconciling Items | Reportable Segment          
Non-interest income:          
Net income available to common shareholders, basic 0 $ 0 0 $ 0  
Total assets $ 0   $ 0   $ 0