v3.25.2
Segment Reporting - Financial Information for Operating Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Financial information for the Company's operating segments              
Total interest income $ 343,898   $ 220,211   $ 564,228 $ 433,390  
Total interest expense 125,039   95,185   211,172 185,074  
Net interest income 218,859   125,026   353,056 248,316  
Provision for credit losses 81,322   3,300   86,072 5,738  
Noninterest income (loss) 48,334   38,762   84,729 80,143  
Salaries and employee benefits 99,542   70,731   171,499 142,201  
Net occupancy and equipment 17,359   11,844   29,113 23,233  
Other segment expenses 66,303   29,401   96,468 59,454  
Income (loss) before income taxes 2,667   48,512   54,633 97,833  
Income tax expense (benefit) 1,649   9,666   12,097 19,578  
Net income (loss) 1,018 $ 41,518 38,846 $ 39,409 42,536 78,255  
Total assets 26,624,975   17,510,391   26,624,975 17,510,391 $ 18,034,868
Goodwill 1,419,782   991,665   1,419,782 991,665 988,898
Community Banks              
Financial information for the Company's operating segments              
Goodwill 1,419,782       1,419,782   $ 988,898
Operating segments | Community Banks              
Financial information for the Company's operating segments              
Total interest income 343,875   219,708   564,182 432,363  
Total interest expense 116,242   88,284   195,876 171,253  
Net interest income 227,633   131,424   368,306 261,110  
Provision for credit losses 81,322   3,300   86,072 5,738  
Noninterest income (loss) 41,424   29,729   70,785 61,220  
Salaries and employee benefits 95,985   65,723   164,139 132,124  
Net occupancy and equipment 17,112   11,513   28,662 22,617  
Other segment expenses 65,276   27,381   93,962 55,043  
Income (loss) before income taxes 9,362   53,236   66,256 106,808  
Income tax expense (benefit) 3,917   11,276   16,120 22,640  
Net income (loss) 5,445   41,960   50,136 84,168  
Total assets 26,598,942   17,462,835   26,598,942 17,462,835  
Goodwill 1,419,782   988,898   1,419,782 988,898  
Operating segments | Insurance              
Financial information for the Company's operating segments              
Total interest income     461     942  
Total interest expense     0     0  
Net interest income     461     942  
Provision for credit losses     0     0  
Noninterest income (loss)     2,877     6,473  
Salaries and employee benefits     1,839     3,619  
Net occupancy and equipment     131     220  
Other segment expenses     275     553  
Income (loss) before income taxes     1,093     3,023  
Income tax expense (benefit)     284     785  
Net income (loss)     809     2,238  
Total assets     41,988     41,988  
Goodwill     2,767     2,767  
Operating segments | Wealth Management              
Financial information for the Company's operating segments              
Total interest income 0   16   0 32  
Total interest expense 0   0   0 0  
Net interest income 0   16   0 32  
Provision for credit losses 0   0   0 0  
Noninterest income (loss) 7,406   6,568   14,881 13,201  
Salaries and employee benefits 3,557   3,169   7,360 6,458  
Net occupancy and equipment 214   200   418 396  
Other segment expenses 1,123   1,382   2,104 3,082  
Income (loss) before income taxes 2,512   1,833   4,999 3,297  
Income tax expense (benefit) 134   80   237 100  
Net income (loss) 2,378   1,753   4,762 3,197  
Total assets 6,110   5,043   6,110 5,043  
Goodwill 0   0   0 0  
Other              
Financial information for the Company's operating segments              
Total interest income 23   26   46 53  
Total interest expense 8,797   6,901   15,296 13,821  
Net interest income (8,774)   (6,875)   (15,250) (13,768)  
Provision for credit losses 0   0   0 0  
Noninterest income (loss) (496)   (412)   (937) (751)  
Salaries and employee benefits 0   0   0 0  
Net occupancy and equipment 33   0   33 0  
Other segment expenses (96)   363   402 776  
Income (loss) before income taxes (9,207)   (7,650)   (16,622) (15,295)  
Income tax expense (benefit) (2,402)   (1,974)   (4,260) (3,947)  
Net income (loss) (6,805)   (5,676)   (12,362) (11,348)  
Total assets 19,923   525   19,923 525  
Goodwill $ 0   $ 0   $ 0 $ 0