v3.25.2
SEGMENT REPORTING - Schedule of Segment Reporting, by Reportable Business Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Interest income $ 347,638 $ 347,323 $ 681,416 $ 676,775  
Interest expense 115,825 135,402 227,764 263,466  
Net interest income 231,813 211,921 453,652 413,309  
Provision for credit losses 2,772 18,773 24,664 39,878  
Noninterest income 68,911 88,711 132,934 154,589  
Noninterest expense          
Salaries and employee benefits 89,308 88,201 175,923 171,131  
Occupancy and equipment 11,401 12,559 22,078 25,444  
Data processing and communications expenses 15,366 15,193 30,221 29,847  
Other expenses 39,185 39,404 78,072 77,646  
Total noninterest expense 155,260 155,357 306,294 304,068  
Income before income tax expense 142,692 126,502 255,628 223,952  
Income tax expense 32,858 35,717 57,859 58,855  
Net income 109,834 90,785 197,769 165,097  
Total assets 26,680,153 26,520,728 26,680,153 26,520,728 $ 26,262,050
Goodwill 1,015,646 1,015,646 1,015,646 1,015,646 1,015,646
Other intangible assets, net 62,582 79,120 62,582 79,120 $ 70,761
Banking Division          
Segment Reporting Information [Line Items]          
Interest income 239,211 243,857 472,530 478,979  
Interest expense 47,710 70,320 96,816 140,974  
Net interest income 191,501 173,537 375,714 338,005  
Provision for credit losses 677 20,888 17,097 40,015  
Noninterest income 29,275 37,527 57,999 63,890  
Noninterest expense          
Salaries and employee benefits 62,001 59,923 124,717 118,839  
Occupancy and equipment 10,547 11,474 20,351 23,227  
Data processing and communications expenses 13,825 13,756 27,216 26,940  
Other expenses 25,478 24,614 51,163 49,061  
Total noninterest expense 111,851 109,767 223,447 218,067  
Income before income tax expense 108,248 80,409 193,169 143,813  
Income tax expense 25,667 26,090 44,821 42,118  
Net income 82,581 54,319 148,348 101,695  
Total assets 19,143,429 18,933,072 19,143,429 18,933,072  
Goodwill 951,148 951,148 951,148 951,148  
Other intangible assets, net 60,952 74,605 60,952 74,605  
Retail Mortgage Division          
Segment Reporting Information [Line Items]          
Interest income 61,356 59,001 119,288 114,100  
Interest expense 39,325 35,259 75,413 67,071  
Net interest income 22,031 23,742 43,875 47,029  
Provision for credit losses 1,010 (2,882) 6,201 (550)  
Noninterest income 37,726 50,145 72,455 88,910  
Noninterest expense          
Salaries and employee benefits 24,358 25,254 45,353 46,327  
Occupancy and equipment 811 1,008 1,640 2,057  
Data processing and communications expenses 1,391 1,276 2,688 2,642  
Other expenses 12,496 13,397 24,459 25,927  
Total noninterest expense 39,056 40,935 74,140 76,953  
Income before income tax expense 19,691 35,834 35,989 59,536  
Income tax expense 4,135 7,525 7,558 12,503  
Net income 15,556 28,309 28,431 47,033  
Total assets 4,723,883 5,100,837 4,723,883 5,100,837  
Goodwill 0 0 0 0  
Other intangible assets, net 0 0 0 0  
Warehouse Lending Division          
Segment Reporting Information [Line Items]          
Interest income 18,174 19,380 33,374 35,863  
Interest expense 11,083 13,088 20,381 23,543  
Net interest income 7,091 6,292 12,993 12,320  
Provision for credit losses 369 359 194 504  
Noninterest income 1,893 1,028 2,447 1,768  
Noninterest expense          
Salaries and employee benefits 618 1,124 1,170 2,012  
Occupancy and equipment 7 7 14 14  
Data processing and communications expenses 59 59 97 84  
Other expenses 96 298 366 535  
Total noninterest expense 780 1,488 1,647 2,645  
Income before income tax expense 7,835 5,473 13,599 10,939  
Income tax expense 1,646 1,149 2,856 2,297  
Net income 6,189 4,324 10,743 8,642  
Total assets 1,114,158 1,089,263 1,114,158 1,089,263  
Goodwill 0 0 0 0  
Other intangible assets, net 0 0 0 0  
Premium  Finance  Division          
Segment Reporting Information [Line Items]          
Interest income 28,897 25,085 56,224 47,833  
Interest expense 17,707 16,735 35,154 31,878  
Net interest income 11,190 8,350 21,070 15,955  
Provision for credit losses 716 408 1,172 (91)  
Noninterest income 17 11 33 21  
Noninterest expense          
Salaries and employee benefits 2,331 1,900 4,683 3,953  
Occupancy and equipment 36 70 73 146  
Data processing and communications expenses 91 102 220 181  
Other expenses 1,115 1,095 2,084 2,123  
Total noninterest expense 3,573 3,167 7,060 6,403  
Income before income tax expense 6,918 4,786 12,871 9,664  
Income tax expense 1,410 953 2,624 1,937  
Net income 5,508 3,833 10,247 7,727  
Total assets 1,698,683 1,397,556 1,698,683 1,397,556  
Goodwill 64,498 64,498 64,498 64,498  
Other intangible assets, net $ 1,630 $ 4,515 $ 1,630 $ 4,515