v3.26.1
OPERATING SEGMENTS AND RELATED INFORMATION - Schedule of Financial Results by Operating Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Interest income $ 224,425 $ 247,446 $ 449,910 $ 414,261
Intersegment interest income 0 0 0 0
Interest expense 72,023 94,263 143,539 157,347
Intersegment interest expense 0 0 0 0
Net interest income 152,402 153,183 306,371 256,914
Provision for credit losses 2,189 5,700 5,247 51,293
Net interest income after provision for credit losses 150,213 147,483 301,124 205,621
Noninterest income        
All other noninterest income 6,482 10,914 11,321 296
Intersegment noninterest income 0 0 0 0
Total noninterest income 44,311 44,863 86,576 66,086
Revenue 196,713 198,046 392,947 323,000
Noninterest expense        
Salaries and employee benefits 67,677 78,360 152,907 145,923
Data processing 8,868 14,021 18,732 23,596
Amortization of intangible assets 4,232 4,592 8,523 7,675
Interchange expense 1,096 1,297 2,212 2,640
All other noninterest expense 30,762 29,563 59,780 60,029
Intersegment noninterest expense 0 0 0 0
Total noninterest expense 112,635 127,833 242,154 239,863
Income (loss) before income taxes 81,889 64,513 145,546 31,844
Income taxes 18,713 17,109 32,389 14,430
Net income 63,176 47,404 113,157 17,414
Wealth management fees        
Noninterest income        
Noninterest income 19,981 16,777 39,351 34,141
Payment technology solutions        
Noninterest income        
Noninterest income 4,968 4,956 10,045 10,029
Treasury management services        
Noninterest income        
Noninterest income 4,789 4,569 9,245 7,406
Capital markets income        
Noninterest income        
Noninterest income 1,871 1,254 4,242 2,579
Card services and ATM fees        
Noninterest income        
Noninterest income 4,813 4,880 9,459 8,589
Other service charges on deposit accounts        
Noninterest income        
Noninterest income 1,407 1,513 2,913 3,046
Other        
Segment Reporting [Line Items]        
Interest income 76 2 154 5
Intersegment interest income (14) (17) (29) (30)
Interest expense 2,613 4,016 5,255 8,583
Intersegment interest expense (300) (866) (804) (1,357)
Net interest income (2,251) (3,165) (4,326) (7,251)
Provision for credit losses 0 0 0 0
Net interest income after provision for credit losses (2,251) (3,165) (4,326) (7,251)
Noninterest income        
All other noninterest income 2,029 5,991 1,091 5,697
Intersegment noninterest income (3,363) (745) (6,757) (1,442)
Total noninterest income (1,334) 5,246 (5,666) 4,255
Revenue (3,585) 2,081 (9,992) (2,996)
Noninterest expense        
Salaries and employee benefits 0 11,156 0 22,481
Data processing 26 96 59 192
Amortization of intangible assets 0 0 0 0
Interchange expense 0 0 0 0
All other noninterest expense 1,841 2,093 3,649 11,380
Intersegment noninterest expense (1,938) (6,294) (3,907) (12,108)
Total noninterest expense (71) 7,051 (199) 21,945
Income (loss) before income taxes (3,514) (4,970) (9,793) (24,941)
Income taxes (855) (1,257) (2,388) (4,951)
Net income (2,659) (3,713) (7,405) (19,990)
Other | Wealth management fees        
Noninterest income        
Noninterest income 0 0 0 0
Other | Payment technology solutions        
Noninterest income        
Noninterest income 0 0 0 0
Other | Treasury management services        
Noninterest income        
Noninterest income 0 0 0 0
Other | Capital markets income        
Noninterest income        
Noninterest income 0 0 0 0
Other | Card services and ATM fees        
Noninterest income        
Noninterest income 0 0 0 0
Other | Other service charges on deposit accounts        
Noninterest income        
Noninterest income 0 0 0 0
Banking | Operating Segments        
Segment Reporting [Line Items]        
Interest income 224,349 247,444 449,756 414,256
Intersegment interest income 0 0 0 0
Interest expense 69,410 90,247 138,284 148,764
Intersegment interest expense 300 866 804 1,357
Net interest income 154,639 156,331 310,668 264,135
Provision for credit losses 2,189 5,700 5,247 51,293
Net interest income after provision for credit losses 152,450 150,631 305,421 212,842
Noninterest income        
All other noninterest income 4,289 4,714 9,909 (5,810)
Intersegment noninterest income 2,832 316 5,665 668
Total noninterest income 20,001 17,246 41,433 16,478
Revenue 174,640 173,577 352,101 280,613
Noninterest expense        
Salaries and employee benefits 56,801 57,247 128,508 103,973
Data processing 7,266 12,381 15,448 20,330
Amortization of intangible assets 4,066 4,364 8,176 7,205
Interchange expense 0 0 0 0
All other noninterest expense 27,605 26,162 53,287 45,987
Intersegment noninterest expense 650 5,156 1,329 9,821
Total noninterest expense 96,388 105,310 206,748 187,316
Income (loss) before income taxes 76,063 62,567 140,106 42,004
Income taxes 17,328 16,729 31,131 15,859
Net income 58,735 45,838 108,975 26,145
Banking | Operating Segments | Wealth management fees        
Noninterest income        
Noninterest income 0 0 0 0
Banking | Operating Segments | Payment technology solutions        
Noninterest income        
Noninterest income 0 0 0 0
Banking | Operating Segments | Treasury management services        
Noninterest income        
Noninterest income 4,789 4,569 9,245 7,406
Banking | Operating Segments | Capital markets income        
Noninterest income        
Noninterest income 1,871 1,254 4,242 2,579
Banking | Operating Segments | Card services and ATM fees        
Noninterest income        
Noninterest income 4,813 4,880 9,459 8,589
Banking | Operating Segments | Other service charges on deposit accounts        
Noninterest income        
Noninterest income 1,407 1,513 2,913 3,046
Wealth Management | Operating Segments        
Segment Reporting [Line Items]        
Interest income 0 0 0 0
Intersegment interest income 0 0 0 0
Interest expense 0 0 0 0
Intersegment interest expense 0 0 0 0
Net interest income 0 0 0 0
Provision for credit losses 0 0 0 0
Net interest income after provision for credit losses 0 0 0 0
Noninterest income        
All other noninterest income 164 209 321 411
Intersegment noninterest income 0 0 0 0
Total noninterest income 20,145 16,986 39,672 34,552
Revenue 20,145 16,986 39,672 34,552
Noninterest expense        
Salaries and employee benefits 8,115 7,106 16,981 14,137
Data processing 704 622 1,467 1,215
Amortization of intangible assets 166 228 347 470
Interchange expense 0 0 0 0
All other noninterest expense 545 590 1,397 1,327
Intersegment noninterest expense 749 778 1,499 1,558
Total noninterest expense 10,279 9,324 21,691 18,707
Income (loss) before income taxes 9,866 7,662 17,981 15,845
Income taxes 2,368 1,839 4,316 3,803
Net income 7,498 5,823 13,665 12,042
Wealth Management | Operating Segments | Wealth management fees        
Noninterest income        
Noninterest income 19,981 16,777 39,351 34,141
Wealth Management | Operating Segments | Payment technology solutions        
Noninterest income        
Noninterest income 0 0 0 0
Wealth Management | Operating Segments | Treasury management services        
Noninterest income        
Noninterest income 0 0 0 0
Wealth Management | Operating Segments | Capital markets income        
Noninterest income        
Noninterest income 0 0 0 0
Wealth Management | Operating Segments | Card services and ATM fees        
Noninterest income        
Noninterest income 0 0 0 0
Wealth Management | Operating Segments | Other service charges on deposit accounts        
Noninterest income        
Noninterest income 0 0 0 0
FirsTech | Operating Segments        
Segment Reporting [Line Items]        
Interest income 0 0 0 0
Intersegment interest income 14 17 29 30
Interest expense 0 0 0 0
Intersegment interest expense 0 0 0 0
Net interest income 14 17 29 30
Provision for credit losses 0 0 0 0
Net interest income after provision for credit losses 14 17 29 30
Noninterest income        
All other noninterest income 0 0 0 (2)
Intersegment noninterest income 531 429 1,092 774
Total noninterest income 5,499 5,385 11,137 10,801
Revenue 5,513 5,402 11,166 10,831
Noninterest expense        
Salaries and employee benefits 2,761 2,851 7,418 5,332
Data processing 872 922 1,758 1,859
Amortization of intangible assets 0 0 0 0
Interchange expense 1,096 1,297 2,212 2,640
All other noninterest expense 771 718 1,447 1,335
Intersegment noninterest expense 539 360 1,079 729
Total noninterest expense 6,039 6,148 13,914 11,895
Income (loss) before income taxes (526) (746) (2,748) (1,064)
Income taxes (128) (202) (670) (281)
Net income (398) (544) (2,078) (783)
FirsTech | Operating Segments | Wealth management fees        
Noninterest income        
Noninterest income 0 0 0 0
FirsTech | Operating Segments | Payment technology solutions        
Noninterest income        
Noninterest income 4,968 4,956 10,045 10,029
FirsTech | Operating Segments | Treasury management services        
Noninterest income        
Noninterest income 0 0 0 0
FirsTech | Operating Segments | Capital markets income        
Noninterest income        
Noninterest income 0 0 0 0
FirsTech | Operating Segments | Card services and ATM fees        
Noninterest income        
Noninterest income 0 0 0 0
FirsTech | Operating Segments | Other service charges on deposit accounts        
Noninterest income        
Noninterest income $ 0 $ 0 $ 0 $ 0