v3.26.1
Business Segments - Schedule of Operating Results and Other Key Financial Measures for The Individual Operating Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information      
Net interest income before provision for (reversal of) credit losses $ 671,193 $ 600,201  
Noninterest income 102,556 92,102  
Total revenue before provision for (reversal of) credit losses 773,749 692,303  
Provision for (reversal of) credit losses 36,000 49,000  
Compensation and employee benefits 172,665 146,435  
Other noninterest expense 107,649 105,713  
Total noninterest expense 280,314 252,148  
INCOME BEFORE INCOME TAXES 457,435 391,155  
Segment net income 357,796 290,270  
Loans 57,054,649 53,337,711  
Deposits 67,547,634 62,637,582  
Segment assets 82,886,152 76,165,013 $ 80,434,997
Consumer and Business Banking      
Segment Reporting Information      
Net interest income before provision for (reversal of) credit losses 269,247 269,733  
Noninterest income 39,962 32,285  
Total revenue before provision for (reversal of) credit losses 309,209 302,018  
Provision for (reversal of) credit losses 9,185 7,685  
Compensation and employee benefits 70,096 61,964  
Other noninterest expense 62,005 57,192  
Total noninterest expense 132,101 119,156  
INCOME BEFORE INCOME TAXES 167,923 175,177  
Segment net income 120,864 123,088  
Loans 21,034,978 19,762,287  
Deposits 35,048,413 32,326,906  
Segment assets 21,626,337 20,404,813  
Commercial Banking      
Segment Reporting Information      
Net interest income before provision for (reversal of) credit losses 261,286 253,001  
Noninterest income 54,331 53,579  
Total revenue before provision for (reversal of) credit losses 315,617 306,580  
Provision for (reversal of) credit losses 27,007 40,779  
Compensation and employee benefits 74,844 61,187  
Other noninterest expense 36,470 42,318  
Total noninterest expense 111,314 103,505  
INCOME BEFORE INCOME TAXES 177,296 162,296  
Segment net income 127,639 114,025  
Loans 36,019,671 33,211,037  
Deposits 28,087,719 26,129,141  
Segment assets 38,707,909 35,790,014  
Treasury and Other      
Segment Reporting Information      
Net interest income before provision for (reversal of) credit losses 140,660 77,467  
Noninterest income 8,263 6,238  
Total revenue before provision for (reversal of) credit losses 148,923 83,705  
Provision for (reversal of) credit losses (192) 536  
Compensation and employee benefits 27,725 23,284  
Other noninterest expense 9,174 6,203  
Total noninterest expense 36,899 29,487  
INCOME BEFORE INCOME TAXES 112,216 53,682  
Segment net income 109,293 53,157  
Loans 0 364,387  
Deposits 4,411,502 4,181,535  
Segment assets $ 22,551,906 $ 19,970,186