v3.26.1
Allowance for Credit Losses - Schedule of Changes in the Allowance for Loan and Lease Losses (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Changes in allowance for loan losses      
Balance at the beginning of the period $ 252,839 $ 125,083 $ 125,083
Charge-offs (15,880) (9,073)  
Recoveries 2,329 1,476  
Provision (credit) for loan and lease losses excluding unfunded commitments 5,089 6,659  
Balance at the end of the period 244,377 124,145 252,839
Commercial Real Estate      
Changes in allowance for loan losses      
Balance at the beginning of the period 142,391 74,171 74,171
Charge-offs (7,357) 0  
Recoveries 360 0  
Provision (credit) for loan and lease losses excluding unfunded commitments 15,040 (172)  
Balance at the end of the period 150,434 73,999 142,391
Commercial      
Changes in allowance for loan losses      
Balance at the beginning of the period 86,490 44,169 44,169
Charge-offs (8,435) (9,069)  
Recoveries 1,824 1,422  
Provision (credit) for loan and lease losses excluding unfunded commitments 4,418 6,834  
Balance at the end of the period 84,297 43,356 86,490
Consumer      
Changes in allowance for loan losses      
Balance at the beginning of the period 23,958 6,743 6,743
Charge-offs (88) (4)  
Recoveries 145 54  
Provision (credit) for loan and lease losses excluding unfunded commitments (14,369) (3)  
Balance at the end of the period $ 9,646 $ 6,790 $ 23,958