v3.24.2
Loans and Allowance for Credit Losses on Loans - Allowance Activity (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Allowance for Loan and Lease Losses [Roll Forward]      
Beginning balance $ 249,973 $ 253,469 $ 253,469
Provision for credit losses on loans 40,043 12,023  
Charge-offs 22,977 29,584 56,727
Recoveries 258 1,435  
Net charge-offs (recoveries) 22,719 28,149  
Ending balance 267,297 237,343 249,973
Commercial      
Allowance for Loan and Lease Losses [Roll Forward]      
Beginning balance 171,437 185,303 185,303
Provision for credit losses on loans 26,200 18,198  
Charge-offs 17,541 29,584  
Recoveries 258 1,430  
Net charge-offs (recoveries) 17,283 28,154  
Ending balance 180,354 175,347 171,437
Mortgage finance      
Allowance for Loan and Lease Losses [Roll Forward]      
Beginning balance 4,173 10,745 10,745
Provision for credit losses on loans 1,445 (3,660)  
Charge-offs 0 0  
Recoveries 0 0  
Net charge-offs (recoveries) 0 0  
Ending balance 5,618 7,085 4,173
Commercial real estate      
Allowance for Loan and Lease Losses [Roll Forward]      
Beginning balance 71,829 54,268 54,268
Provision for credit losses on loans 12,245 (1,730)  
Charge-offs 5,436 0  
Recoveries 0 0  
Net charge-offs (recoveries) 5,436 0  
Ending balance 78,638 52,538 71,829
Consumer      
Allowance for Loan and Lease Losses [Roll Forward]      
Beginning balance 2,534 3,153 3,153
Provision for credit losses on loans 153 (785)  
Charge-offs 0 0  
Recoveries 0 5  
Net charge-offs (recoveries) 0 (5)  
Ending balance $ 2,687 $ 2,373 $ 2,534