v3.26.1
Loans - Schedule of Allowance for Credit Losses by Portfolio Type (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Allowance for credit losses:        
Balance, beginning of period $ 82,955 $ 91,790 $ 85,016 $ 88,221
Allowance on purchased seasoned loans and leases at acquisition 55,136   55,136  
Allowance on purchased credit deteriorated loans and leases at acquisition     37,364  
Provision for (benefit from) credit losses 40,500 4,750 49,000 8,950
Loans charged off (42,573) (13,597) (53,221) (14,409)
Recoveries 169 50 256 231
Balance, end of period 173,551 82,993 173,551 82,993
Commercial and Industrial        
Allowance for credit losses:        
Balance, beginning of period 40,809 43,399 42,902 38,489
Allowance on purchased seasoned loans and leases at acquisition 4,514   4,514  
Allowance on purchased credit deteriorated loans and leases at acquisition     5,172  
Provision for (benefit from) credit losses 43,500 5,490 51,923 10,924
Loans charged off (40,369) (11,089) (50,953) (11,732)
Recoveries 153 2 221 121
Balance, end of period 53,779 37,802 53,779 37,802
Commercial Real Estate        
Allowance for credit losses:        
Balance, beginning of period 24,606 26,684 24,408 28,323
Allowance on purchased seasoned loans and leases at acquisition 38,538   38,538  
Allowance on purchased credit deteriorated loans and leases at acquisition     26,879  
Provision for (benefit from) credit losses (1,121) (1,203) (923) (2,842)
Loans charged off (2,000) 0 (2,000) 0
Recoveries 3 0 3 0
Balance, end of period 86,905 25,481 86,905 25,481
Residential Real Estate        
Allowance for credit losses:        
Balance, beginning of period 13,503 15,211 13,323 15,450
Allowance on purchased seasoned loans and leases at acquisition 8,963   8,963  
Allowance on purchased credit deteriorated loans and leases at acquisition     299  
Provision for (benefit from) credit losses (1,308) 38 (1,128) (224)
Loans charged off (178) 0 (178) 0
Recoveries 0 0 0 23
Balance, end of period 21,279 15,249 21,279 15,249
Public Finance        
Allowance for credit losses:        
Balance, beginning of period 2,688 5,243 2,942 4,750
Allowance on purchased seasoned loans and leases at acquisition 1,676   1,676  
Allowance on purchased credit deteriorated loans and leases at acquisition     5,014  
Provision for (benefit from) credit losses (844) (360) (1,098) 133
Loans charged off 0 (1,680) 0 (1,680)
Recoveries 0 0 0 0
Balance, end of period 8,534 3,203 8,534 3,203
Consumer        
Allowance for credit losses:        
Balance, beginning of period 674 718 721 750
Allowance on purchased seasoned loans and leases at acquisition 1   1  
Allowance on purchased credit deteriorated loans and leases at acquisition     0  
Provision for (benefit from) credit losses (19) 123 (21) 221
Loans charged off (26) (85) (90) (254)
Recoveries 13 48 32 87
Balance, end of period 643 804 643 804
Other        
Allowance for credit losses:        
Balance, beginning of period 675 535 720 459
Allowance on purchased seasoned loans and leases at acquisition 1,444   1,444  
Allowance on purchased credit deteriorated loans and leases at acquisition     0  
Provision for (benefit from) credit losses 292 662 247 738
Loans charged off 0 (743) 0 (743)
Recoveries 0 0 0 0
Balance, end of period $ 2,411 $ 454 $ 2,411 $ 454