v3.26.1
Allowance for Credit Losses - Summary of Company's Allowance for Loan Losses ("All") and Recorded Investment in Loans (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance $ 113,477 $ 90,192 $ 87,415 $ 94,455 $ 94,455
Allowance for credit loss at acquisition 2,473   31,935    
Charge-offs (6,508) (1,158) (14,265) (16,409) (28,461)
Recoveries 79 170 136 308  
Provision expense (release) for credit losses on loans 750 (311) 5,050 10,539  
Ending balance 110,271 88,893 110,271 88,893 87,415
Commercial          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 55,369 48,058 47,482 48,552 48,552
Allowance for credit loss at acquisition 2,920   13,092    
Charge-offs (6,311) (977) (13,762) (14,546) (26,074)
Recoveries 1 105 14 161  
Provision expense (release) for credit losses on loans 2,482 748 7,635 13,767  
Ending balance 54,461 47,934 54,461 47,934 47,482
Non-owner occupied commercial real estate          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 38,030 23,494 23,076 26,136 26,136
Allowance for credit loss at acquisition (447)   14,618    
Charge-offs (1)   (1) (1,467) (1,467)
Recoveries       17  
Provision expense (release) for credit losses on loans (2,281) (1,275) (2,392) (2,467)  
Ending balance 35,301 22,219 35,301 22,219 23,076
Residential real estate          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 19,792 18,307 16,597 19,426 19,426
Allowance for credit loss at acquisition     4,208    
Charge-offs (25) (1) (76) (1) (173)
Recoveries 40 31 42 59  
Provision expense (release) for credit losses on loans 412 92 (552) (1,055)  
Ending balance 20,219 18,429 20,219 18,429 16,597
Consumer          
Financing Receivable, Allowance for Credit Loss [Roll Forward]          
Beginning balance 286 333 260 341 341
Allowance for credit loss at acquisition     17    
Charge-offs (171) (180) (426) (395) (747)
Recoveries 38 34 80 71  
Provision expense (release) for credit losses on loans 137 124 359 294  
Ending balance $ 290 $ 311 $ 290 $ 311 $ 260