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Loans - Summary of Allowance for Loan Losses by Portfolio Class and Category (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Beginning Balance $ 137,950    
Charge-offs (1,285)   $ (21,874)
Ending Balance 142,944   137,950
Commercial and industrial      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Charge-offs (581)   (12,768)
Commercial - investor owned      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Charge-offs     (700)
Commercial - owner occupied      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Charge-offs (362)   (3,074)
Construction and land development      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Charge-offs     (3,224)
Other      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Charge-offs (3)   (262)
Noncovered Loans      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 137,950 $ 134,771 134,771
Provision (benefit) for credit losses 3,935 6,591  
Charge-offs (1,285) (6,650)  
Recoveries 2,344 786  
Ending Balance 142,944 135,498 137,950
Noncovered Loans | Commercial and industrial      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 63,231 58,886 58,886
Provision (benefit) for credit losses 5,748 4,978  
Charge-offs (591) (5,353)  
Recoveries 1,499 203  
Ending Balance 69,887 58,714 63,231
Noncovered Loans | Commercial - investor owned      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 34,217 31,280 31,280
Provision (benefit) for credit losses (3,751) 140  
Charge-offs 0 (305)  
Recoveries 85 81  
Ending Balance 30,551 31,196 34,217
Noncovered Loans | Commercial - owner occupied      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 20,400 23,405 23,405
Provision (benefit) for credit losses (1,966) 1,500  
Charge-offs (362) (112)  
Recoveries 288 14  
Ending Balance 18,360 24,807 20,400
Noncovered Loans | Construction and land development      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 9,837 10,198 10,198
Provision (benefit) for credit losses 2,264 (379)  
Charge-offs 0 0  
Recoveries 13 6  
Ending Balance 12,114 9,825 9,837
Noncovered Loans | Residential      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 6,534 6,142 6,142
Provision (benefit) for credit losses 1,056 406  
Charge-offs (225) (497)  
Recoveries 379 428  
Ending Balance 7,744 6,479 6,534
Noncovered Loans | Other      
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 3,731 4,860 4,860
Provision (benefit) for credit losses 584 (54)  
Charge-offs (107) (383)  
Recoveries 80 54  
Ending Balance $ 4,288 $ 4,477 $ 3,731