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Goodwill and Intangible Assets - Narrative (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Goodwill and Intangible Assets      
Goodwill acquired $ 306,043 $ 306,043  
Goodwill Impairment $ 0 0  
Amortization period for acquired intangible assets 9 years 9 months 18 days    
Mortgage loans serviced $ 500,000 500,000  
Mortgage service fees 1,500 2,400  
Loans 7,656,688 7,600,811  
Amortization expense $ 7,939 7,386 $ 2,338
Core deposit intangible      
Goodwill and Intangible Assets      
Amortization period 10 years    
Other intangible assets      
Goodwill and Intangible Assets      
Amortization expense $ 7,900 7,400 $ 2,300
MSRs      
Goodwill and Intangible Assets      
Amortization expense $ 541 $ 775  
MSRs | Discount rate | Minimum      
Goodwill and Intangible Assets      
Servicing assets measurement input (as a percent) 0.10 0.10  
MSRs | Discount rate | Maximum      
Goodwill and Intangible Assets      
Servicing assets measurement input (as a percent) 0.105 0.105  
MSRs | Constant prepayment speed | Minimum      
Goodwill and Intangible Assets      
Servicing assets measurement input (as a percent) 0.06 0.065  
MSRs | Constant prepayment speed | Maximum      
Goodwill and Intangible Assets      
Servicing assets measurement input (as a percent) 0.103 0.158  
Small Business Administration ("SBA") servicing rights      
Goodwill and Intangible Assets      
Fee income $ 300 $ 900  
Loans 132,000 108,800  
Amortization expense $ 283 $ 156  
Small Business Administration ("SBA") servicing rights | Discount rate      
Goodwill and Intangible Assets      
Servicing assets measurement input (as a percent) 0.104 0.123  
Small Business Administration ("SBA") servicing rights | Constant prepayment speed      
Goodwill and Intangible Assets      
Servicing assets measurement input (as a percent) 0.157 0.147  
Customer relationship intangible      
Goodwill and Intangible Assets      
Amortization period 10 years    
Acquired technology intangible      
Goodwill and Intangible Assets      
Amortization period 5 years