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Goodwill and Intangible Assets - Narrative (Details)
$ in Thousands
 1 Months Ended 12 Months Ended
Apr. 03, 2023
USD ($)
Apr. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Goodwill and Intangible Assets          
Goodwill acquired     $ 306,043 $ 279,132  
Goodwill Impairment     $ 0 0  
Amortization period for acquired intangible assets     9 years 9 months 18 days    
Mortgage loans serviced     $ 500,000 1,000,000  
Mortgage service fees     2,400 2,800  
Loans     7,600,811 7,130,916  
Amortization expense     $ 7,386 2,338 $ 1,183
Cambr Solutions, LLC ("Cambr")          
Goodwill and Intangible Assets          
Goodwill acquired $ 26,911 $ 26,900      
Acquired through acquisition   $ 18,000      
Core deposit intangible          
Goodwill and Intangible Assets          
Amortization period     10 years    
Core deposit intangible | Cambr Solutions, LLC ("Cambr")          
Goodwill and Intangible Assets          
Acquired through acquisition 1,700,000        
Other intangible assets          
Goodwill and Intangible Assets          
Amortization expense     $ 7,400 2,300 $ 1,200
Other intangible assets | Cambr Solutions, LLC ("Cambr")          
Goodwill and Intangible Assets          
Acquired through acquisition $ 18,000        
Amortization period for acquired intangible assets 9 years 4 months 24 days        
MSRs          
Goodwill and Intangible Assets          
Amortization expense     $ 775 $ 922  
MSRs | Discount Rate | Minimum          
Goodwill and Intangible Assets          
Servicing assets measurement input (as a percent)     0.100    
MSRs | Discount Rate | Maximum          
Goodwill and Intangible Assets          
Servicing assets measurement input (as a percent)     0.105 0.100  
MSRs | Constant Prepayment Speed | Minimum          
Goodwill and Intangible Assets          
Servicing assets measurement input (as a percent)     0.065 0.076  
MSRs | Constant Prepayment Speed | Maximum          
Goodwill and Intangible Assets          
Servicing assets measurement input (as a percent)     0.158 0.082  
Small Business Administration ("SBA") servicing rights          
Goodwill and Intangible Assets          
Acquired through acquisition       $ 3,126  
Fee income     $ 900 200  
Loans     108,800 125,700  
Amortization expense     $ 156 $ 99  
Small Business Administration ("SBA") servicing rights | Discount Rate          
Goodwill and Intangible Assets          
Servicing assets measurement input (as a percent)     0.1226 0.1524  
Small Business Administration ("SBA") servicing rights | Constant Prepayment Speed          
Goodwill and Intangible Assets          
Servicing assets measurement input (as a percent)     0.1466 0.1236  
Customer relationship intangible          
Goodwill and Intangible Assets          
Amortization period     10 years    
Internally developed technology          
Goodwill and Intangible Assets          
Amortization period     5 years