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Goodwill and Intangible Assets - Narrative (Details)
 3 Months Ended 6 Months Ended 12 Months Ended
Apr. 03, 2023
USD ($)
Jun. 30, 2023
USD ($)
item
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
item
Jun. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Sep. 01, 2022
Goodwill and Intangible Assets              
Goodwill acquired   $ 306,043,000   $ 306,043,000   $ 279,132,000  
Goodwill Impairment   0   $ 0   0  
Amortization period for acquired intangible assets       9 years 9 months 18 days      
Mortgage loans serviced       $ 1,000,000,000.0 $ 1,000,000,000.0    
Mortgage service fees   600,000 $ 600,000 1,400,000 1,100,000    
Loans   7,321,776,000   7,321,776,000   $ 7,130,916,000  
Amortization expense   $ 2,007,000 296,000 $ 3,370,000 592,000    
Cambr Solutions, LLC ("Cambr")              
Goodwill and Intangible Assets              
Goodwill acquired $ 26,911,000            
Acquired through acquisition 18,000,000.0            
Core deposit intangible              
Goodwill and Intangible Assets              
Amortization period   10 years   10 years     10 years
Core deposit intangible | Cambr Solutions, LLC ("Cambr")              
Goodwill and Intangible Assets              
Acquired through acquisition 1,700,000,000            
Other intangible assets              
Goodwill and Intangible Assets              
Amortization expense   $ 2,000,000.0 $ 300,000 $ 3,400,000 600,000    
Other intangible assets | Cambr Solutions, LLC ("Cambr")              
Goodwill and Intangible Assets              
Acquired through acquisition $ 18,000,000.0            
Amortization period for acquired intangible assets 9 years 4 months 24 days            
MSRs              
Goodwill and Intangible Assets              
Amortization expense       $ 479,000 $ 448,000    
MSRs | Discount Rate | Minimum              
Goodwill and Intangible Assets              
Servicing assets measurement input (as a percent)   0.100 0.095 0.100 0.095    
MSRs | Discount Rate | Maximum              
Goodwill and Intangible Assets              
Servicing assets measurement input (as a percent) | item   0.105   0.105      
MSRs | Constant Prepayment Speed | Minimum              
Goodwill and Intangible Assets              
Servicing assets measurement input (as a percent)   0.057 0.078 0.057 0.078    
MSRs | Constant Prepayment Speed | Maximum              
Goodwill and Intangible Assets              
Servicing assets measurement input (as a percent)   0.135 0.082 0.135 0.082    
Small Business Administration ("SBA") servicing rights              
Goodwill and Intangible Assets              
Fee income   $ 200,000   $ 600,000      
Loans   $ 110,800,000   110,800,000      
Amortization expense       $ 69,000      
Small Business Administration ("SBA") servicing rights | Discount Rate              
Goodwill and Intangible Assets              
Servicing assets measurement input (as a percent)   0.1102   0.1102      
Small Business Administration ("SBA") servicing rights | Constant Prepayment Speed              
Goodwill and Intangible Assets              
Servicing assets measurement input (as a percent)   0.1327   0.1327      
Customer relationship intangible              
Goodwill and Intangible Assets              
Amortization period   10 years   10 years      
Internally developed technology              
Goodwill and Intangible Assets              
Amortization period   5 years   5 years