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Fair Value Measurements - Additional Information (Details)
 6 Months Ended
Jun. 30, 2025
USD ($)
loan
Jun. 30, 2024
USD ($)
loan
Dec. 31, 2024
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Residential mortgage loans held for sale period 45 days    
Interest Rate Lock Commitments, Average Percentage Of Estimated Pull Through Rate To Calculate Fair Value 0.864    
Loans $ 7,486,918,000   $ 7,751,143,000
Fair value, non-recurring basis      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Nonrecurring Loans Reserves 6,300,000 $ 6,900,000  
Loans $ 26,000,000 $ 24,100,000  
Number of Loans measured | loan 15 12  
Mortgage servicing rights      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Impairment (recoveries) on mortgage servicing rights $ 0 $ (61,000)  
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] Gain (Loss) on Sale of Mortgage Loans Gain (Loss) on Sale of Mortgage Loans  
SBA servicing asset      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Impairment (recoveries) on mortgage servicing rights $ 68,000 $ 0  
Discount rate | Individually evaluated loans | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Measurement input (as a percent) 0.06    
Discount rate | Individually evaluated loans | Maximum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Measurement input (as a percent) 0.35    
Discount rate | Individually evaluated loans | Weighted average      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Measurement input (as a percent) 0.152    
Discount rate | Mortgage servicing rights | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Servicing assets measurement input (as a percent) 0.10    
Discount rate | Mortgage servicing rights | Maximum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Servicing assets measurement input (as a percent) 0.105    
Discount rate | SBA servicing asset | Weighted average      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Servicing assets measurement input (as a percent) 0.106    
Constant prepayment speed | Mortgage servicing rights | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Servicing assets measurement input (as a percent) 0.06    
Constant prepayment speed | Mortgage servicing rights | Maximum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Servicing assets measurement input (as a percent) 0.128    
Constant prepayment speed | Mortgage servicing rights | Weighted average      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Servicing assets measurement input (as a percent) 0.062    
Constant prepayment speed | SBA servicing asset | Weighted average      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis      
Servicing assets measurement input (as a percent) 0.162