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Fair Value Measurements - Additional Information (Details)
$ in Thousands
 9 Months Ended
Sep. 30, 2024
USD ($)
loan
Sep. 30, 2023
USD ($)
loan
Dec. 31, 2023
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Residential mortgage loans held for sale period 45 days    
Interest Rate Lock Commitments, Average Percentage Of Estimated Pull Through Rate To Calculate Fair Value 0.840    
Loans $ 7,714,495   $ 7,698,758
Impairment on other real estate owned   $ 55  
Fair value, non-recurring basis      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Nonrecurring Loans Reserves $ 4,700 $ 6,100  
Number of Loans measured | loan 11 9  
Loans $ 19,500 $ 22,100  
Other real estate owned      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment on other real estate owned 0 55  
Mortgage servicing rights      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment (recoveries) on mortgage servicing rights $ 13 $ (66)  
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 [Line Items]      
Impairment (recoveries) on mortgage servicing rights $ 0 $ 0  
Discount rate | Individually evaluated loans | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Measurement input (as a percent) 0.06    
Discount rate | Individually evaluated loans | Maximum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Measurement input (as a percent) 0.32    
Discount rate | Individually evaluated loans | Weighted average      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Measurement input (as a percent) 0.119    
Discount rate | Other real estate owned | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Measurement input (as a percent) 0.06    
Discount rate | Other real estate owned | Maximum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Measurement input (as a percent) 0.10    
Discount rate | Other real estate owned | Weighted average      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Measurement input (as a percent) 0.060    
Discount rate | Mortgage servicing rights | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets measurement input (as a percent) 0.100    
Discount rate | Mortgage servicing rights | Maximum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
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 [Line Items]      
Servicing assets measurement input (as a percent) 0.097    
Constant prepayment speed | Mortgage servicing rights | Minimum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets measurement input (as a percent) 0.069    
Constant prepayment speed | Mortgage servicing rights | Maximum      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets measurement input (as a percent) 0.176    
Constant prepayment speed | Mortgage servicing rights | Weighted average      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets measurement input (as a percent) 0.071    
Constant prepayment speed | SBA servicing asset | Weighted average      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Servicing assets measurement input (as a percent) 0.156