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Securities - Additional Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
Security
Dec. 31, 2022
USD ($)
Security
Dec. 31, 2021
USD ($)
Schedule Of Investments [Line Items]      
Trading securities $ 0 $ 0  
Securities available-for-sale and held-to-maturity 4,500 3,900  
Sale of securities 163,649 23,293 $ 203,791
Investment securities pledged as collateral $ 464,500 $ 270,600  
Minimum      
Schedule Of Investments [Line Items]      
Percentage of shareholders equity for which securities holdings exceeds for no issuer other than U.S. Government and agencies 10.00% 10.00%  
Federal Home Loan Bank Advances      
Schedule Of Investments [Line Items]      
Carrying amount of securities pledged as collateral $ 0 $ 0  
Public Fund Deposits      
Schedule Of Investments [Line Items]      
Carrying amount of securities pledged as collateral 390,300 223,500  
Customer Repurchase Agreements      
Schedule Of Investments [Line Items]      
Carrying amount of securities pledged as collateral $ 47,800 $ 23,800  
Available-for-sale Securities      
Schedule Of Investments [Line Items]      
Investment securities with unrealized losses | Security 283 280  
Held-to-maturity Securities      
Schedule Of Investments [Line Items]      
Investment securities with unrealized losses | Security 2 4