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Goodwill and Other Intangible Assets - Schedule of Amortizing Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 34,743 $ 34,709
Accumulated Amortization 32,416 32,001
Net Carrying Amount 2,327 2,708
Core deposit intangible    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 18,774 18,774
Accumulated Amortization 18,774 18,774
Net Carrying Amount 0 0
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 9,048 9,048
Accumulated Amortization 7,948 7,632
Net Carrying Amount 1,100 1,416
Other intangibles    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 6,921 6,887
Accumulated Amortization 5,694 5,595
Net Carrying Amount $ 1,227 $ 1,292