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Premises and Equipment Premises and Equipment (Additional Information) (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]      
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 40,957,000 $ 39,959,000  
Gain (loss) on disposition of property plant equipment 0 $ 204,000 $ 0
Software and Software Development Costs [Member]      
Property, Plant and Equipment [Line Items]      
Capitalized Computer Software, Gross 2,800,000    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 2,200,000