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Goodwill and Identifiable Intangible Assets - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Goodwill [Line Items]      
Amortization expense of identifiable intangible assets $ 126,000 $ 110,000 $ 290,000
Impairment losses on identifiable intangible assets 0 0 0
General Banking Segment [Member]      
Goodwill [Line Items]      
Impairment charge $ 0 $ 0 $ 0