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Income Taxes - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Operating Loss Carryforwards [Line Items]      
Unrealized loss on securities, tax expense (benefit) $ 1,800,000 $ 4,900,000 $ (10,400,000)
Tax credit, writeoff 1,200,000    
Retained earnings not provided for provision for income tax 10,800,000    
Income tax expense related to tax reform 1,800,000    
Unrecognized tax benefits 0 0 $ 0
Accumulated Other Comprehensive (Loss) Gain      
Operating Loss Carryforwards [Line Items]      
Income tax expense related to tax reform 295,000    
Colonial American Bank      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 3,300,000 3,600,000  
Operating loss carryforwards, subject to expiration 22,000    
Sun Bancorp, Inc.      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 87,500,000 96,800,000  
Operating loss carryforwards, limitations on use, amount 9,300,000    
Tax credit $ 0 $ 1,200,000