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Securities (Narrative) (Details)
12 Months Ended
Dec. 31, 2023
USD ($)
security
Dec. 31, 2022
USD ($)
security
Dec. 31, 2021
USD ($)
security
Schedule of Available-for-sale Securities [Line Items]      
Available-for-sale securities impairment recognized in accumulated other comprehensive income (loss) | $ $ 0 $ 0  
Sales of securities | $ $ 0 $ 0 $ 0
Holdings of securities greater than 10% of stockholders' equity 0 0 0
Minimum percentage of securities held 10.00% 10.00% 10.00%
Corporate Debt [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Number of securities 1 1  
Mortgage-Backed Securities - Residential [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Number of securities 1 2  
U.S. Treasury [Member]      
Schedule of Available-for-sale Securities [Line Items]      
Number of securities 2