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Securities (Securities With Unrealized Losses) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 Months, Fair Value $ 9,996 $ 12,774
Less than 12 Months, Unrealized Loss 1,485 247
12 Months or More, Fair Value 1,474  
12 Months or More, Unrealized Loss 63  
Total, Fair Value 11,470 12,774
Total, Unrealized Loss 1,548 247
Corporate Debt [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 Months, Fair Value 8,500 9,750
Less than 12 Months, Unrealized Loss 1,477 226
12 Months or More, Fair Value  
12 Months or More, Unrealized Loss  
Total, Fair Value 8,500 9,750
Total, Unrealized Loss 1,477 226
U.S. Treasury [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 Months, Fair Value 1,496 3,024
Less than 12 Months, Unrealized Loss 8 21
12 Months or More, Fair Value 1,474  
12 Months or More, Unrealized Loss 63  
Total, Fair Value 2,970 3,024
Total, Unrealized Loss $ 71 $ 21