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Securities (Securities With Unrealized Losses) (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]    
Less than Twelve Months, Fair Value $ 1,495 $ 499
Less than Twelve Months, Unrealized Loss 1
Twelve Months or More, Fair Value 5,987 8,401
Twelve Months or More, Unrealized Loss 17 98
Total, Fair Value 7,482 8,900
Total, Unrealized Loss 17 99
U.S. Treasury [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Less than Twelve Months, Fair Value 1,495 499
Less than Twelve Months, Unrealized Loss [1] 1
Twelve Months or More, Fair Value 5,987 8,401
Twelve Months or More, Unrealized Loss 17 98
Total, Fair Value 7,482 8,900
Total, Unrealized Loss $ 17 $ 99
[1] Unrealized loss is less than $1 resulting in rounding to zero.