Securities (Securities With Unrealized Losses) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value		$ 8,497	$ 10,493
Less than Twelve Months, Unrealized Loss		23	27
Twelve Months or More, Fair Value
Twelve Months or More, Unrealized Loss
Total, Fair Value		8,497	10,493
Total, Unrealized Loss		23	27
U.S. Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value		8,496	10,492
Less than Twelve Months, Unrealized Loss		23	27
Twelve Months or More, Fair Value
Twelve Months or More, Unrealized Loss
Total, Fair Value		8,496	10,492
Total, Unrealized Loss		23	27
Mortgage-Backed Securities - Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	[1]	1	1
Less than Twelve Months, Unrealized Loss	[1]
Twelve Months or More, Fair Value	[1]
Twelve Months or More, Unrealized Loss	[1]
Total, Fair Value	[1]	1	1
Total, Unrealized Loss	[1]

[1] Securities with an unrealized loss were less than $1 resulting in rounding to zero.