Securities (Schedule of Unrealized Loss on Investments, AFS) (Details) - Asset Backed Securities Issued By GSEs [Member] - Available-For-Sale Securities [Member] - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Less than 12 months, fair value	$ 2,261	$ 294
More than 12 months, fair value	22,193	26,856
Fair value	24,454	$ 27,150
Less than 12 months, unrealized loss	14
More than 12 months, unrealized loss	659	$ 830
Unrealized loss	$ 673	$ 830