Securities (Schedule of Unrealized Loss on Investments, HTM) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	$ 6,955	$ 36,607
Less than 12 months, unrealized loss	38	254
More than 12 months, fair value	76,092	45,718
More than 12 months, unrealized loss	2,634	1,182
Total, fair value	83,047	82,325
Total, unrealized loss	2,672	1,436
Asset-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	6,955	36,607
Less than 12 months, unrealized loss	38	254
More than 12 months, fair value	70,752	45,119
More than 12 months, unrealized loss	2,483	1,130
Total, fair value	77,707	81,726
Total, unrealized loss	2,521	1,384
Asset-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	441	599
More than 12 months, unrealized loss	41	52
Total, fair value	441	599
Total, unrealized loss	41	$ 52
US Government Agencies Callable Agency Bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	4,899
More than 12 months, unrealized loss	110
Total, fair value	4,899
Total, unrealized loss	$ 110