Securities (Schedule of Unrealized Loss on Investments, HTM) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	$ 0	$ 6,955
Less than 12 months, unrealized loss	0	38
More than 12 months, fair value	38,412	76,092
More than 12 months, unrealized loss	372	2,634
Total, fair value	38,412	83,047
Total, unrealized loss	372	2,672
Asset-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	0	6,955
Less than 12 months, unrealized loss	0	38
More than 12 months, fair value	32,989	70,752
More than 12 months, unrealized loss	350	2,483
Total, fair value	32,989	77,707
Total, unrealized loss	350	2,521
Us Government Agencies Callable Agency Bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	4,998	4,899
More than 12 months, unrealized loss	8	110
Total, fair value	4,998	4,899
Total, unrealized loss	8	110
Asset-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	425	441
More than 12 months, unrealized loss	14	41
Total, fair value	425	441
Total, unrealized loss	$ 14	$ 41