Securities (Schedule of Unrealized Loss on Investments, HTM) (Details) - USD ($) $ in Thousands	Sep. 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	27,819	76,092
More than 12 months, unrealized loss	181	2,634
Total, fair value	27,819	83,047
Total, unrealized loss	181	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	25,414	70,752
More than 12 months, unrealized loss	168	2,483
Total, fair value	25,414	77,707
Total, unrealized loss	168	2,521
Us Government Agencies Callable Agency Bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	2,006	4,899
More than 12 months, unrealized loss	0	110
Total, fair value	2,006	4,899
Total, unrealized loss	0	110
Asset-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	399	441
More than 12 months, unrealized loss	13	41
Total, fair value	399	441
Total, unrealized loss	$ 13	$ 41