Securities (Schedule of Unrealized Loss on Investments, HTM) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	$ 6,955
Less than 12 months, unrealized loss	38
More than 12 months, fair value	76,092
More than 12 months, unrealized loss	2,634
Total, fair value	83,047
Total, unrealized loss	2,672
Asset-backed securities issued by GSEs and U.S. Agencies [Member]
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	6,955
Less than 12 months, unrealized loss	38
More than 12 months, fair value	70,752
More than 12 months, unrealized loss	2,483
Total, fair value	77,707
Total, unrealized loss	2,521
Callable GSE 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
Asset-backed securities issued by Others [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	441
More than 12 months, unrealized loss	41
Total, fair value	441
Total, unrealized loss	$ 41