Securities (Schedule of Unrealized Loss on Investments, HTM) (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	$ 2,732,000	$ 6,955,000
Less than 12 months, unrealized loss	12,000	38,000
More than 12 months, fair value	62,271,000	76,092,000
More than 12 months, unrealized loss	1,261,000	2,634,000
Total, fair value	65,003,000	83,047,000
Total, unrealized loss	1,273,000	2,672,000
Asset-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, fair value	2,732,000	6,955,000
Less than 12 months, unrealized loss	12,000	38,000
More than 12 months, fair value	56,849,000	70,752,000
More than 12 months, unrealized loss	1,211,000	2,483,000
Total, fair value	59,581,000	77,707,000
Total, unrealized loss	1,223,000	2,521,000
US Government Agencies Callable Agency Bonds [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	4,976,000	4,899,000
More than 12 months, unrealized loss	31,000	110,000
Total, fair value	4,976,000	4,899,000
Total, unrealized loss	31,000	110,000
Asset-backed Securities, Issued by Private Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
More than 12 months, fair value	446,000	441,000
More than 12 months, unrealized loss	19,000	41,000
Total, fair value	446,000	441,000
Total, unrealized loss	$ 19,000	$ 41,000