Investment Securities (Schedule of continuous unrealized loss position for investment securities - AFS) (Details) $ in Thousands	Sep. 30, 2019 USD ($) security	Dec. 31, 2018 USD ($) security
Available-For-Sale Securities [Abstract]
Less than Twelve Months Number of individual securities | security	2	1
Twelve Months or More Number of individual securities | security	9	12
Total Number of Individual Securities | security	11	13
Less than Twelve Months, unrealized losses	$ 4	$ 0
Twelve Months or More, unrealized losses	40	263
Total Unrealized Losses	44	263
Less than Twelve Months, fair value	1,139	203
Twelve Months or More, fair value	9,757	13,194
Total Fair Value	$ 10,896	$ 13,397
U.S. Government and agency obligations
Available-For-Sale Securities [Abstract]
Less than Twelve Months Number of individual securities | security	1	0
Twelve Months or More Number of individual securities | security	5	8
Total Number of Individual Securities | security	6	8
Less than Twelve Months, unrealized losses	$ 4	$ 0
Twelve Months or More, unrealized losses	10	162
Total Unrealized Losses	14	162
Less than Twelve Months, fair value	1,000	0
Twelve Months or More, fair value	6,595	9,445
Total Fair Value	$ 7,595	$ 9,445
Mortgage-backed securities - residential
Available-For-Sale Securities [Abstract]
Less than Twelve Months Number of individual securities | security	1	1
Twelve Months or More Number of individual securities | security	4	4
Total Number of Individual Securities | security	5	5
Less than Twelve Months, unrealized losses	$ 0	$ 0
Twelve Months or More, unrealized losses	30	101
Total Unrealized Losses	30	101
Less than Twelve Months, fair value	139	203
Twelve Months or More, fair value	3,162	3,749
Total Fair Value	$ 3,301	$ 3,952