Investment Securities (Schedule of maturities of debt securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Amortized Cost
Within 1 year	$ 1,075	$ 1,221
After 1 but within 5 years	13,443	17,253
After 5 but within 10 years	7,056	1,975
After 10 years	180	734
Total Maturities	21,754	21,183
Mortgage-backed securities	92,951	82,965
Other	541	425
Amortized Cost	115,246	104,573
Fair Value
Within 1 year	1,074	1,210
After 1 but within 5 years	13,374	16,780
After 5 but within 10 years	7,181	1,945
After 10 years	180	736
Total Maturities	21,809	20,671
Mortgage-backed securities	93,298	80,216
Other	598	425
Fair Value	$ 115,705	$ 101,312