FHLB Advances (FHLB Advances) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fixed rate, fixed term advances, amount	$ 7,500	$ 11,750
Fixed term advances with floating spread, amount	4,000	6,000
Total FHLB advances	$ 11,500	$ 17,750
Minimum [Member]
Fixed rate advances, weighted average rate	1.62%	1.42%
Fixed term advances with floating spread	1.69%	1.54%
Maximum [Member]
Fixed rate advances, weighted average rate	2.70%	2.70%
Fixed term advances with floating spread	2.09%	2.05%