Parent Company Only Financial Information (Statements of Income) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Non-Interest Expenses	$ 4,051	$ 3,919	$ 3,947	$ 4,003	$ 4,056	$ 3,837	$ 3,782	$ 3,758	$ 15,920	$ 15,433	$ 14,360
Income before Income Taxes	1,358	1,403	932	1,049	1,127	1,202	1,167	1,089	4,742	4,585	4,563
Income tax benefit	186	191	127	151	127	144	161	153	655	585	1,185
Net Income	$ 1,172	$ 1,212	$ 805	$ 898	$ 1,000	$ 1,058	$ 1,006	$ 936	4,087	4,000	3,378
Parent Company [Member]
Interest income									151	152	140
Dividend distributed by bank subsidiary									2,500	2,000
Total Income									2,651	2,152	140
Non-Interest Expenses									343	411	362
Income before Income Taxes									2,308	1,741	(222)
Income tax benefit									(61)	(72)	(102)
Income (Loss) before undistributed net income of subsidiary									2,369	1,813	(120)
Equity in undistributed net income of subsidiary									1,718	2,187	3,498
Net Income									$ 4,087	$ 4,000	$ 3,378