Earnings Per Share Schedule of Earnings Per Share, Basic (Details) - USD ($) $ / shares in Units, $ 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
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 2,759	$ 2,738	$ 2,530	$ 2,621	$ (436)	$ 2,311	$ 2,450	$ 2,747	$ 10,648	$ 7,072
Weighted average common shares outstanding									4,468,336	4,465,675
Basic earnings per share	$ 0.61	$ 0.62	$ 0.56	$ 0.59	$ (0.10)	$ 0.52	$ 0.54	$ 0.62	$ 2.38	$ 1.58