Earnings Per Share (Schedule of Earnings Per Share, Basic and Diluted) (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, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Net Income													$ 15,272	$ 11,228	$ 7,208
Average number of common shares outstanding (in shares)													5,560,588	5,550,510	4,627,776
Dilutive effect of common stock equivalents (in shares)													0	0	1,452
Average number of shares used to calculate diluted EPS (in shares)													5,560,588	5,550,510	4,629,228
Basic	$ 0.73	$ 0.66	$ 0.65	$ 0.70	$ 0.69	$ 0.70	$ 0.42	$ 0.22	$ (0.10)	$ 0.60	$ 0.55	$ 0.51	$ 2.75	$ 2.02	$ 1.56
Diluted (in dollars per share)	$ 0.73	$ 0.66	$ 0.65	$ 0.70	$ 0.69	$ 0.70	$ 0.42	$ 0.22	$ (0.10)	$ 0.60	$ 0.55	$ 0.51	$ 2.75	$ 2.02	$ 1.56