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, 2018		Sep. 30, 2018		Jun. 30, 2018		Mar. 31, 2018		Dec. 31, 2017		Sep. 30, 2017		Jun. 30, 2017		Mar. 31, 2017		Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Net income																					$ 11,228	$ 7,208	$ 7,331
Net income available to common shareholders	$ 3,817		$ 3,857		$ 2,334		$ 1,220		$ (459)		$ 2,782		$ 2,543		$ 2,342		$ 2,022	$ 1,963	$ 1,738	$ 1,608
Average number of common shares outstanding																					5,550,510	4,627,776	4,599,502
Dilutive effect of common stock equivalents																						1,452
Average number of shares used to calculate diluted EPS																					5,550,510	4,629,228	4,599,502
Earnings Per Share, Basic	$ 0.69	[1]	$ 0.70	[1]	$ 0.42	[1]	$ 0.22	[1]	$ (0.10)		$ 0.60		$ 0.55		$ 0.51		$ 0.44	$ 0.43	$ 0.38	$ 0.35	$ 2.02	$ 1.56	$ 1.59
Earnings Per Share, Diluted	$ 0.69	[1]	$ 0.70	[1]	$ 0.42	[1]	$ 0.22	[1]	$ (0.10)	[1]	$ 0.60	[1]	$ 0.55	[1]	$ 0.51	[1]	$ 0.44	$ 0.42	$ 0.38	$ 0.35	$ 2.02	$ 1.56	$ 1.59

[1] Earnings per share are based upon quarterly results and, when added, may not total the annual earnings per share amounts.