Earnings per Share (Schedule of Earnings Per Share, Basic and Diluted) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic earnings per share computation:
Net income available to common shareholders	$ 9,756	$ 2,732
Average common shares outstanding - basic (in shares)	15,011,573	14,395,103
Basic earnings per share (in dollars per share)	$ 0.65	$ 0.19
Diluted earnings per share computation:
Net income available to common shareholders	$ 9,756	$ 2,732
Average common shares outstanding - basic (in shares)	15,011,573	14,395,103
Incremental shares from assumed conversions:
Stock options and restricted stock (in shares)	100,374	84,568
Average common shares outstanding - diluted (in shares)	15,111,947	14,479,671
Diluted earnings per share (in dollars per share)	$ 0.65	$ 0.19