Earnings Per Share (Computations Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Line Items]
Anti-dilutive stock options			0	23,400
Net income	$ 6,280	$ 5,278	$ 13,723	$ 3,662
Net Income (Loss) Available to Common Stockholders, Basic	$ 6,280	$ 5,278	$ 13,723	$ 3,662
Basic EPS, Common Shares (Denominator) (in shares)	12,366,522	12,288,514	12,362,679	11,517,721
Basic EPS (in dollars per share)	$ 0.51	$ 0.43	$ 1.11	$ 0.32
Diluted EPS, Stock options, Common Shares (Denominator) (in shares)	7,814	10,593	7,668	11,549
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	57,648	80	55,405	17,455
Diluted EPS, Income (Numerator)	$ 6,280	$ 5,278	$ 13,723	$ 3,662
Diluted EPS, Common Shares (Denominator) (in shares)	12,431,984	12,299,187	12,425,751	11,546,725
Diluted EPS (in dollars per share)	$ 0.51	$ 0.43	$ 1.10	$ 0.32