Earnings Per Share (Computations Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Line Items]
Anti-dilutive stock options		33,600	23,400	57,000
Net income	$ 5,930	$ 4,281	$ 9,592	$ 12,586
Net income (loss) applicable to common shares	$ 5,930	$ 4,281	$ 9,592	$ 12,586
Basic EPS, Common Shares (Denominator) (in shares)	12,299,987	10,692,423	11,781,342	10,682,129
Basic EPS (in dollars per share)	$ 0.48	$ 0.40	$ 0.81	$ 1.18
Diluted EPS, Stock options, Common Shares (Denominator) (in shares)	10,911	12,865	11,336	8,774
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	8,061	21,851	14,324	1,443
Diluted EPS, Income (Numerator)	$ 5,930	$ 4,281	$ 9,592	$ 12,586
Diluted EPS, Common Shares (Denominator) (in shares)	12,318,959	10,727,139	11,807,002	10,692,346
Diluted EPS (in dollars per share)	$ 0.48	$ 0.40	$ 0.81	$ 1.18