Shareholders' Equity (Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Stockholders' Equity Note [Abstract]
Net income	$ 3,661	$ 4,160	$ 7,773	$ 8,358
Net income available to common shareholders	3,661	4,160	7,773	8,358
Net income available to common shareholders plus assumed conversions	$ 3,661	$ 4,160	$ 7,773	$ 8,358
Net income available to common shareholders (in shares)	13,947,000	13,694,000	13,965,000	13,646,000
Effect of dilutive securities, stock options (in shares)	220,000	292,000	238,000	300,000
Net income available to common shareholders plus assumed conversions (in shares)	14,167,000	13,986,000	14,203,000	13,946,000
Basic earnings per share (in dollars per share)	$ 0.26	$ 0.30	$ 0.56	$ 0.61
Diluted earnings per share (in dollars per share)	$ 0.26	$ 0.30	$ 0.55	$ 0.60
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]
Antidilutive shares	323,201	130,422	262,770	83,917