Stock Based Compensation (Stock Option Activity) (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($) $ / shares shares
Stock-based Compensation [Abstract]
Outstanding, Number of Options | shares	257,262
Outstanding, Weighted-Average Exercise Price | $ / shares	$ 10.61
Exercised, Number of Options | shares	(60,697)
Exercised, Weighted-Average Exercise Price | $ / shares	$ 9.95
Outstanding, Number of Options | shares	196,565
Outstanding, Weighted-Average Exercise Price | $ / shares	$ 10.82
Outstanding, Weighted-Average Remaining Contractual Term	2 years 2 months 27 days
Outstanding, Aggregate Intrinsic Value | $	$ 3,495
Exercisable, Number of Options | shares	196,115
Exercisable, Weighted-Average Exercise Price | $ / shares	$ 10.80
Exercisable, Weighted-Average Remaining Contractual Term	2 years 2 months 19 days
Exercisable, Aggregate Intrinsic Value | $	$ 3,491