Stock-Based Compensation (Details) - Disclosure of Share-based Compensation Arrangements by Share-based Payment Award $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Beginning balance | shares	535,906
Granted | shares
Exercised | shares	(38,735)
Forfeited/cancelled/expired | shares	(45,010)
Ending balance | shares	452,161
Exercisable Ending Balance | shares	448,631
Outstanding Beginning Balance, Weighted-Average Exercise Price | $ / shares	$ 6.48
Granted, Weighted-Average Exercise Price | $ / shares
Exercised, Weighted-Average Exercise Price | $ / shares	6.32
Forfeited/cancelled/expired, Weighted-Average Exercise Price | $ / shares	10.59
Outstanding Ending Balance, Weighted-Average Exercise Price | $ / shares	6.09
Exercisable Ending Balance, Weighted-Average Exercise Price | $ / shares	$ 6.02
Outstanding Ending Balance - Weighted Average Remaining Contractual Term (In Years)	2 years 6 months 4 days
Exercisable Ending Balance - Weighted Average Remaining Contractual Term (In Years)	2 years 5 months 19 days
Outstanding Ending Balance - Aggregate Intrinsic Value | $	$ 5,412,898
Exercisable Ending Balance - Aggregate Intrinsic Value | $	$ 4,674,682