Share-Based Compensation - Schedule of Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Share-based Compensation [Abstract]
Stock options	$ 454	$ 245	$ 702	$ 815
Restricted stock	392	261	638	557
Performance shares	46	41	(265)	333
Stock Grants Expense	510	270	510	270
Total stock-based compensation expense	$ 1,402	$ 817	$ 1,585	$ 1,975