Share-Based Compensation - Schedule of Compensation Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Share-based Compensation [Abstract]
Stock options	$ 245	$ 273	$ 815	$ 699
Restricted stock	261	252	557	348
Performance shares	41	208	333	404
Stock Grants Expense	270	300	270	300
Total stock-based compensation expense	$ 817	$ 1,033	$ 1,975	$ 1,751