Share-Based Compensation - Summary of Grant Date Fair Value of Awards (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options	$ 3,685	$ 817	$ 841
Restricted stock	2,985	5,024	2,306
Total	$ 6,670	$ 5,841	$ 3,147