Share-Based Compensation (Summary of Grant Date Fair Value of Awards) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options	$ 2,874	$ 780
Restricted stock	2,600	1,899
Total	$ 5,474	$ 2,679

Total fair value of options and restricted stock awarded during period.

No definition available.

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