Equity Awards (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity

Information related to stock options at December 31, 2014 is as follows:

	Number of Stock Options		Weighted Average Option Price		Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2014	342,448		$	9.92
Exercised	(90,781	)	19.72
Cancelled	—		—
Expired	—		—
Outstanding at December 31, 2014	251,667		$	6.39	3.5	$	6,266,389

Schedule of Share-based Compensation, Restricted Stock Units Award Activity

Information related to restricted shares at December 31, 2014 is as follows:

	Number of Unvested Restricted Shares		Weighted Average Grant Date Fair Value		Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2014	654,400		$	26.00
Granted	356,413		33.17
Vested	(262,714	)	25.53
Cancelled	(22,640	)	29.51
Outstanding at December 31, 2014	725,459		$	29.59	0.9	$	22,699,612