Equity Awards (Tables)

3 Months Ended

Mar. 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 March 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	(9,897	)	14.35
Cancelled	—		—
Expired	—		—
Outstanding at March 31, 2014	332,551		$	9.79	3.8	$	7,784,652

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

Information related to restricted shares at March 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	346,451		33.28
Vested	(241,439	)	26.16
Cancelled	(2,571	)	27.38
Outstanding at March 31, 2014	756,841		$	29.28	1.6	$	25,048,172