Equity Awards (Tables)

3 Months Ended

Mar. 31, 2015

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, 2015 is as follows:

	Number of Stock Options		Weighted Average Option Price		Average  Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding at January 1, 2015	251,667		$	6.39
Exercised	(27,720	)	15.46
Cancelled	—		—
Expired	(2,500	)	23.00
Outstanding at March 31, 2015	221,447		$	5.07	3.5	$	5,696,237

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

Information related to restricted shares at March 31, 2015 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, 2015	725,459		$	29.59
Granted	241,250		29.98
Vested	(260,343	)	29.08
Cancelled	(32,949	)	25.35
Outstanding at March 31, 2015	673,417		$	30.13	1.4	$	20,734,509