Equity Awards (Tables)

6 Months Ended

Jun. 30, 2015

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

Schedule of Share-based Compensation, Stock Options, Activity

Information related to stock options at June 30, 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	(31,396	)	13.77
Cancelled	(4,871	)	7.04
Expired	(2,500	)	23.00
Outstanding at June 30, 2015	212,900		$	5.09	3.2	$	5,217,728

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

Information related to restricted shares at June 30, 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	241,450		29.98
Vested	(265,449	)	28.83
Cancelled	(173,698	)	29.75
Outstanding at June 30, 2015	527,762		$	30.10	1.1	$	15,621,755