Share Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

A summary of activity under our Stock Incentive Plan during the year ended December 31, 2014 is presented below:



Options	Number		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at January 1, 2014	619,833		$	24.77
Exercised	(61,495	)	6.55
Forfeited/expired	(14,167	)	23.76
Outstanding, fully vested and exercisable at December 31, 2014 (1)	544,171		$	26.85	2.78	$	3,794


(1)	As the result of actions in 2011 that were determined to be a "change of control" under the Stock Incentive Plan, all options will remain exercisable for their respective remaining term, regardless of whether the awardees remain employees of Century.

Service-based share awards activity



Service-based share awards
Outstanding at January 1, 2014	442,737
Granted	258,662
Vested	(200,965	)
Forfeited	(35,949	)
Outstanding at December 31, 2014	464,485



	Year ended December 31,
	2014		2013		2012
Weighted average per share fair value of service-based share grants	$	15.31	$	8.19	$	8.14
Total intrinsic value of option exercises	1,011		13		—

Share-based compensation expense

The following table summarizes the compensation cost recognized for the years ended December 31, 2014, 2013 and 2012 for all options, service-based share and performance-based share awards. No share-based compensation cost was capitalized during these periods and there were no significant modifications (other than the accelerated vesting in 2011 described above) of any share-based awards in 2014, 2013 and 2012.



	Year ended December 31,
	2014		2013		2012
Share-based compensation expense reported:
Performance-based share expense	$	1,090	$	475	$	27
Service-based share expense	244		603		586
Stock option expense	—		—		—
Total share-based compensation expense before income tax	1,334		1,078		613
Income tax	—		—		—
Total share-based compensation expense, net of income tax	$	1,334	$	1,078	$	613