Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

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

Stock-Based Compensation Expense

Stock-based compensation expense was recognized in the Consolidated Statements of Operations as follows:

	Year Ended December 31,
	2014		2013		2012
	(In thousands)
General and administrative expense	$	1,935	$	1,821	$	2,014
	$	1,935	$	1,821	$	2,014

Assumptions Used in Valuation of Option Granted

Assumptions used in the valuation of options granted in each period were as follows:

	Year Ended December 31,
	2014		2013		2012
Service-Based Awards
Dividend yield	0	%	0	%	0	%
Expected volatility	32	%	52	%	56	%
Average expected option life	5 years		5 years		5 years
Risk-free interest rate	1.7	%	1.3	%	0.8	%
	Year Ended December 31,
	2014		2013		2012
Performance-Based Awards
Dividend yield	0	%	0	%	0	%
Expected volatility	32	%	46	%	55	%
Average expected option life	4.8 years		4.7 years		5.5 years
Risk-free interest rate	1.7	%	1.8	%	0.8	%

Option Activity

Option activity of the Company is summarized below:

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
	(In thousands)				(In years)	(In thousands)
Outstanding at December 31, 2011	3,218		$	10.32
Options granted	293		14.91
Options exercised	(211	)	10.22
Options canceled/forfeited	(13	)	13.48
Outstanding at December 31, 2012	3,287		10.72
Options granted	120		15.61
Options exercised	(612	)	8.44
Options canceled/forfeited	(967	)	9.38
Outstanding at December 31, 2013	1,828		12.51
Options granted	31		19.38
Options exercised	(365	)	11.48
Options canceled/forfeited	(178	)	13.58
Outstanding at December 31, 2014	1,316		12.81		3.99	$	9,402
Options exercisable at December 31, 2014	537		12.13		2.54	4,201
Options vested and expected to vest at December 31, 2014	964		12.33		2.65	7,350
Shares available for future grant	2,638

Deferred Stock Unit, Performance-Based Stock Unit and Restricted Stock Activity

Deferred stock unit, performance-based stock unit and restricted stock activity are summarized below:

	Shares		Weighted Average Grant Date Fair Value
	(In thousands)
Unvested at December 31, 2012	347		$	13.85
Granted	167		17.45
Vested	(67	)	16.73
Forfeited	(130	)	13.35
Unvested at December 31, 2013	317		15.34
Granted	231		19.67
Vested	(78	)	17.91
Forfeited	(15	)	15.61
Unvested at December 31, 2014	455		17.09