Earning Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Schedule of loss per share basic and diluted

Diluted earnings per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock. 

	Three Months Ended September 30,				Nine Months Ended September 30,
	2014		2013		2014		2013
	(in thousands, except for per share data)
Numerator:
Net Income	$	35,575	$	40,604	$	57,827	$	34,775
Denominator:
Weighted average common stock shares outstanding - Basic	53,878		52,303		53,359		51,994
Assumed exercise of stock options and awards	848		1,209		1,061		1,166
Assumed conversion of convertible note premium	4,965		—		4,498		—
Assumed conversion of warrants	3,359		—		2,767		—
Weighted average common stock shares outstanding - Diluted	63,050		53,512		61,685		53,160
Net Income per common share
Basic	$	0.66	$	0.78	$	1.08	$	0.67
Diluted	$	0.56	$	0.76	$	0.94	$	0.65

Summary of common stock equivalents that could potentially dilute basic earnings per share in the future but were excluded from the computation of diluted loss per share because the instruments were antidilutive

The table below summarizes those common stock equivalents that could potentially dilute basic earnings per share in the future but were excluded from the computation of diluted earnings per share because the instruments were antidilutive. 

	Three Months Ended September 30,		Nine months ended September 30,
	2014	2013	2014	2013
	(in thousands)
Stock options	—	—	—	522
Deferred stock	—	—	—	58
Restricted stock	7	1,031	2	1,494
Convertible note premium	—	10,943	—	10,943
Warrants	—	10,943	—	10,943