Earnings (loss) per Share

12 Months Ended

Dec. 31, 2014

Earnings Per Share [Abstract]

Earnings (loss) per Share

21. Earnings (loss) per Share

The following table illustrates the computation of basic and diluted earnings (loss) per common share:

	Year Ended December 31,
	2014			2013			2012
Net income (loss)	$	(117,232	)	$	(64,203	)	$	110,038
Weighted average common stock outstanding
Basic		34,055,513			35,232,194			36,567,684
Diluted		34,055,513			35,232,194			37,533,391
Earnings (loss) per share
Basic	$	(3.44	)	$	(1.82	)	$	3.01
Diluted	$	(3.44	)	$	(1.82	)	$	2.93

The following outstanding instruments were excluded from the computation of diluted earnings (loss) per share, as they would have an anti-dilutive effect on the calculation:

	Year Ended December 31,
	2014		2013		2012
Options		3,215,945		2,944,645		255,023
Warrants		—		1,426,330		1,874,977