20.	Earnings Per Share

The following table provides a summary of net income (loss) and the number of common shares used in the computation of basic and diluted income (loss) per common share, which includes the weighted average number of common shares outstanding and the effect of dilutive potential common shares, if any.


	For the Year Ended December 31,
(Amounts in thousands, except per share amounts)	2017			2016			2015
Numerator:
Net income (loss) attributable to common stockholders	$	86,381		$	(9,934	)	$	(4,419	)
Earnings allocated to unvested participating securities		(98	)		(37	)		-
Numerator for income (loss) per common share - basic and diluted	$	86,283		$	(9,971	)	$	(4,419	)
Denominator:
Denominator for basic income (loss) per common share - weighted average shares		236,373			218,053			212,107
Effect of dilutive employee stock options and restricted share awards ⁽¹⁾		29			-			-
Denominator for diluted income (loss) per common share - weighted average shares		236,402			218,053			212,107

Income (loss) per common share - basic and diluted	$	0.37		$	(0.05	)	$	(0.02	)

⁽¹⁾

The effect of dilutive securities for the years ended December 31, 2017, 2016 and 2015 excludes 30,848, 48,113 and 53,281 weighted average share equivalents, respectively, as their effect was anti-dilutive.