Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Summary of Computation of Earnings Per Share

The following table provides a summary of net income 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 Three Months Ended						For the Nine Months Ended
	September 30,						September 30,
(Amounts in thousands, except per share amounts)	2018			2017			2018			2017
Numerator:
Net income (loss) attributable to common stockholders	$	37,531		$	(10,214	)	$	3,829		$	93,174
Earnings allocated to unvested participating securities		(27	)		(13	)		(63	)		(86	)
Numerator for income (loss) per common share - basic    and diluted	$	37,504		$	(10,227	)	$	3,766		$	93,088
Denominator:
Denominator for basic income (loss) per common share -    weighted average shares		240,448			239,446			240,366			235,151
Effect of dilutive stock-based compensation plans (1)		41			-			25			27
Denominator for diluted income (loss) per common    share - weighted average shares		240,489			239,446			240,391			235,178
Income (loss) per common share - basic and diluted	$	0.16		$	(0.04	)	$	0.02		$	0.40

⁽¹⁾ The effect of dilutive securities excludes 27,322 and 27,911 weighted average share equivalents for the three months ended September 30, 2018 and 2017, respectively, and 26,452 and 32,036 weighted average share equivalents for the nine months ended September 30, 2018 and 2017, respectively, as their effect was anti-dilutive.