Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share (in thousands, except per share data):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Numerator for basic and diluted earnings
per share - net income (loss) attributable
to common stockholders	$	137,762	$	154,432	$	418,232	$	592,103
Denominator for basic earnings per
share - weighted average shares	404,607		371,640		398,073		371,552
Effect of dilutive securities:
Employee stock options	—		14		1		15
Non-vested restricted shares	955		325		911		523
Redeemable shares	1,096		1,096		1,096		1,096
Employee stock purchase program	15		—		15		—
Dilutive potential common shares	2,066		1,435		2,023		1,634
Denominator for diluted earnings per
share - adjusted weighted average shares	406,673		373,075		400,096		373,186
Basic earnings per share	$	0.34	$	0.42	$	1.05	$	1.59
Diluted earnings per share	$	0.34	$	0.41	$	1.05	$	1.59