Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

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 June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Numerator for basic and diluted earnings
per share - net income (loss) attributable
to common stockholders	$	154,432	$	188,429	$	592,103	$	501,068
Denominator for basic earnings per
share - weighted average shares	371,640		366,524		371,552		364,551
Effect of dilutive securities:
Employee stock options	14		50		15		60
Non-vested restricted shares	325		479		523		438
Redeemable shares	1,096		1,096		1,096		1,374
Dilutive potential common shares	1,435		1,625		1,634		1,872
Denominator for diluted earnings per
share - adjusted weighted average shares	373,075		368,149		373,186		366,423
Basic earnings per share	$	0.42	$	0.51	$	1.59	$	1.37
Diluted earnings per share	$	0.41	$	0.51	$	1.59	$	1.37