Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share (Tables) [Abstract]

Computation of basic and diluted earnings per share

		Three Months Ended
		March 31,
		2016		2015
Numerator for basic and diluted earnings
	per share - net income (loss) attributable
	to common stockholders	$	148,969	$	190,799
Denominator for basic earnings per
	share - weighted average shares		355,076		336,754
Effect of dilutive securities:
	Employee stock options		101		200
	Non-vested restricted shares		253		416
	Redeemable shares		621		-
	Convertible senior unsecured notes		-		442
Dilutive potential common shares			975		1,058
Denominator for diluted earnings per
	share - adjusted weighted average shares		356,051		337,812
Basic earnings per share		$	0.42	$	0.57
Diluted earnings per share		$	0.42	$	0.56