XML 33 R21.htm IDEA: XBRL DOCUMENT v3.8.0.1
Earnings Per Share
3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Earnings Per Share

15. 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
March 31,
20182017
Numerator for basic and diluted earnings
per share - net income (loss) attributable
to common stockholders $437,671$312,639
Denominator for basic earnings per
share - weighted average shares 371,426362,534
Effect of dilutive securities:
Employee stock options 1570
Non-vested restricted shares 720397
Redeemable shares1,0961,651
Dilutive potential common shares 1,8312,118
Denominator for diluted earnings per
share - adjusted weighted average shares 373,257364,652
Basic earnings per share $1.18$0.86
Diluted earnings per share $1.17$0.86

The Series I Cumulative Convertible Perpetual Preferred Stock was not included in the calculations as the effect of conversions into common stock was anti-dilutive.