Income Per Share (Tables)
9 Months Ended
Sep. 30, 2016
Earnings Per Share [Abstract]  
Reconciliation of the Numerator and Denominator Used in the Computation of Basic and Diluted Income Per Share
The table below is a reconciliation of the numerator and denominator used in the computation of basic and diluted net income per share computed using the two-class method (dollars in thousands):
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2016
 
2015
 
2016
 
2015
Basic and diluted income:
 
 
 
 
 
 
 
Income from continuing operations
$
9,439

 
$
9,053

 
$
57,237

 
$
19,940

Gain on disposition of assets
17,960

 
5,991

 
39,221

 
66,291

Less: income attributable to unvested restricted stock
(192
)
 
(132
)
 
(430
)
 
(566
)
Income used in basic and diluted income per share from continuing operations
27,207

 
14,912

 
96,028

 
85,665

(Loss) income from discontinued operations

 
(41
)
 

 
680

Net income attributable to common stockholders used in basic and diluted income per share
$
27,207

 
$
14,871

 
$
96,028

 
$
86,345

 
 
 
 
 
 
 
 
Basic weighted average shares of common stock outstanding:
 
 
 
 
 
 
 
Weighted average shares of common stock outstanding
480,326,857

 
441,512,930

 
457,992,378

 
430,650,925

Less: unvested weighted average shares of restricted stock
(772,495
)
 
(1,307,582
)
 
(728,852
)
 
(1,263,218
)
Weighted average shares of common stock outstanding used in basic income per share
479,554,362

 
440,205,348

 
457,263,526

 
429,387,707

Net income per share attributable to common stockholders—basic
$
0.06

 
$
0.03

 
$
0.21

 
$
0.20

 
 
 
 
 
 
 
 
Diluted weighted average shares of common stock outstanding: (1)
 
 
 
 
 
 
 
Unvested performance shares
67,506

 
147,098

 
33,938

 
347,055

Stock options
4,688

 
1,519

 
4,159

 
4,014

Convertible debt
972,054

 

 

 

Weighted average shares of common stock outstanding used in diluted income per share
480,598,610

 
440,353,965

 
457,301,623

 
429,738,776

Net income per share attributable to common stockholders—diluted
$
0.06

 
$
0.03

 
$
0.21

 
$
0.20

 
 
 
 
 
 
 
 
Potentially dilutive shares of common stock
 
 
 
 
 
 
 
Unvested shares of restricted stock
181,667

 
271,462

 
121,230

 
393,164

Total
181,667

 
271,462

 
121,230

 
393,164


(1)  Assumes the most dilutive issuance of potentially issuable shares between the two-class and treasury stock method unless the result would be anti-dilutive.