Income Per Share (Tables)
 9 Months Ended
Sep. 30, 2014
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Loss Per Share
The table below is a reconciliation of the numerator and denominator used in the computation of basic and diluted income per share (dollars in thousands):
 
Three Months 
 Ended September 30,
 
Nine Months Ended 
 September 30,
 
2014
 
2013
 
2014
 
2013
Basic and diluted income (loss):
 
 
 
 
 
 
 
Income (loss) from continuing operations
$
5,728

 
$
(23,139
)
 
$
(73,704
)
 
$
(41,505
)
Gain on dispositions of assets
1,251

 
—

 
1,683

 
—

Less: income attributable to unvested restricted stock
(215
)
 
(303
)
 
(882
)
 
(1,001
)
Income (loss) used in basic and diluted income (loss) per share from continuing operations
6,764

 
(23,442
)
 
(72,903
)
 
(42,506
)
Income (loss) from discontinued operations
691

 
1,231

 
4,109

 
(404
)
Net income (loss) attributable to common stockholders used in basic and diluted income (loss) per share
$
7,455

 
$
(22,211
)
 
$
(68,794
)
 
$
(42,910
)
 
 
 
 
 
 
 
 
Basic and diluted weighted average shares of common stock outstanding:
 
 
 
 
 
 
 
Weighted average shares of common stock outstanding
398,799,661

 
331,946,412

 
384,485,286

 
219,005,588

Less: unvested weighted average shares of restricted stock
(1,992,005
)
 
(2,418,538
)
 
(1,959,672
)
 
(2,256,210
)
Weighted average number of shares outstanding used in basic income (loss) per share
396,807,656

 
329,527,874

 
382,525,614

 
216,749,378

 
 
 
 
 
 
 
 
Dilutive weighted average shares of common stock (a)
 
 
 
 
 
 
 
Unvested performance shares
800,717

 
—

 
—

 
—

Stock options
5,210

 
—

 
—

 
—

Weighted average number of shares of common stock used in dilutive income (loss) per share
397,613,583

 
329,527,874

 
382,525,614

 
216,749,378

 
 
 
 
 
 
 
 
Potentially dilutive shares of common stock
 
 
 
 
 
 
 
Unvested shares of restricted stock
761,523

 
607,505

 
787,546

 
761,617

Unvested performance shares
—

 
94,711

 
736,104

 
31,917

Stock options
—

 
—

 
5,033

 
—

Total
761,523

 
702,216

 
1,528,683

 
793,534

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