Income Per Share - Schedule of Reconciliation of the Numerator and Denominator Used in the Computation of Basic and Diluted Income Per Share (Details) - USD ($)
$ in Thousands |
3 Months Ended |
Mar. 31, 2015 |
Mar. 31, 2014 |
| Basic and diluted earnings: |
|
|
| Income from continuing operations |
$ 13,185
|
$ 9,266
|
| Gain on dispositions of assets |
9,151
|
1,535
|
| Less: income attributable to unvested restricted stock |
(209)
|
(333)
|
| Income used in basic and diluted income per share from continuing operations |
22,127
|
10,468
|
| Income from discontinued operations |
227
|
3,047
|
| Net income attributable to common stockholders used in basic and diluted income per share |
$ 22,354
|
$ 13,515
|
| Basic weighted average shares of common stock outstanding: |
|
|
| Weighted average shares of common stock outstanding (in shares) |
412,195,685
|
370,535,587
|
| Less: unvested weighted average shares of restricted stock (in shares) |
(1,177,790)
|
(1,850,645)
|
| Weighted average number of shares outstanding used in basic income (loss) per share (in shares) |
411,017,895
|
368,684,942
|
| Dilutive weighted average shares of common stock |
|
|
| Weighted average number of shares of common stock used in dilutive income (loss) per share (in shares) |
411,622,434
|
369,387,638
|
| Dilutive shares (in shares) |
457,283
|
688,348
|
| Unvested shares of restricted stock |
|
|
| Dilutive weighted average shares of common stock |
|
|
| Dilutive shares (in shares) |
457,283
|
688,348
|
| Unvested performance shares |
|
|
| Dilutive weighted average shares of common stock |
|
|
| Dilutive weighted average share of common stock (in shares) |
598,015
|
697,638
|
| Stock options |
|
|
| Dilutive weighted average shares of common stock |
|
|
| Dilutive weighted average share of common stock (in shares) |
6,524
|
5,058
|