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Earnings (Loss) Per Share and Equity Transactions (Tables) | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table reconciles the amounts used in calculating basic and diluted income (loss) per share:
| Year ended December 31,
| 2017 |  | 2016 |  | 2015
Net income (loss) from continuing operations | $ | 57,954 |  |  | $ | 119,199 |  |  | $ | (25,300 | )
Dividends declared on common stock | (53,758 | ) |  | (83,633 | ) |  | (138,614 | )
Undistributed income allocated to unvested shares | (15 | ) |  | (10 | ) |  | — |
Undistributed income (loss) | 4,181 |  |  | 35,556 |  |  | (163,914 | )
Dividends declared on common stock | 53,758 |  |  | 83,633 |  |  | 138,614 |
Distributed and undistributed income (loss) from continuing operations, basic and diluted | $ | 57,939 |  |  | $ | 119,189 |  |  | $ | (25,300 | )
Income from discontinued operations allocated to common stockholders | $ | 3,839 |  |  | $ | 133,523 |  |  | $ | 28,764 |
Weighted average shares outstanding: |  |  |  |  |
Weighted average shares outstanding, basic and diluted | 773,445,341 |  |  | 854,638,497 |  |  | 861,830,627 |
Basic and diluted income (loss) per share: |  |  |  |  |
Income (loss) from continuing operations allocated to common shareholders per share: | $ | 0.07 |  |  | $ | 0.14 |  |  | $ | (0.03 | )
Income from discontinued operations allocated to common shareholders per share: | $ | — |  |  | $ | 0.15 |  |  | $ | 0.04 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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