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Summary Of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2017
Computation of Basic and Diluted Earnings (Loss) Per Common Share | The following table presents the Company’s computation of basic and diluted earnings (loss) per common share for the years ended December 31, 2017, 2016, and 2015:
|  | Years Ended December 31, |
(in thousands, except share and per share amounts) |  | 2017 |  |  | 2016 |  |  | 2015 |
Net income (loss) available to common shareholders |  | $ | 441,580 |  |  | $ | 495,401 |  |  | $ | (47,156 | )
Less: Dividends paid on and earnings/(loss) allocated to participating securities |  |  | (3,554 | ) |  |  | (3,795 | ) |  |  | (3,357 | )
Earnings/(loss) applicable to common stock |  | $ | 438,026 |  |  | $ | 491,606 |  |  | $ | (50,513 | )
Weighted average common shares outstanding |  |  | 487,073,951 |  |  |  | 485,150,173 |  |  |  | 448,982,223 |
Basic earnings (loss) per common share |  | $ | 0.90 |  |  | $ | 1.01 |  |  | $ | (0.11 | )
Earnings (loss) applicable to common stock |  | $ | 438,026 |  |  | $ | 491,606 |  |  | $ | (50,513 | )
Weighted average common shares outstanding |  |  | 487,073,951 |  |  |  | 485,150,173 |  |  |  | 448,982,223 |
Potential dilutive common shares |  |  | — |  |  |  | — |  |  |  | — |
Total shares for diluted earnings (loss) per common share computation |  |  | 487,073,951 |  |  |  | 485,150,173 |  |  |  | 448,982,223 |
Diluted earnings (loss) per common share and common share equivalents |  |  | $0.90 |  |  |  | $1.01 |  |  |  | $(0.11 | )

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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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