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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Summary Of Basic And Diluted Earnings Per Share | Basic and diluted EPS for the years ended December 31, 2017, 2016, and 2015 were as follows:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (in thousands, except per share data)
Numerator: |  |  |  |  |
Net loss attributable to common stockholders - basic and diluted | $ | (5,294 | ) |  | $ | (31,738 | ) |  | $ | (98,007 | )
Denominator: |  |  |  |  |  |  |  |
Weighted average common shares outstanding - basic and diluted | 72,255 |  |  | 73,371 |  |  | 75,604 |
Net loss per common share: |  |  |  |  |
Basic | $ | (0.07 | ) |  | $ | (0.43 | ) |  | $ | (1.30 | )
Diluted | $ | (0.07 | ) |  | $ | (0.43 | ) |  | $ | (1.30 | )

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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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