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Earnings per Share and Unit (Tables) | 3 Months Ended
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Mar. 31, 2017
Parent Company [Member] |
Schedule of earnings per share | The following summarizes the calculation of basic and diluted earnings per share:
|  | Three months ended March 31,
(in thousands, except per share data) |  | 2017 |  | 2016
Numerator: |  |  |  |
(Loss) income from operations attributable to common stockholders - basic |  | $ | (33,223 | ) |  | 47,877 |
(Loss) income from operations attributable to common stockholders - diluted |  | $ | (33,223 | ) |  | 47,877 |
Denominator: |  |  |  |
Weighted average common shares outstanding for basic EPS |  | 126,649 |  |  | 97,518 |
Weighted average common shares outstanding for diluted EPS (1) |  | 126,649 |  |  | 97,891 |
(Loss) income per common share – basic |  | $ | (0.26 | ) |  | 0.49 |
(Loss) income per common share – diluted |  | $ | (0.26 | ) |  | 0.49 |
(1) 2016 includes the dilutive impact of unvested restricted stock and shares issuable under the forward equity offering using the treasury stock method.
Partnership Interest [Member] |
Schedule of earnings per share | The following summarizes the calculation of basic and diluted earnings per unit:
|  | Three months ended March 31,
(in thousands, except per share data) |  | 2017 |  | 2016
Numerator: |  |  |  |
(Loss) income from operations attributable to common unit holders - basic |  | $ | (33,242 | ) |  | 47,962 |
(Loss) income from operations attributable to common unit holders - diluted |  | $ | (33,242 | ) |  | 47,962 |
Denominator: |  |  |  |
Weighted average common units outstanding for basic EPU |  | 126,803 |  |  | 97,672 |
Weighted average common units outstanding for diluted EPU (1) |  | 126,803 |  |  | 98,045 |
(Loss) income per common unit – basic |  | $ | (0.26 | ) |  | 0.49 |
(Loss) income per common unit – diluted |  | $ | (0.26 | ) |  | 0.49 |
(1) 2016 includes the dilutive impact of unvested restricted stock and the forward equity offering using the treasury stock method.

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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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