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Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Schedule of computation of basic and diluted earnings per Common Share | The following table sets forth the computation of basic and diluted earnings per common share for the quarters and six months ended June 30, 2018 and 2017:
| Quarters Ended |  | Six Months Ended
| June 30, |  | June 30,
(amounts in thousands, except per share data) | 2018 |  | 2017 |  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |
Net Income Available for Common Stockholders: |  |  |  |  |  |  |
Net income available for Common Stockholders – basic | $ | 46,137 |  |  | $ | 39,498 |  |  | $ | 106,359 |  |  | $ | 96,385 |
Amounts allocated to dilutive securities | 3,024 |  |  | 2,649 |  |  | 6,979 |  |  | 6,539 |
Net income available for Common Stockholders – fully diluted | $ | 49,161 |  |  | $ | 42,147 |  |  | $ | 113,338 |  |  | $ | 102,924 |
Denominator: |  |  |  |  |  |  |
Weighted average Common Shares outstanding – basic | 88,549 |  |  | 86,763 |  |  | 88,537 |  |  | 86,408 |
Effect of dilutive securities: |  |  |  |  |  |  |
Exchange of Common OP Units for Common Shares | 5,826 |  |  | 5,886 |  |  | 5,827 |  |  | 6,235 |
Stock options and restricted shares | 248 |  |  | 414 |  |  | 236 |  |  | 398 |
Weighted average Common Shares outstanding – fully diluted | 94,623 |  |  | 93,063 |  |  | 94,600 |  |  | 93,041 |
Earnings per Common Share – Basic: |  |  |  |  |  |  |
Net income available for Common Stockholders | $ | 0.52 |  |  | $ | 0.46 |  |  | $ | 1.20 |  |  | $ | 1.12 |
Earnings per Common Share – Fully Diluted: |  |  |  |  |  |  |
Net income available for Common Stockholders | $ | 0.52 |  |  | $ | 0.45 |  |  | $ | 1.20 |  |  | $ | 1.11 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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