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Earnings Per Common Share (Tables) | 9 Months Ended
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Sep. 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 nine months ended September 30, 2018 and 2017:
| Quarters Ended September 30, |  | Nine Months Ended September 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 | $ | 56,070 |  |  | $ | 48,525 |  |  | $ | 162,429 |  |  | $ | 144,911 |
Amounts allocated to dilutive securities | 3,590 |  |  | 3,286 |  |  | 10,569 |  |  | 9,825 |
Net income available for Common Stockholders – fully dilutive | $ | 59,660 |  |  | $ | 51,811 |  |  | $ | 172,998 |  |  | $ | 154,736 |
Denominator: |  |  |  |  |  |  |
Weighted average Common Shares outstanding – basic | 89,200 |  |  | 87,037 |  |  | 88,760 |  |  | 86,620 |
Effect of dilutive securities: |  |  |  |  |  |  |
Exchange of Common OP Units for Common Shares | 5,771 |  |  | 5,836 |  |  | 5,808 |  |  | 6,100 |
Stock options and restricted shares | 292 |  |  | 451 |  |  | 259 |  |  | 415 |
Weighted average Common Shares outstanding – fully diluted | 95,263 |  |  | 93,324 |  |  | 94,827 |  |  | 93,135 |
Earnings per Common Share – Basic: |  |  |  |  |  |  |
Net income available for Common Stockholders | $ | 0.63 |  |  | $ | 0.56 |  |  | $ | 1.83 |  |  | $ | 1.67 |
Earnings per Common Share – Fully Diluted: |  |  |  |  |  |  |
Net income available for Common Stockholders | $ | 0.63 |  |  | $ | 0.56 |  |  | $ | 1.82 |  |  | $ | 1.66 |

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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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