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Share Incentive and Other Compensation (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Unvested Restricted Shares and LTIP Units | A summary of the status of the Company’s unvested Restricted Shares and LTIP Units is presented below:
Unvested Restricted Shares and LTIP Units |  | Common Restricted Shares |  | Weighted Grant-Date Fair Value |  | LTIP Units |  | Weighted Grant-Date Fair Value
Unvested at January 1, 2016 |  | 49,899 |  |  | $ | 25.90 |  |  | 1,020,121 |  |  | $ | 23.92 |
Granted |  | 21,675 |  |  | 33.35 |  |  | 359,484 |  |  | 34.40 |
Vested |  | (24,886 | ) |  | 29.17 |  |  | (522,680 | ) |  | 26.08 |
Forfeited |  | (189 | ) |  | 35.37 |  |  | (48 | ) |  | 35.37 |
Unvested at December 31, 2016 |  | 46,499 |  |  | 27.58 |  |  | 856,877 |  |  | 26.99 |
Granted |  | 19,442 |  |  | 29.85 |  |  | 310,551 |  |  | 31.80 |
Vested |  | (23,430 | ) |  | 30.47 |  |  | (257,124 | ) |  | 28.27 |
Forfeited |  | (1,184 | ) |  | 32.65 |  |  | (205 | ) |  | 32.49 |
Unvested at December 31, 2017 |  | 41,327 |  |  | $ | 26.92 |  |  | 910,099 |  |  | $ | 28.28 |

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