v3.8.0.1

Common Share Capitalization (Tables) | 9 Months Ended
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Sep. 30, 2017
Stockholders' Equity Note [Abstract] |
Summary of Common Shares Outstanding | The following table summarizes issuance, repurchase, and other activity with respect to the Company's common shares for the three and nine month periods ended September 30, 2017 and 2016:
|  | Three Month Period Ended |  | Nine Month Period Ended
|  | September 30, 2017 |  | September 30, 2016 |  | September 30, 2017 |  | September 30, 2016
Common Shares Outstanding (6/30/2017, 6/30/2016, 12/31/2016, and 12/31/2015, respectively) |  | 32,112,697 |  |  | 32,743,356 |  |  | 32,294,703 |  |  | 33,126,012 |
Share Activity: |  |  |  |  |  |  |  |
Shares repurchased |  | (123,321 | ) |  | (126,771 | ) |  | (305,327 | ) |  | (509,427 | )
Director LTIP Units exercised |  | 2,801 |  |  | 2,475 |  |  | 2,801 |  |  | 2,475 |
Common Shares Outstanding (9/30/2017, 9/30/2016, 9/30/2017, and 9/30/2016, respectively) |  | 31,992,177 |  |  | 32,619,060 |  |  | 31,992,177 |  |  | 32,619,060 |

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