v3.10.0.1

Common Share Capitalization (Tables) | 6 Months Ended
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Jun. 30, 2018
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 six-month periods ended June 30, 2018 and 2017:
|  | Three-Month Period Ended June 30, 2018 |  | Three-Month Period Ended June 30, 2017 |  | Six-Month Period Ended June 30, 2018 |  | Six-Month Period Ended June 30, 2017
Common Shares Outstanding (3/31/2018, 3/21/2017, 12/31/2017, and 12/31/2016, respectively) |  | 30,392,041 |  |  | 32,164,215 |  |  | 31,335,938 |  |  | 32,294,703 |
Share Activity: |  |  |  |  |  |  |  |
Shares repurchased |  | (242,161 | ) |  | (51,518 | ) |  | (1,186,058 | ) |  | (182,006 | )
Director LTIP Units exercised |  | — |  |  | — |  |  | — |  |  | — |
Common Shares Outstanding (6/30/2018, 6/30/2017, 6/30/2018, and 6/30/2017, respectively) |  | 30,149,880 |  |  | 32,112,697 |  |  | 30,149,880 |  |  | 32,112,697 |

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