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Equity Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2017
Stockholders' Equity Note [Abstract] |
Summary of Outstanding OP Units and Unvested Class B Units | Below is a summary of our number of outstanding OP units and unvested Class B units as of December 31, 2017 and 2016 (in thousands):
| 2017 |  | 2016
OP units | 44,454 |  |  | 2,785 |
Class B units(1) | — |  |  | 2,610 |

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