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Equity (Tables) | 6 Months Ended
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Jun. 30, 2019
Equity [Abstract] |
Schedule of share redemption activity | The following table summarizes share redemption (excluding the self-tender offer) activity during the three and six months ended June 30, 2019 and 2018:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Shares of common stock redeemed |  | — |  |  | 6,700,875 |  |  | — |  |  | 6,701,939 |
Weighted average price per share |  | $ | — |  |  | $ | 9.59 |  |  | $ | — |  |  | $ | 9.59 |

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