(Loss) Earnings Per Share of Common Stock - Additional Information (Detail) - shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
| Earnings Per Share [Abstract] | ||||
| Weighted average number of operating partnership units held by noncontrolling limited partners (in shares) | 913,552 | 1,449,258 | 945,236 | 1,449,258 |
| X | ||||||||||
- Definition Weighted Average Number of Operating Partnership Units Held By Noncontrolling Interest No definition available.
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| X | ||||||||||
- References No definition available.
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