Real Estate Dispositions, Held for Sale and Impairment Charges - Additional Information (Detail) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
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Jun. 30, 2018
USD ($)
property
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Jun. 30, 2017
USD ($)
|
Jun. 30, 2018
USD ($)
property
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Jun. 30, 2017
USD ($)
property
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Dec. 31, 2017
property
|
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| Real Estate Properties [Line Items] | |||||
| Number of properties sold | 2 | ||||
| Number of real estate properties, held for sale | 1 | 1 | |||
| Number of impaired assets, held and used | 0 | 0 | |||
| Impairment charge | $ | $ 0 | $ 253,000 | $ 0 | $ 3,999,000 | |
| Number of impaired assets sold, held for sale | 2 | ||||
| Arlington, Texas and Tewksbury, Massachusetts | |||||
| Real Estate Properties [Line Items] | |||||
| Number of real estate properties, held for sale | 2 | ||||
| Disposed of by sale | |||||
| Real Estate Properties [Line Items] | |||||
| Number of properties sold | 2 | ||||
| Held for sale | |||||
| Real Estate Properties [Line Items] | |||||
| Number of impaired assets | 2 | ||||
| X | ||||||||||
- Definition Number of real estate properties held for sale. No definition available.
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- Definition Number of Impaired Assets, Held and Used No definition available.
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- Definition Number of Impaired Assets Sold, Held for Sale No definition available.
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- Definition Number of Non-Core Properties Sold No definition available.
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- Definition Number of impaired Assets No definition available.
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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