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v3.8.0.1

Segment Information - Additional Information (Detail) - 3 months ended Mar. 31, 2018 | Total | Property | Communities | States
--- | --- | --- | --- | ---
Segment Reporting Information [Line Items] |  |  |  |
Number of owned or owned interests of apartment communities |  | 303 | 302 |
Number of states in which apartment units are located |  |  |  | 17
Period properties owned and stabilized | 12 months |  |  |
Occupancy Level for Stabilized Communities | 90.00% |  |  |
Period Properties Stabilized | 90 days |  |  |
Same Store [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Period properties owned and stabilized | 12 months |  |  |

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- Definition Occupancy Level for Stabilized Communities + References No definition available. + Details
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- Definition Period properties owned and stabilized + References No definition available. + Details
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- Definition Period Properties Stabilized + References No definition available. + Details
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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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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. + References No definition available. + Details
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- Details
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Period Type: |