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Summary of Acquisitions (Detail) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) Property
Business Acquisition [Line Items] |  |
Units | Property | 1,263 |
Contract Price | $ | $ 131,248 |
Creekside Corners | Atlanta, GA |  |
Business Acquisition [Line Items] |  |
Date of Purchase | Jan. 03, 2018 | [1]
Units | Property | 444 | [1]
Contract Price | $ | $ 43,901 | [1]
Hartshire Lakes | Indianapolis, IN |  |
Business Acquisition [Line Items] |  |
Date of Purchase | Jan. 03, 2018 | [1]
Units | Property | 272 | [1]
Contract Price | $ | $ 27,597 | [1]
The Chelsea | Columbus, OH |  |
Business Acquisition [Line Items] |  |
Date of Purchase | Jan. 04, 2018 |
Units | Property | 312 |
Contract Price | $ | $ 36,750 |
Avalon Oaks | Columbus, OH |  |
Business Acquisition [Line Items] |  |
Date of Purchase | Feb. 27, 2018 |
Units | Property | 235 |
Contract Price | $ | $ 23,000 |
[1] | These properties were acquired as the last phase of our acquisition of a nine-community portfolio, totaling 2,352 units, which we agreed to acquire on September 3, 2017 for a total purchase price of $228,144

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