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Summary of Acquisitions (Parenthetical) (Detail) $ in Thousands |  | 9 Months Ended
--- | --- | ---
Sep. 03, 2017 USD ($) Property | Sep. 30, 2017 USD ($) Property
Business Acquisition [Line Items] |  |
Units (unaudited) | Property |  | 1,621
Purchase Price |  | $ 170,154
Defeasance costs related to properties acquired | $ 2,781 |
Acquisition of Nine-Property Portfolio First Phase Acquisition |  |
Business Acquisition [Line Items] |  |
Units (unaudited) | Property | 2,353 |
Purchase Price | $ 228,144 |

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- Definition The number of units in a real estate property acquired. + References No definition available. + Details
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- Definition Payments to acquire real estate including transaction fees. + References No definition available. + Details
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- Details
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