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Organization - Additional Information (Detail) |  | 6 Months Ended
--- | --- | ---
Oct. 05, 2016 shares | Jun. 30, 2017 Property shares
Class Of Stock [Line Items] |  |
Number of multifamily properties owned | Property |  | 46
Number of units located with multifamily properties | Property |  | 12,812
Common Shares |  |
Class Of Stock [Line Items] |  |
Common stock repurchased and retired shares | shares |  | 60,024
R A I T Financial Trust | Common Shares |  |
Class Of Stock [Line Items] |  |
Common stock repurchased and retired shares | shares | 7,269,719 |

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