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Related Party Transactions and Arrangements - Additional Information (Detail) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 05, 2016 shares | Mar. 31, 2017 USD ($) shares | Jun. 30, 2016 USD ($) Property | Mar. 31, 2016 USD ($) | Dec. 31, 2016 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |
Dividends paid, common stock |  | $ 12,504,000 |  |  |
Common Shares |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Common stock repurchased and retired shares | shares |  | 53,468 |  |  |
R A I T Financial Trust |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Dividends paid, common stock |  | $ 0 |  |  | $ 1,309,000
Repayment of term loan facility |  |  | $ 38,075,000 |  |
Exit fees pursuant to mortgage indebtedness |  | 0 |  | $ 0 |
Number of property dispositions | Property |  |  | 2 |  |
R A I T Financial Trust | Common Shares |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Common stock repurchased and retired shares | shares | 7,269,719 |  |  |  |
Former Advisor |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Asset management fees earned |  | 0 |  | 1,631,000 |
Incentive fee earned by the former advisor |  | 0 |  | 65,000 |
Former Advisor | Shared Services Agreement |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Cost incurred for service provided |  | 387,000 |  | 0 |
Former Advisor | Incentive Fees |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Former advisor and management fees payable |  | 0 |  |  | 0
Property Manager |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Former advisor and management fees payable |  | 0 |  |  | $ 0
Property management and leasing fees |  | 0 |  | 1,262,000 |
Sponsor | R A I T Financial Trust |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Total interest expense paid |  | $ 0 |  | $ 265,000 |

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