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Summary of Significant Accounting Policies - Schedule Operating Partnership's VIEs (Details) - Operating Partnership's VIEs - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Properties, net |  |
Variable Interest Entity [Line Items] |  |
Assets | $ 307,582 | $ 362,129
Other assets |  |
Variable Interest Entity [Line Items] |  |
Assets | 68,863 | 74,075
Total assets |  |
Variable Interest Entity [Line Items] |  |
Assets | 376,445 | 436,204
Mortgage notes payable |  |
Variable Interest Entity [Line Items] |  |
Liabilities | 133,245 | 139,767
Other liabilities |  |
Variable Interest Entity [Line Items] |  |
Liabilities | 75,913 | 79,984
Total liabilities |  |
Variable Interest Entity [Line Items] |  |
Liabilities | $ 209,158 | $ 219,751

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