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Investment in Consolidated and Unconsolidated Entities - Schedule of Consolidated Variable interest Entities (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Total assets | $ 43,760 | $ 44,091
Liabilities | (555) | (385)
Net assets | 43,205 | 43,706
Net investment properties |  |
Variable Interest Entity [Line Items] |  |
Total assets | 39,392 | 39,634
Other assets |  |
Variable Interest Entity [Line Items] |  |
Total assets | $ 4,368 | $ 4,457

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