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Investment in Consolidated and Unconsolidated Entities - Net Equity Investment and Share of Net Income (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
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Schedule of net equity investment and share of net income or loss |  |
Carrying value of investment | $ 154,750 | $ 156,132
IAGM Retail Fund I, LLC |  |
Schedule of net equity investment and share of net income or loss |  |
Ownership % | 55.00% |
Carrying value of investment | $ 124,750 | 126,195
Downtown Railyard Venture, LLC |  |
Schedule of net equity investment and share of net income or loss |  |
Ownership % | 90.00% |
Carrying value of investment | $ 30,000 | 30,049
Other unconsolidated entities |  |
Schedule of net equity investment and share of net income or loss |  |
Carrying value of investment | $ 0 | $ (112)

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