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Real Estate Investments - Summary of Properties Classified as Held for Sale Included in Continuing Operations (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
ASSETS HELD FOR SALE |  |
Total assets held for sale, net | $ 6,262 | $ 41,718
LIABILITIES HELD FOR SALE |  |
Total liabilities held for sale | 387 | $ 81
Held for Sale Properties Included in Continuing Operations [Member] | Other Segment - Retail [Member] |  |
ASSETS HELD FOR SALE |  |
Operating properties | 5,576 |
Accumulated depreciation | (79) |
Operating real estate investments, net | 5,497 |
Land held for development | 0 |
Total real estate investments, net | 5,497 |
Other assets | 765 |
Total assets held for sale, net | 6,262 |
LIABILITIES HELD FOR SALE |  |
Other liabilities | 387 |
Total liabilities held for sale | $ 387 |

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