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Variable Interest Entities - Summarized Balance Sheet (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
ASSETS |  |
Net Investment in Real Estate | $ 2,861,860 | $ 2,705,826
Total Assets | 3,142,691 | 2,941,062
LIABILITIES AND PARTNERS' CAPITAL |  |
Mortgage Loans Payable, Net | 296,470 | 450,056
Total Liabilities and Equity/Partners' Capital | 3,142,691 | 2,941,062
Other Real Estate Partnerships |  |
ASSETS |  |
Net Investment in Real Estate | 260,528 | 270,708
Other Assets, Net | 25,059 | 23,530
Total Assets | 285,587 | 294,238
LIABILITIES AND PARTNERS' CAPITAL |  |
Mortgage Loans Payable, Net | 20,497 | 61,256
Other Liabilities, Net | 9,045 | 9,283
Partners' Capital | 256,045 | 223,699
Total Liabilities and Equity/Partners' Capital | $ 285,587 | $ 294,238

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