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Investments in Unconsolidated Joint Ventures - Combined Condensed Balance Sheets of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Assets: |  |
Properties, net | $ 3,260,720 | $ 2,967,878
Other assets | 268,769 | 208,726
Total assets | 3,529,489 | 3,176,604
Liabilities and partners' capital: |  |
Mortgage notes payable | 1,827,606 | 2,038,379
Other liabilities | 197,905 | 195,766
Company's capital | 769,715 | 489,349
Outside partners' capital | 734,263 | 453,110
Total liabilities and partners' capital | 3,529,489 | 3,176,604
Investments in unconsolidated joint ventures: |  |
Company's capital | 769,715 | 489,349
Basis adjustment | 466,784 | 464,826
Investments in unconsolidated joint ventures | 1,236,499 | 954,175
Assets—Investments in unconsolidated joint ventures | 1,263,356 | 984,132
Liabilities—Distributions in excess of investments in unconsolidated joint ventures | $ (26,857) | $ (29,957)

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