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Investment in Unconsolidated Real Estate Ventures - Summary of Financial Position of Real Estate Ventures (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Equity Method Investments And Joint Ventures [Abstract] |  |  |
Net property |  | $ 844,659 | $ 835,983
Other assets | [1] | 362,149 | 159,499
Other liabilities | [1] | 287,685 | 85,681
Debt, net | [2] | 593,543 | 365,707
Equity | [3] | $ 325,580 | $ 544,094
[1] | The increase in ‘Other assets’ and ‘Other liabilities’ for the period ended June 30, 2019 compared to the period ended December 31, 2018 is due to the recording of the right of use asset and lease liability of $197.1 million and $249.3 million, respectively, for the MAP Venture ground lease upon adoption of Topic 842, which was adopted by the venture on January 1, 2019.
[2] | This amount increased as a result of third-party debt financing received by Herndon Innovation Center Venture, an unconsolidated real estate venture on March 29, 2019 and April 1, 2019. See “Herndon Innovation Center Metro Portfolio Venture” section below for further information.
[3] | This amount includes the effect of the basis difference between the Company's historical cost basis and the basis recorded at the real estate venture level, which is typically amortized over the life of the related assets and liabilities. Basis differentials occur from the impairment of investments, purchases of third party interests in existing real estate ventures and upon the transfer of assets that were previously owned by the Company into a real estate venture. In addition, certain acquisition, transaction and other costs may not be reflected in the net assets at the real estate venture level.

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