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Investment in Unconsolidated Ventures (Tables) | 3 Months Ended
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Mar. 31, 2014
Equity Method Investments and Joint Ventures [Abstract] |
Equity Method Investment Summarized Financial Information [Table Text Block] | The following is a summary of the financial position of the Real Estate Ventures as of March 31, 2014 and December 31, 2013 (in thousands):
| March 31, 2014 |  | December 31, 2013
Net property | $ | 988,378 |  |  | $ | 965,475 |
Other assets | 144,871 |  |  | 164,152 |
Other liabilities | 45,126 |  |  | 49,442 |
Debt | 720,609 |  |  | 699,860 |
Equity | 367,514 |  |  | 380,325 |
Company’s share of equity (Company’s basis) (a) | 180,237 |  | (b) | 180,512 |
(a) 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. (b) Does not include the negative investment balance of one real estate venture totaling $1.2 million as of March 31, 2014, which was included in other liabilities.
Summary of results of operations of unconsolidated Real Estate Venture [Table Text Block] | The following is a summary of results of operations of the Real Estate Ventures in which the Company had interests during these periods (in thousands):
| Three month periods ended March 31,
| 2014 |  | 2013
Revenue | $ | 34,385 |  |  | $ | 40,889 |
Operating expenses | 13,982 |  |  | 18,266 |
Interest expense, net | 8,100 |  |  | 9,772 |
Depreciation and amortization | 13,598 |  |  | 12,906 |
Net loss | (1,295 | ) |  | (55 | )
Company’s share of income (Company’s basis) | 242 |  |  | 1,535 |

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