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Investment in Unconsolidated Ventures (Tables) | 6 Months Ended
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Jun. 30, 2012
Equity Method Investments and Joint Ventures [Abstract] |
Financial position of unconsolidated Real Estate Ventures |
| June 30, 2012 |  | December 31, 2011 |
Net property | $ | 840,292 |  |  | $ | 846,643 |
Other assets | 113,449 |  |  | 110,520 |
Other liabilities | 46,225 |  |  | 48,798 |
Debt | 679,026 |  |  | 745,830 |
Equity | 228,490 |  |  | 162,535 |
Company’s share of equity (Company’s basis) | 133,292 |  |  | 115,807 |
Summary of results of operations of unconsolidated Real Estate Ventures |
| Three-month periods ended June 30, |  | Six-month periods ended June 30,
| 2012 |  | 2011 |  | 2012 |  | 2011
Revenue | $ | 39,008 |  |  | $ | 32,722 |  |  | $ | 77,601 |  |  | $ | 72,398 |
Operating expenses | 11,000 |  |  | 14,370 |  |  | 27,815 |  |  | 30,544 |
Interest expense, net | 9,840 |  |  | 9,550 |  |  | 21,089 |  |  | 21,673 |
Depreciation and amortization | 13,887 |  |  | 8,487 |  |  | 25,358 |  |  | 18,968 |
Net income (loss) | 4,281 |  |  | 315 |  |  | 3,339 |  |  | 1,213 |
Company’s share of income (Company’s basis) | 838 |  |  | 1,088 |  |  | 882 |  |  | 2,321 |

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