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Note 16 - Supplemental Schedule of Non-Cash Investing / Financing Activities (Detail) - Non-Cash Investing And Financing Activities (USD $) In Thousands, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011
Acquisition of real estate interests by assumption of mortgage debt | $ 116,735 | $ 24,718 |
Issuance of restricted common stock | 18,066 | 4,940 |
Surrender of restricted common stock | (1,555) | (244) |
Disposition of real estate interests by assignment of debt | 13,655 |  |
Disposition of real estate through the issuance of an unsecured obligation | 1,750 |  |
Declaration of dividends paid in succeeding period | $ 98,883 | $ 88,093 | $ 92,159

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