Non Controlling Interests in The Parent Company	12 Months Ended
Non Controlling Interests in The Parent Company	Dec. 31, 2011
Noncontrolling Interest [Abstract]
NON-CONTROLLING INTERESTS IN THE PARENT COMPANY	NON-CONTROLLING INTERESTS IN THE PARENT COMPANY Non-controlling interests in the Parent Company’s financial statements relate to redeemable common limited partnership interests in the Operating Partnership held by parties other than the Parent Company and interests held by third party partners in the previously consolidated real estate ventures. Operating Partnership As of December 31, 2011 and 2010, the aggregate book value of the non-controlling interest associated with the redeemable common limited partnership interests in the accompanying consolidated balance sheet was $33.1 million and $128.3 million, respectively. The Parent Company believes that the aggregate settlement value of these interests (based on the number of units outstanding and the closing price of the common shares on the balance sheet date) was approximately $25.6 million and $115.4 million, respectively.

The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock.

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