Noncontrolling Interests	3 Months Ended
Noncontrolling Interests	Mar. 31, 2015
Noncontrolling Interest [Abstract]
Noncontrolling Interests	7. Noncontrolling Interests Consolidated Joint Ventures and Funds Noncontrolling interests in consolidated joint ventures and funds consist of (i) equity interests in properties that are not wholly owned by us but are consolidated into our financial results because we exercise control over the entities that own such properties and (ii) equity interests in funds that are consolidated into our financial results because we are the sole general partner of such Funds. As of March 31, 2015 and December 31, 2014, noncontrolling interests in consolidated joint ventures and funds on our consolidated balance sheets aggregated $685,176,000 and $685,888,000, respectively. Operating Partnership Noncontrolling interests in the Operating Partnership represents common units of the Operating Partnership that are held by third parties, including management. Since the number of common shares outstanding is equal to the number of common units owned by us, the redemption value of each common unit is equal to the market value of each common share and distributions paid to each common unitholder is equivalent to dividends paid to common stockholders. Accordingly, common units are recorded at their redemption value at the end of each reporting period. Changes in the value from period to period are charged to “additional paid-in-capital” in our consolidated statements of changes in equity. As of March 31, 2015 and December 31, 2014, noncontrolling interests in the Operating Partnership on our consolidated balance sheets aggregated $994,799,000 and $958,203,000, 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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