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CONSOLIDATED STATEMENT OF EQUITY (USD $) In Thousands, except Share data, unless otherwise specified | Total | Total Stockholders' Equity | Common Stock | Additional Paid-in Capital | Accumulated Deficit | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2012 | $ 3,416,251 | $ 3,077,529 | $ 1,375 | $ 3,715,895 | $ (639,741) | $ 338,722
Balance (in shares) at Dec. 31, 2012 | 137,507,010 |  | 137,507,010 |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |
Net income | 298,170 | 275,212 |  |  | 275,212 | 22,958
Share and unit-based compensation plans (in shares) |  |  | 86,425 |  |  |
Share and unit-based compensation plans | 16,757 | 16,757 |  | 16,757 |  |
Employee stock purchases (in shares) |  |  | 8,941 |  |  |
Employee stock purchases | 459 | 459 |  | 459 |  |
Stock offerings, net (in shares) |  |  | 2,456,956 |  |  |
Stock offerings, net | 171,121 | 171,121 | 25 | 171,096 |  |
Distributions paid ($1.74) per share | (241,935) | (241,935) |  |  | (241,935) |
Distributions to noncontrolling interests | (19,207) |  |  |  |  | (19,207)
Contributions from noncontrolling interests | 18,066 |  |  |  |  | 18,066
Other | (3,890) | (3,890) |  | (3,890) |  |
Conversion of noncontrolling interests to common shares (in shares) |  |  | 656,866 |  |  |
Conversion of noncontrolling interests to common shares |  | 12,984 | 7 | 12,977 |  | (12,984)
Redemption of noncontrolling interests | (1,022) | (703) |  | (703) |  | (319)
Adjustment of noncontrolling interest in Operating Partnership |  | (10,915) |  | (10,915) |  | 10,915
Balance at Sep. 30, 2013 | $ 3,654,770 | $ 3,296,619 | $ 1,407 | $ 3,901,676 | $ (606,464) | $ 358,151
Balance (in shares) at Sep. 30, 2013 | 140,716,198 |  | 140,716,198 |  |  |

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