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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (USD $) In Thousands, except Share data, unless otherwise specified | Total | Preferred Shares [Member] | Common Stock [Member] | Additional Paid-in-Capital [Member] | Accumulated Distributions in Excess of Net Income [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Non-controlling Interests [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2010 | $ 1,304,901 | $ 327,867 | $ 15 | $ 1,937,942 | $ (1,036,790) | $ (106) | $ 75,973
Balance (in shares) at Dec. 31, 2010 |  | 11,455,200 | 146,552,589 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Redemption of noncontrolling OP units for common shares |  |  |  | 2,187 |  |  | (2,187)
Redemption of noncontrolling OP units for common shares (in shares) |  |  | 398,927 |  |  |  |
Repurchase of common shares | (31,916) |  |  | (31,916) |  |  |
Repurchase of common shares (in shares) |  |  | (3,974,645) |  |  |  |
Repurchase of preferred shares | (15,456) | (16,194) |  |  | 738 |  |
Repurchase of preferred shares (in shares) |  | (544,126) |  |  |  |  |
Contributions from noncontrolling interests | 2 |  |  |  |  |  | 2
Exercise of employee common share options, net | (221) |  |  | (221) |  |  |
Exercise of employee common share options, net (in shares) |  |  | 250,355 |  |  |  |
Obtained control of noncontrolling investment | 574 |  |  |  |  |  | 574
Forfeiture of employee performance common shares | 69 |  |  |  | 69 |  |
Forfeiture of employee performance common shares (in shares) |  |  | (10,140) |  |  |  |
Issuance of common shares and deferred compensation amortization, net | 102,416 |  |  | 102,416 |  |  |
Issuance of common shares and deferred compensation amortization, net (in shares) |  |  | 11,721,265 |  |  |  |
Dividends/distributions | (102,874) |  |  |  | (97,063) |  | (5,811)
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | (89,778) |  |  |  | (79,584) |  | (10,194)
Other comprehensive income: |  |  |  |  |  |  |
Other comprehensive income | 2,044 |  |  |  |  | 2,044 |
Balance at Dec. 31, 2011 | 1,170,203 | 311,673 | 15 | 2,010,850 | (1,212,630) | 1,938 | 58,357
Balance (in shares) at Dec. 31, 2011 |  | 10,911,074 | 154,938,351 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Redemption of noncontrolling OP units for common shares |  |  |  | 1,343 |  |  | (1,343)
Redemption of noncontrolling OP units for common shares (in shares) |  |  | 257,427 |  |  |  |
Repurchase of preferred shares | (70,000) | (67,883) |  |  | (2,117) |  |
Repurchase of preferred shares (in shares) |  | (2,775,674) |  |  |  |  |
Contributions from noncontrolling interests | 1,262 |  |  |  |  |  | 1,262
Issuance of common shares upon conversion of Convertible Notes | 33,770 |  | 1 | 33,769 |  |  |
Issuance of common shares upon conversion of convertible notes (in shares) | 4,487,060 |  | 4,487,060 |  |  |  |
Exercise of employee common share options, net | (534) |  |  | (534) |  |  |
Exercise of employee common share options, net (in shares) |  |  | 110,944 |  |  |  |
Issuance of common shares and deferred compensation amortization, net | 167,523 |  | 2 | 167,521 |  |  |
Issuance of common shares and deferred compensation amortization, net (in shares) |  |  | 18,822,882 |  |  |  |
Deconsolidation of consolidated joint venture | (782) |  |  |  |  |  | (782)
Dividends/distributions | (144,753) |  |  |  | (109,372) |  | (35,381)
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | 184,638 |  |  |  | 180,316 |  | 4,322
Other comprehensive income: |  |  |  |  |  |  |
Other comprehensive income | (8,162) |  |  |  |  | (8,162) |
Balance at Dec. 31, 2012 | 1,333,165 | 243,790 | 18 | 2,212,949 | (1,143,803) | (6,224) | 26,435
Balance (in shares) at Dec. 31, 2012 |  | 8,135,400 | 178,616,664 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Redemption of noncontrolling OP units for common shares |  |  |  | 1,053 |  |  | (1,053)
Redemption of noncontrolling OP units for common shares (in shares) |  |  | 202,241 |  |  |  |
Repurchase of preferred shares | (155,004) | (149,774) |  |  | (5,230) |  |
Acquisition of consolidated joint venture partners' equity interest | (8,918) |  |  |  | (8,918) |  |
Repurchase of preferred shares (in shares) |  | (6,200,000) |  |  |  |  |
Issuance of common shares upon conversion of Convertible Notes | 60,686 |  | 1 | 60,685 |  |  |
Issuance of common shares upon conversion of convertible notes (in shares) | 7,944,673 |  | 7,944,673 |  |  |  |
Exercise of employee common share options, net | (2,289) |  |  | (2,289) |  |  |
Exercise of employee common share options, net (in shares) |  |  | 955,478 |  |  |  |
Forfeiture of employee common shares | (20) |  |  | (20) |  |  |
Forfeiture of employee common shares (in shares) |  |  | (3,571) |  |  |  |
Issuance of common shares and deferred compensation amortization, net | 440,835 |  | 4 | 440,831 |  |  |
Issuance of common shares and deferred compensation amortization, net (in shares) |  |  | 40,947,537 |  |  |  |
Dividends/distributions | (148,076) |  |  |  | (144,206) |  | (3,870)
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | 3,863 |  |  |  | 1,630 |  | 2,233
Other comprehensive income: |  |  |  |  |  |  |
Other comprehensive income | 10,663 |  |  |  |  | 10,663 |
Balance at Dec. 31, 2013 | $ 1,539,483 | $ 94,016 | $ 23 | $ 2,717,787 | $ (1,300,527) | $ 4,439 | $ 23,745
Balance (in shares) at Dec. 31, 2013 |  | 1,935,400 | 228,663,022 |  |  |  |

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