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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands, except Share data, unless otherwise specified | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Parent | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2010 | $ 587,522 | $ 40 | $ 303,823 | $ (2,857) | $ 17,206 | $ 318,212 | $ 269,310
Balance (in Shares) at Dec. 31, 2010 |  | 40,254,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 11,000 |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership | 0 | 0 | 49 | 0 | 0 | 49 | (49)
Issuance of OP Units to Acquire Real Estate | 0 |  |  |  |  |  |
Dividends declared ($0.36 per Common Share) | (15,009) | 0 | 0 | 0 | (14,517) | (14,517) | (492)
Vesting of employee Restricted Share and LTIP awards (in Shares) |  | 95,000 |  |  |  |  |
Vesting of employee Restricted Share and LTIP awards | 2,223 | 0 | 257 | 0 | 0 | 257 | 1,966
Common Shares issued under Employee Share Purchase Plan (in Shares) |  | 2,000 |  |  |  |  |
Common Shares issued under Employee Share Purchase Plan | 45 | 0 | 45 | 0 | 0 | 45 | 0
Issuance of LTIP Unit awards to employees | 2,441 | 0 | 0 | 0 | 0 | 0 | 2,441
Issuance of Common Shares to trustees (in Shares) |  | 8,000 |  |  |  |  |
Issuance of Common Shares to trustees | 79 | 0 | 79 | 0 | 0 | 79 | 0
Exercise of Share options (in Shares) |  | 1,000 |  |  |  |  |
Exercise of Share options | 7 | 0 | 7 | 0 | 0 | 7 | 0
Employee Restricted Shares cancelled (in Shares) |  | (40,000) |  |  |  |  |
Employee Restricted Shares cancelled | (724) | 0 | (724) | 0 | 0 | (724) | 0
Noncontrolling interest distributions | (705) | 0 | 0 | 0 | 0 | 0 | (705)
Noncontrolling Interest contributions | 43,646 | 0 | 0 | 0 | 0 | 0 | 43,646
Balance before adjustment towards comprehensive income (in Shares) |  | 40,331,000 |  |  |  |  |
Balance before adjustment towards comprehensive income | 619,525 | 40 | 303,536 | (2,857) | 2,689 | 303,408 | 316,117
Comprehensive income (loss): |  |  |  |  |  |  |
Net income | 34,693 | 0 | 0 | 0 | 39,657 | 39,657 | (4,964)
Unrealized (loss) on valuation of swap agreements | (1,557) | 0 | 0 | (803) | 0 | (803) | (754)
Reclassification of realized interest on swap agreements | 1,637 | 0 | 0 | 1,310 | 0 | 1,310 | 327
Total comprehensive income (loss) | 34,773 | 0 | 0 | 507 | 39,657 | 40,164 | (5,391)
Balance at Jun. 30, 2011 | 654,298 | 40 | 303,536 | (2,350) | 42,346 | 343,572 | 310,726
Balance (in Shares) at Jun. 30, 2011 |  | 40,331,000 |  |  |  |  |
Balance at Dec. 31, 2011 | 769,309 | 43 | 348,667 | (3,913) | 39,317 | 384,114 | 385,195
Balance (in Shares) at Dec. 31, 2011 | 42,586,376 | 42,586,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 171,000 |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership | 0 | 0 | 2,711 | 0 | 0 | 2,711 | (2,711)
Issuance of Common Shares, net of issuance costs (in Shares) |  | 2,901,000 |  |  |  |  |
Issuance of Common Shares, net of issuance costs | 64,303 | 3 | 64,300 | 0 | 0 | 64,303 | 0
Issuance of OP Units to Acquire Real Estate | 2,279 | 0 | 0 | 0 | 0 | 0 | 2,279
Dividends declared ($0.36 per Common Share) | (16,572) | 0 | 0 | 0 | (16,005) | (16,005) | (567)
Vesting of employee Restricted Share and LTIP awards (in Shares) |  | 41,000 |  |  |  |  |
Vesting of employee Restricted Share and LTIP awards | 1,782 | 0 | 89 | 0 | 0 | 89 | 1,693
Common Shares issued under Employee Share Purchase Plan (in Shares) |  | 1,000 |  |  |  |  |
Common Shares issued under Employee Share Purchase Plan | 40 | 0 | 40 | 0 | 0 | 40 | 0
Issuance of LTIP Unit awards to employees | 2,577 | 0 | 0 | 0 | 0 | 0 | 2,577
Issuance of Common Shares to trustees (in Shares) |  | 0 |  |  |  |  |
Issuance of Common Shares to trustees | 177 | 0 | 177 | 0 | 0 | 177 | 0
Exercise of Share options (in Shares) |  | 8,000 |  |  |  |  |
Exercise of Share options | 131 | 0 | 131 | 0 | 0 | 131 | 0
Employee Restricted Shares cancelled (in Shares) |  | (8,000) |  |  |  |  |
Employee Restricted Shares cancelled | (150) | 0 | (150) | 0 | 0 | (150) | 0
Noncontrolling interest distributions | (45,218) | 0 | 0 | 0 | 0 | 0 | (45,218)
Balance before adjustment towards comprehensive income (in Shares) |  | 45,700,000 |  |  |  |  |
Balance before adjustment towards comprehensive income | 886,739 | 46 | 415,965 | (3,913) | 23,312 | 435,410 | 451,329
Comprehensive income (loss): |  |  |  |  |  |  |
Net income | 13,999 | 0 | 0 | 0 | 10,849 | 10,849 | 3,150
Unrealized (loss) on valuation of swap agreements | (2,555) | 0 | 0 | (1,494) | 0 | (1,494) | (1,061)
Reclassification of realized interest on swap agreements | 1,283 | 0 | 0 | 923 | 0 | 923 | 360
Total comprehensive income (loss) | 12,727 | 0 | 0 | (571) | 10,849 | 10,278 | 2,449
Balance at Jun. 30, 2012 | 899,466 | 46 | 415,965 | (4,484) | 34,161 | 445,688 | 453,778
Balance (in Shares) at Jun. 30, 2012 | 45,703,685 | 45,700,000 |  |  |  |  |
Balance at May. 31, 2012 |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Noncontrolling Interest contributions | 108,081 | 0 | 0 | 0 | 0 | 0 | 108,081
Balance at Jun. 30, 2012 | $ 899,466 | $ 46 | $ 415,965 | $ (4,484) | $ 34,161 | $ 445,688 | $ 453,778
Balance (in Shares) at Jun. 30, 2012 | 45,703,685 | 45,700,000 |  |  |  |  |

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