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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands, except Share data, unless otherwise specified | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings [Member] | Parent [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | ---
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 |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership | 0 | 0 | 40 | 0 | 0 | 40 | (40)
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 10,000 |  |  |  |  |
Issuance of OP Units to Acquire Real Estate | 0 |  |  |  |  |  |
Dividends declared ($0.18 per Common Share) | (7,505) | 0 | 0 | 0 | (7,258) | (7,258) | (247)
Vesting of employee Restricted Share and LTIP awards | 832 | 0 | 132 | 0 | 0 | 132 | 700
Vesting of employee Restricted Share and LTIP awards (in Shares) |  | 95,000 |  |  |  |  |
Common Shares issued under Employee Share Purchase Plan | 24 | 0 | 24 | 0 | 0 | 24 | 0
Common Shares issued under Employee Share Purchase Plan (in Shares) |  | 1,000 |  |  |  |  |
Issuance of LTIP Unit awards to employees | 2,441 | 0 | 0 | 0 | 0 | 0 | 2,441
Issuance of Common Shares to trustees | 22 | 0 | 22 | 0 | 0 | 22 | 0
Issuance of Common Shares to trustees (in Shares) |  | 0 |  |  |  |  |
Exercise of Share options | 7 | 0 | 7 | 0 | 0 | 7 | 0
Exercise of Share options (in Shares) |  | 1,000 |  |  |  |  |
Employee Restricted Shares cancelled | (724) | 0 | (724) | 0 | 0 | (724) | 0
Employee Restricted Shares cancelled (in Shares) |  | (40,000) |  |  |  |  |
Noncontrolling interest distributions | (83) | 0 | 0 | 0 | 0 | 0 | (83)
Balance before adjustment towards comprehensive income | 582,536 | 40 | 303,324 | (2,857) | 9,948 | 310,455 | 272,081
Balance before adjustment towards comprehensive income (in Shares) |  | 40,321,000 |  |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | 9,652 | 0 | 0 | 0 | 9,423 | 9,423 | 229
Unrealized income (loss) on valuation of swap agreements | (307) | 0 | 0 | (241) | 0 | (241) | (66)
Reclassification of realized interest on swap agreements | 885 | 0 | 0 | 736 | 0 | 736 | 149
Total comprehensive income (loss) | 10,230 | 0 | 0 | 495 | 9,423 | 9,918 | 312
Balance at Mar. 31, 2011 | 592,766 | 40 | 303,324 | (2,362) | 19,371 | 320,373 | 272,393
Balance (in Shares) at Mar. 31, 2011 |  | 40,321,000 |  |  |  |  |
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 |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership | 0 | 0 | 2,534 | 0 | 0 | 2,534 | (2,534)
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 161,000 |  |  |  |  |
Issuance of Common Shares, net of issuance costs | 17,761 | 1 | 17,760 | 0 | 0 | 17,761 | 0
Issuance of Common Shares, net of issuance costs (in Shares) |  | 808,000 |  |  |  |  |
Issuance of OP Units to Acquire Real Estate | 2,279 | 0 | 0 | 0 | 0 | 0 | 2,279
Dividends declared ($0.18 per Common Share) | (8,095) | 0 | 0 | 0 | (7,808) | (7,808) | (287)
Vesting of employee Restricted Share and LTIP awards | 886 | 0 | 40 | 0 | 0 | 40 | 846
Vesting of employee Restricted Share and LTIP awards (in Shares) |  | 22,000 |  |  |  |  |
Common Shares issued under Employee Share Purchase Plan | 20 | 0 | 20 | 0 | 0 | 20 | 0
Common Shares issued under Employee Share Purchase Plan (in Shares) |  | 1,000 |  |  |  |  |
Issuance of LTIP Unit awards to employees | 2,577 | 0 | 0 | 0 | 0 | 0 | 2,577
Issuance of Common Shares to trustees | 84 | 0 | 84 | 0 | 0 | 84 | 0
Issuance of Common Shares to trustees (in Shares) |  | 0 |  |  |  |  |
Exercise of Share options | 23 | 0 | 23 | 0 | 0 | 23 | 0
Exercise of Share options (in Shares) |  | 1,000 |  |  |  |  |
Employee Restricted Shares cancelled | (150) | 0 | (150) | 0 | 0 | (150) | 0
Employee Restricted Shares cancelled (in Shares) |  | (7,000) |  |  |  |  |
Noncontrolling interest distributions | (3,450) | 0 | 0 | 0 | 0 | 0 | (3,450)
Noncontrolling Interest contributions | 38,578 | 0 | 0 | 0 | 0 | 0 | 38,578
Balance before adjustment towards comprehensive income | 819,822 | 44 | 368,978 | (3,913) | 31,509 | 396,618 | 423,204
Balance before adjustment towards comprehensive income (in Shares) |  | 43,572,000 |  |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | 2,823 | 0 | 0 | 0 | 4,010 | 4,010 | (1,187)
Unrealized income (loss) on valuation of swap agreements | 57 | 0 | 0 | 124 | 0 | 124 | (67)
Reclassification of realized interest on swap agreements | 637 | 0 | 0 | 470 | 0 | 470 | 167
Total comprehensive income (loss) | 3,517 | 0 | 0 | 594 | 4,010 | 4,604 | (1,087)
Balance at Mar. 31, 2012 | $ 823,339 | $ 44 | $ 368,978 | $ (3,319) | $ 35,519 | $ 401,222 | $ 422,117
Balance (in Shares) at Mar. 31, 2012 | 43,572,025 | 43,572,000 |  |  |  |  |

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