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CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands | 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, 2009 | $ 532,477 | $ 40 | $ 299,014 | $ (2,994) | $ 16,125 | $ 312,185 | $ 220,292
Balance (in Shares) at Dec. 31, 2009 |  | 39,787 |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership |  |  | 2,174 |  |  | 2,174 | (2,174)
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 257 |  |  |  |  |
Dividends declared ($0.36 per Common Share) | (14,847) |  |  |  | (14,466) | (14,466) | (381)
Vesting of employee Restricted Share and LTIP awards | 1,950 |  | 1,062 |  |  | 1,062 | 888
Vesting of employee Restricted Share and LTIP awards (in Shares) |  | 133 |  |  |  |  |
Common Shares issued under Employee Share Purchase Plan | 50 |  | 50 |  |  | 50 |
Common Shares issued under Employee Share Purchase Plan (in Shares) |  | 3 |  |  |  |  |
Issuance of Common Shares to trustees | 190 |  | 190 |  |  | 190 |
Issuance of Common Shares to trustees (in Shares) |  | 13 |  |  |  |  |
Exercise of trustees options | 101 |  | 101 |  |  | 101 |
Exercise of trustees options (in Shares) |  | 7 |  |  |  |  |
Employee Restricted Shares cancelled | (966) |  | (966) |  |  | (966) |
Employee Restricted Shares cancelled (in Shares) |  | (57) |  |  |  |  |
Noncontrolling interest distributions | (523) |  |  |  |  |  | (523)
Noncontrolling interest contributions | 19,476 |  |  |  |  |  | 19,476
Balance before adjustment towards comprehensive income | 537,908 | 40 | 301,625 | (2,994) | 1,659 | 300,330 | 237,578
Balance before adjustment towards comprehensive income (in Shares) |  | 40,143 |  |  |  |  |
Net income (loss) | 39,004 |  |  |  | 17,928 | 17,928 | 21,076
Unrealized loss on valuation of swap agreements | (1,727) |  |  | (1,701) |  | (1,701) | (26)
Reclassification of realized interest on swap agreements | 1,501 |  |  | 1,324 |  | 1,324 | 177
Total comprehensive income (loss) | 38,778 |  |  | (377) | 17,928 | 17,551 | 21,227
Balance at Jun. 30, 2010 | 576,686 | 40 | 301,625 | (3,371) | 19,587 | 317,881 | 258,805
Balance (in Shares) at Jun. 30, 2010 |  | 40,143 |  |  |  |  |
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 |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership |  |  | 49 |  |  | 49 | (49)
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 11 |  |  |  |  |
Dividends declared ($0.36 per Common Share) | (15,009) |  |  |  | (14,517) | (14,517) | (492)
Vesting of employee Restricted Share and LTIP awards | 2,223 |  | 257 |  |  | 257 | 1,966
Vesting of employee Restricted Share and LTIP awards (in Shares) |  | 95 |  |  |  |  |
Common Shares issued under Employee Share Purchase Plan | 45 |  | 45 |  |  | 45 |
Common Shares issued under Employee Share Purchase Plan (in Shares) |  | 2 |  |  |  |  |
Issuance of LTIP Unit awards to employees | 2,441 |  |  |  |  |  | 2,441
Issuance of Common Shares to trustees | 79 |  | 79 |  |  | 79 |
Issuance of Common Shares to trustees (in Shares) |  | 8 |  |  |  |  |
Exercise of trustees options | 7 |  | 7 |  |  | 7 |
Exercise of trustees options (in Shares) |  | 1 |  |  |  |  |
Employee Restricted Shares cancelled | (724) |  | (724) |  |  | (724) |
Employee Restricted Shares cancelled (in Shares) |  | (40) |  |  |  |  |
Noncontrolling interest distributions | (705) |  |  |  |  |  | (705)
Noncontrolling interest contributions | 43,646 |  |  |  |  |  | 43,646
Balance before adjustment towards comprehensive income | 619,525 | 40 | 303,536 | (2,857) | 2,689 | 303,408 | 316,117
Balance before adjustment towards comprehensive income (in Shares) |  | 40,331 |  |  |  |  |
Net income (loss) | 34,693 |  |  |  | 39,657 | 39,657 | (4,964)
Unrealized loss on valuation of swap agreements | (1,557) |  |  | (803) |  | (803) | (754)
Reclassification of realized interest on swap agreements | 1,637 |  |  | 1,310 |  | 1,310 | 327
Total comprehensive income (loss) | 34,773 |  |  | 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 |  |  |  |  |

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