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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (USD $) In Thousands, except Share data | 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 |  | 39,787,000 |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership | 0 | 0 | 3,179 | 0 | 0 | 3,179 | (3,179)
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 359,000 |  |  |  |  |
Dividends declared ($0.54 per Common Share) | (22,274) | 0 | 0 | 0 | (21,721) | (21,721) | (553)
Vesting of employee Restricted Share and LTIP awards | 2,894 | 0 | 1,561 | 0 | 0 | 1,561 | 1,333
Vesting of employee Restricted Share and LTIP awards (in Shares) |  | 133,000 |  |  |  |  |
Common Shares issued under Employee Share Purchase Plan | 75 | 0 | 75 | 0 | 0 | 75 | 0
Common Shares issued under Employee Share Purchase Plan (in Shares) |  | 5,000 |  |  |  |  |
Issuance of Common Shares to trustees | 228 | 0 | 228 | 0 | 0 | 228 | 0
Issuance of Common Shares to trustees (in Shares) |  | 13,000 |  |  |  |  |
Exercise of trustees options | 101 | 0 | 101 | 0 | 0 | 101 | 0
Exercise of trustees options (in Shares) |  | 7,000 |  |  |  |  |
Employee Restricted Shares cancelled | (966) | 0 | (966) | 0 | 0 | (966) | 0
Employee Restricted Shares cancelled (in Shares) |  | (57,000) |  |  |  |  |
Noncontrolling interest distributions | (856) | 0 | 0 | 0 | 0 | 0 | (856)
Noncontrolling Interest contributions | 21,076 | 0 | 0 | 0 | 0 | 0 | 21,076
Balance before adjustment towards comprehensive income | 532,755 | 40 | 303,192 | (2,994) | (5,596) | 294,642 | 238,113
Balance before adjustment towards comprehensive income (in Shares) |  | 40,247,000 |  |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | 41,285 | 0 | 0 | 0 | 23,045 | 23,045 | 18,240
Unrealized loss on valuation of swap agreements | (2,336) | 0 | 0 | (2,263) | 0 | (2,263) | (73)
Reclassification of realized interest on swap agreements | 2,136 | 0 | 0 | 1,891 | 0 | 1,891 | 245
Total comprehensive income (loss) | 41,085 | 0 | 0 | (372) | 23,045 | 22,673 | 18,412
Balance at Sep. 30, 2010 | 573,840 | 40 | 303,192 | (3,366) | 17,449 | 317,315 | 256,525
Balance (in Shares) at Sep. 30, 2010 |  | 40,247,000 |  |  |  |  |
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 | 40,254,525 | 40,254,000 |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership | 0 | 0 | 49 | 0 | 0 | 49 | (49)
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 11,000 |  |  |  |  |
Dividends declared ($0.54 per Common Share) | (22,514) | 0 | 0 | 0 | (21,776) | (21,776) | (738)
Vesting of employee Restricted Share and LTIP awards | 3,218 | 0 | 389 | 0 | 0 | 389 | 2,829
Vesting of employee Restricted Share and LTIP awards (in Shares) |  | 95,000 |  |  |  |  |
Common Shares issued under Employee Share Purchase Plan | 68 | 0 | 68 | 0 | 0 | 68 | 0
Common Shares issued under Employee Share Purchase Plan (in Shares) |  | 4,000 |  |  |  |  |
Issuance of LTIP Unit awards to employees | 2,441 | 0 | 0 | 0 | 0 | 0 | 2,441
Issuance of Common Shares to trustees | 171 | 0 | 171 | 0 | 0 | 171 | 0
Issuance of Common Shares to trustees (in Shares) |  | 8,000 |  |  |  |  |
Exercise of trustees options | 7 | 0 | 7 | 0 | 0 | 7 | 0
Exercise of trustees 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 | (815) | 0 | 0 | 0 | 0 | 0 | (815)
Noncontrolling Interest contributions | 43,646 | 0 | 0 | 0 | 0 | 0 | 43,646
Balance before adjustment towards comprehensive income | 613,020 | 40 | 303,783 | (2,857) | (4,570) | 296,396 | 316,624
Balance before adjustment towards comprehensive income (in Shares) |  | 40,333,000 |  |  |  |  |
Comprehensive income (loss): |  |  |  |  |  |  |
Net income (loss) | 39,340 | 0 | 0 | 0 | 43,668 | 43,668 | (4,328)
Unrealized loss on valuation of swap agreements | (5,209) | 0 | 0 | (3,265) | 0 | (3,265) | (1,944)
Reclassification of realized interest on swap agreements | 2,398 | 0 | 0 | 1,891 | 0 | 1,891 | 507
Total comprehensive income (loss) | 36,529 | 0 | 0 | (1,374) | 43,668 | 42,294 | (5,765)
Balance at Sep. 30, 2011 | $ 649,549 | $ 40 | $ 303,783 | $ (4,231) | $ 39,098 | $ 338,690 | $ 310,859
Balance (in Shares) at Sep. 30, 2011 | 40,333,233 | 40,333,000 |  |  |  |  |

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