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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Shares | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Distributions in Excess of Accumulated Earnings | Total Common Shareholders' Equity | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2017 | $ 2,215,639 | $ 84 | $ 1,596,514 | $ 2,614 | $ (32,013) | $ 1,567,199 | $ 648,440
Balance (in Shares) at Dec. 31, 2017 |  | 83,708,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership | 0 |  | 642 |  |  | 642 | (642)
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 38,000 |  |  |  |  |
Repurchase of Common Shares | (31,961) | $ (2) | (31,959) |  |  | (31,961) |
Repurchase of Common Shares (in shares) |  | (1,304,000) |  |  |  |  |
Dividends/distribution declared ($0.28 and $0.27 per Common Share/OP Unit for Three Months Ended March 31, 2019 and 2018) | (23,983) |  |  |  | (22,262) | (22,262) | (1,721)
Employee and trustee stock compensation, net | 3,811 |  | 95 |  |  | 95 | 3,716
Employee and trustee stock compensation, net (in Shares) |  | 9,000 |  |  |  |  |
Noncontrolling interest distributions | (695) |  |  |  |  |  | (695)
Comprehensive (loss) income | 1,856 |  |  | 4,762 | 7,419 | 12,181 | (10,325)
Reallocation of noncontrolling interests | 0 |  | (1,225) |  |  | (1,225) | 1,225
Ending Balance at Mar. 31, 2018 | 2,164,667 | $ 82 | 1,564,067 | 7,376 | (46,856) | 1,524,669 | 639,998
Balance (in Shares) at Mar. 31, 2018 |  | 82,451,000 |  |  |  |  |
Beginning Balance at Dec. 31, 2017 | 2,215,639 | $ 84 | 1,596,514 | 2,614 | (32,013) | 1,567,199 | 648,440
Balance (in Shares) at Dec. 31, 2017 |  | 83,708,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Repurchase of Common Shares | $ (55,100) |  |  |  |  |  |
Repurchase of Common Shares (in shares) | (2,294,235) |  |  |  |  |  |
Ending Balance at Dec. 31, 2018 | $ 2,081,947 | $ 82 | 1,548,603 | 516 | (89,696) | 1,459,505 | 622,442
Balance (in Shares) at Dec. 31, 2018 | 81,557,472 | 81,557,000 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership | $ 0 |  | 2,953 |  |  | 2,953 | (2,953)
Conversion of OP Units to Common Shares by limited partners of the Operating Partnership (in Shares) |  | 175,000 |  |  |  |  |
Repurchase of Common Shares (in shares) | 0 |  |  |  |  |  |
Issuance of Common Shares | $ 27,834 | $ 1 | 27,833 |  |  | 27,834 |
Issuance of Common Shares (in Shares) |  | 971,000 |  |  |  |  |
Dividends/distribution declared ($0.28 and $0.27 per Common Share/OP Unit for Three Months Ended March 31, 2019 and 2018) | (24,916) |  |  |  | (23,135) | (23,135) | (1,781)
Employee and trustee stock compensation, net | 3,454 |  | 94 |  |  | 94 | 3,360
Employee and trustee stock compensation, net (in Shares) |  | 5,000 |  |  |  |  |
Noncontrolling interest distributions | (3,237) |  |  |  |  |  | (3,237)
Noncontrolling interest contributions | 32,191 |  |  |  |  |  | 32,191
Comprehensive (loss) income | (10,921) |  |  | (11,537) | 12,197 | 660 | (11,581)
Reallocation of noncontrolling interests | 0 |  | (1,980) |  |  | (1,980) | 1,980
Ending Balance at Mar. 31, 2019 | $ 2,106,352 | $ 83 | $ 1,577,503 | $ (11,021) | $ (100,634) | $ 1,465,931 | $ 640,421
Balance (in Shares) at Mar. 31, 2019 | 82,708,361 | 82,708,000 |  |  |  |  |

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