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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands | Total Shareholders' Equity | Common Shares | Preferred Shares | Additional Paid-in Capital | Accumulated Other Comprehensive (Loss) Income | Accumulated Deficit | Noncontrolling Interest in Subsidiaries | Noncontrolling Interests in Operating Partnership | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 1,448,026 | $ 1,639 | $ 31 | $ 1,974,308 | $ (8,759) | $ (519,193) | $ 1,592 |  | $ 1,449,618
Balance (in shares) at Dec. 31, 2014 |  | 163,957,000 | 3,100,000 |  |  |  |  |  |
Balance of Noncontrolling Interests in the Operating Partnership at Dec. 31, 2014 |  |  |  |  |  |  |  | $ 49,823 |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |
Contributions from noncontrolling interests in subsidiaries |  |  |  |  |  |  | 178 |  | 178
Distributions to noncontrolling interests in subsidiaries |  |  |  |  |  |  | (319) |  | (319)
Issuance of common shares | 234,061 | $ 91 |  | 233,970 |  |  |  |  | 234,061
Issuance of common shares (in shares) |  | 8,978,000 |  |  |  |  |  |  |
Issuance of restricted shares | 1 | $ 1 |  |  |  |  |  |  | 1
Issuance of restricted shares (in shares) |  | 161,000 |  |  |  |  |  |  |
Issuance of OP Shares |  |  |  |  |  |  |  | 500 |
Conversion from units to shares | 3,275 | $ 2 |  | 3,273 |  |  |  | (3,275) | 3,275
Conversion from units to shares (in shares) |  | 118,000 |  |  |  |  |  |  |
Exercise of stock options | 17,489 | $ 14 |  | 17,475 |  |  |  |  | 17,489
Exercise of stock options (in shares) |  | 1,454,000 |  |  |  |  |  |  |
Amortization of restricted shares | 1,166 |  |  | 1,166 |  |  |  |  | 1,166
Share compensation expense | 989 |  |  | 989 |  |  |  |  | 989
Adjustment for noncontrolling interest in the Operating Partnership | (19,619) |  |  |  |  | (19,619) |  | 19,619 | (19,619)
Net income (loss) | 77,712 |  |  |  |  | 77,712 | 84 |  | 77,796
Net income (loss) |  |  |  |  |  |  |  | 960 |
Other comprehensive income (loss), net | 3,781 |  |  |  | 3,781 |  | (9) |  | 3,772
Other comprehensive income (loss), net |  |  |  |  |  |  |  | 32 |
Preferred share distributions | (6,008) |  |  |  |  | (6,008) |  |  | (6,008)
Common share distributions | (117,546) |  |  |  |  | (117,546) |  | (1,531) | (117,546)
Balance at Dec. 31, 2015 | 1,643,327 | $ 1,747 | $ 31 | 2,231,181 | (4,978) | (584,654) | 1,526 |  | 1,644,853
Balance (in shares) at Dec. 31, 2015 |  | 174,668,000 | 3,100,000 |  |  |  |  |  |
Balance of Noncontrolling Interests in the Operating Partnership at Dec. 31, 2015 |  |  |  |  |  |  |  | 66,128 |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |
Contributions from noncontrolling interests in subsidiaries |  |  |  |  |  |  | 4,799 |  | 4,799
Issuance of common shares | 136,121 | $ 44 |  | 136,077 |  |  |  |  | 136,121
Issuance of common shares (in shares) |  | 4,408,000 |  |  |  |  |  |  |
Issuance of restricted shares | 1 | $ 1 |  |  |  |  |  |  | 1
Issuance of restricted shares (in shares) |  | 123,000 |  |  |  |  |  |  |
Issuance of OP Shares |  |  |  |  |  |  |  | 1,500 |
Conversion from units to shares | 4,876 | $ 2 |  | 4,874 |  |  |  | (4,876) | 4,876
Conversion from units to shares (in shares) |  | 188,000 |  |  |  |  |  |  |
Exercise of stock options | 13,283 | $ 7 |  | 13,276 |  |  |  |  | 13,283
Exercise of stock options (in shares) |  | 696,000 |  |  |  |  |  |  |
Amortization of restricted shares | 1,952 |  |  | 1,952 |  |  |  |  | 1,952
Share compensation expense | 1,260 |  |  | 1,260 |  |  |  |  | 1,260
Adjustment for noncontrolling interest in the Operating Partnership | 7,388 |  |  |  |  | 7,388 |  | (7,388) | 7,388
Net income (loss) | 87,905 |  |  |  |  | 87,905 | (470) |  | 87,435
Net income (loss) |  |  |  |  |  |  |  | 941 |
Other comprehensive income (loss), net | 3,128 |  |  |  | 3,128 |  |  |  | 3,128
Other comprehensive income (loss), net |  |  |  |  |  |  |  | 37 |
Preferred share distributions | (5,045) |  |  |  |  | (5,045) |  |  | (5,045)
Preferred share redemption | (77,574) |  | $ (31) | (74,606) |  | (2,937) |  |  | (77,574)
Preferred share redemption (in shares) |  |  | (3,100,000) |  |  |  |  |  |
Common share distributions | (161,240) |  |  |  |  | (161,240) |  | (1,935) | (161,240)
Balance at Dec. 31, 2016 | 1,655,382 | $ 1,801 |  | 2,314,014 | (1,850) | (658,583) | 5,855 |  | 1,661,237
Balance (in shares) at Dec. 31, 2016 |  | 180,083,000 |  |  |  |  |  |  |
Balance of Noncontrolling Interests in the Operating Partnership at Dec. 31, 2016 |  |  |  |  |  |  |  | 54,407 | 54,407
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |
Contributions from noncontrolling interests in subsidiaries |  |  |  |  |  |  | 1,058 |  | 1,058
Acquisition of noncontrolling interest in subsidiary | (8,626) |  |  | (8,626) |  |  | (407) |  | (9,033)
Issuance of common shares | 29,642 | $ 10 |  | 29,632 |  |  |  |  | 29,642
Issuance of common shares (in shares) |  | 1,036,000 |  |  |  |  |  |  |
Issuance of restricted shares | 1 | $ 1 |  |  |  |  |  |  | 1
Issuance of restricted shares (in shares) |  | 106,000 |  |  |  |  |  |  |
Issuance of OP Shares |  |  |  |  |  |  |  | 12,324 |
Conversion from units to shares | 15,706 | $ 6 |  | 15,700 |  |  |  | (15,706) | 15,706
Conversion from units to shares (in shares) |  | 594,000 |  |  |  |  |  |  |
Exercise of stock options | 2,364 | $ 4 |  | 2,360 |  |  |  |  | 2,364
Exercise of stock options (in shares) |  | 397,000 |  |  |  |  |  |  |
Amortization of restricted shares | 2,009 |  |  | 2,009 |  |  |  |  | 2,009
Share compensation expense | 1,531 |  |  | 1,531 |  |  |  |  | 1,531
Adjustment for noncontrolling interest in the Operating Partnership | (3,965) |  |  |  |  | (3,965) |  | 3,965 | (3,965)
Net income (loss) | 134,288 |  |  |  |  | 134,288 | (270) |  | 134,018
Net income (loss) |  |  |  |  |  |  |  | 1,593 |
Other comprehensive income (loss), net | 1,853 |  |  |  | 1,853 |  |  |  | 1,853
Other comprehensive income (loss), net |  |  |  |  |  |  |  | 22 |
Common share distributions | (201,051) |  |  |  |  | (201,051) |  | (2,285) | (201,051)
Balance at Dec. 31, 2017 | $ 1,629,134 | $ 1,822 |  | $ 2,356,620 | $ 3 | $ (729,311) | $ 6,236 |  | 1,635,370
Balance (in shares) at Dec. 31, 2017 |  | 182,216,000 |  |  |  |  |  |  |
Balance of Noncontrolling Interests in the Operating Partnership at Dec. 31, 2017 |  |  |  |  |  |  |  | $ 54,320 | $ 54,320

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