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CONSOLIDATED STATEMENT OF EQUITY - 9 months ended Sep. 30, 2018 - USD ($) $ in Thousands | Total | Total Stockholders' Equity | Common Stock | Additional Paid-in Capital | Accumulated Deficit | Accumulated Other Comprehensive (Loss) Income | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2017 | 140,993,985 |  | 140,993,985 |  |  |  |
Balance at Dec. 31, 2017 | $ 3,967,999 | $ 3,681,578 | $ 1,410 | $ 4,510,489 | $ (830,279) | $ (42) | $ 286,421
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 55,726 | 48,271 |  |  | 48,271 |  | 7,455
Interest rate cap/swap agreements | 184 | 184 |  |  |  | 184 |
Amortization of share and unit-based plans (in shares) |  |  | 121,924 |  |  |  |
Amortization of share and unit-based plans | 28,219 | 28,219 | $ 1 | 28,218 |  |  |
Employee stock purchases (in shares) |  |  | 17,240 |  |  |  |
Employee stock purchases | 806 | 806 |  | 806 |  |  |
Distributions declared ($2.22) per share | (313,342) | (313,342) |  |  | (313,342) |  |
Distributions to noncontrolling interests | (26,101) |  |  |  |  |  | (26,101)
Contributions from noncontrolling interests | 16 |  |  |  |  |  | 16
Conversion of noncontrolling interests to common shares (in shares) |  |  | 66,711 |  |  |  |
Conversion of noncontrolling interests to common shares | 0 | 75 | $ 1 | 74 |  |  | (75)
Redemption of noncontrolling interests | (719) | (486) |  | (486) |  |  | (233)
Adjustment of noncontrolling interests in Operating Partnership | $ 0 | 24,002 |  | 24,002 |  |  | (24,002)
Balance (in shares) at Sep. 30, 2018 | 141,199,860 |  | 141,199,860 |  |  |  |
Balance at Sep. 30, 2018 | $ 3,287,929 | $ 3,044,448 | $ 1,412 | $ 4,563,103 | $ (1,520,209) | $ 142 | $ 243,481

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