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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Cumulative Dividends In Excess Of Earnings | Accumulated Other Comprehensive Income (Loss) | Total Stockholders’ Equity | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2015 |  | $ 9,746,317 | $ 465,488 | $ 11,647,039 | $ (2,738,414) | $ (30,470) | $ 9,343,643 | $ 402,674
Balance (in shares) at Dec. 31, 2015 |  |  | 465,488 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |
Net income (loss) |  | 639,926 |  |  | 627,747 |  | 627,747 | 12,179
Other comprehensive income (loss) |  | 828 |  |  |  | 828 | 828 |
Issuance of common stock, net |  | 64,177 | $ 2,552 | 61,625 |  |  | 64,177 | 0
Issuance of common stock, net (in shares) |  |  | 2,552 |  |  |  |  |
Conversion of DownREIT units to common stock |  | 0 | $ 145 | 5,948 |  |  | 6,093 | (6,093)
Conversion of DownREIT units to common stock (in shares) |  |  | 145 |  |  |  |  |
Repurchase of common stock |  | (8,685) | $ (237) | (8,448) |  |  | (8,685) |
Repurchase of common stock (in shares) |  |  | (237) |  |  |  |  |
Exercise of stock options |  | 3,473 | $ 133 | 3,340 |  |  | 3,473 |
Exercise of stock options (in shares) |  |  | 133 |  |  |  |  |
Amortization of deferred compensation |  | 22,884 |  | 22,884 |  |  | 22,884 |
Common dividends |  | (979,542) |  |  | (979,542) |  | (979,542) |
Distribution of QCP, Inc. |  | (3,532,763) |  | (3,532,763) |  |  | (3,532,763) |
Distributions to noncontrolling interests |  | (26,347) |  | (36) |  |  | (36) | (26,311)
Issuances of noncontrolling interests |  | 11,834 |  |  |  |  |  | 11,834
Deconsolidation of noncontrolling interests |  | 506 |  | (36) | 475 |  | 439 | 67
Purchase of noncontrolling interests |  | (1,300) |  | (663) |  |  | (663) | (637)
Balance at Dec. 31, 2016 |  | 5,941,308 | $ 468,081 | 8,198,890 | (3,089,734) | (29,642) | 5,547,595 | 393,713
Balance (in shares) at Dec. 31, 2016 |  |  | 468,081 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |
Net income (loss) |  | 422,634 |  |  | 414,169 |  | 414,169 | 8,465
Other comprehensive income (loss) |  | 5,618 |  |  |  | 5,618 | 5,618 |
Issuance of common stock, net |  | 27,353 | $ 1,402 | 25,951 |  |  | 27,353 |
Issuance of common stock, net (in shares) |  |  | 1,402 |  |  |  |  |
Conversion of DownREIT units to common stock |  | 0 | $ 78 | 2,411 |  |  | 2,489 | (2,489)
Conversion of DownREIT units to common stock (in shares) |  |  | 78 |  |  |  |  |
Repurchase of common stock |  | (4,785) | $ (157) | (4,628) |  |  | (4,785) |
Repurchase of common stock (in shares) |  |  | (157) |  |  |  |  |
Exercise of stock options |  | 768 | $ 32 | 736 |  |  | 768 |
Exercise of stock options (in shares) |  |  | 32 |  |  |  |  |
Amortization of deferred compensation |  | 14,258 |  | 14,258 |  |  | 14,258 |
Common dividends |  | (694,955) |  |  | (694,955) |  | (694,955) |
Distributions to noncontrolling interests |  | (26,129) |  |  |  |  |  | (26,129)
Issuances of noncontrolling interests |  | 1,615 |  |  |  |  |  | 1,615
Deconsolidation of noncontrolling interests |  | (58,062) |  |  |  |  |  | (58,062)
Purchase of noncontrolling interests |  | (34,685) |  | (11,505) |  |  | (11,505) | (23,180)
Balance at Dec. 31, 2017 |  | 5,594,938 | $ 469,436 | 8,226,113 | (3,370,520) | (24,024) | 5,301,005 | 293,933
Balance (in shares) at Dec. 31, 2017 |  |  | 469,436 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |
Impact of adoption of ASU No. 2017-05 | [1] | 79,144 |  |  | 79,144 |  | 79,144 |
Adjusted balance |  | 5,674,082 | $ 469,436 | 8,226,113 | (3,291,376) | (24,024) | 5,380,149 | 293,933
Net income (loss) |  | 1,073,474 |  |  | 1,061,093 |  | 1,061,093 | 12,381
Other comprehensive income (loss) |  | 19,316 |  |  |  | 19,316 | 19,316 |
Issuance of common stock, net |  | 215,179 | $ 8,078 | 207,101 |  |  | 215,179 |
Issuance of common stock, net (in shares) |  |  | 8,078 |  |  |  |  |
Conversion of DownREIT units to common stock |  | 0 | $ 3 | 133 |  |  | 136 | $ (136)
Conversion of DownREIT units to common stock (in shares) |  |  | 3 |  |  |  |  | 7,000
Repurchase of common stock |  | (3,432) | $ (141) | (3,291) |  |  | (3,432) |
Repurchase of common stock (in shares) |  |  | (141) |  |  |  |  |
Exercise of stock options |  | 2,477 | $ 120 | 2,357 |  |  | 2,477 |
Exercise of stock options (in shares) |  |  | 120 |  |  |  |  |
Amortization of deferred compensation |  | 16,563 |  | 16,563 |  |  | 16,563 |
Common dividends |  | (696,913) |  |  | (696,913) |  | (696,913) |
Distributions to noncontrolling interests |  | (18,415) |  |  |  |  |  | $ (18,415)
Issuances of noncontrolling interests |  | 299,666 |  |  |  |  |  | 299,666
Purchase of noncontrolling interests |  | (69,406) |  | (50,129) |  |  | (50,129) | (19,277)
Balance at Dec. 31, 2018 |  | $ 6,512,591 | $ 477,496 | $ 8,398,847 | $ (2,927,196) | $ (4,708) | $ 5,944,439 | $ 568,152
Balance (in shares) at Dec. 31, 2018 |  |  | 477,496 |  |  |  |  |
[1] | On January 1, 2018, the Company adopted Accounting Standards Update (“ASU”) No. 2017-05, Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets (“ASU 2017-05”), and recognized the cumulative-effect of adoption to beginning retained earnings. Refer to Note 2 for a detailed impact of adoption.

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