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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 | Total Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | ---
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) |  | 486,278 |  |  | 480,528 |  | 480,528 | 5,750
Other comprehensive income (loss) |  | 2,353 |  |  |  | 2,353 | 2,353 |
Issuance of common stock, net |  | 13,293 | $ 850 | 12,443 |  |  | 13,293 |
Issuance of common stock, net (in shares) |  |  | 850 |  |  |  |  |
Conversion of DownREIT units to common stock |  | 0 | $ 68 | 2,003 |  |  | 2,071 | (2,071)
Conversion of DownREIT units to common stock (in shares) |  |  | 68 |  |  |  |  |
Repurchase of common stock |  | (4,361) | $ (141) | (4,220) |  |  | (4,361) |
Repurchase of common stock (in shares) |  |  | (141) |  |  |  |  |
Exercise of stock options (in shares) |  |  | 21 |  |  |  |  |
Exercise of stock options |  | 594 | $ 21 | 573 |  |  | 594 |
Amortization of deferred compensation |  | 7,092 |  | 7,092 |  |  | 7,092 |
Common dividends |  | (347,118) |  |  | (347,118) |  | (347,118) |
Distributions to noncontrolling interest |  | (13,087) |  | 0 |  |  |  | (13,087)
Issuances of noncontrolling interest |  | 650 |  |  |  |  |  | 650
Deconsolidation of noncontrolling interest |  | (58,061) |  | 0 | 0 |  |  | (58,061)
Balance at Jun. 30, 2017 |  | 6,028,941 | $ 468,879 | 8,216,781 | (2,956,324) | (27,289) | 5,702,047 | 326,894
Balance (in shares) at Jun. 30, 2017 |  |  | 468,879 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |
Cumulative effect of new accounting principle | [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
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 |  |  |  |  |  |  |  |
Net income (loss) |  | 136,165 |  |  | 130,174 |  | 130,174 | 5,991
Other comprehensive income (loss) |  | 19,944 |  |  |  | 19,944 | 19,944 |
Issuance of common stock, net |  | 3,433 | $ 511 | 2,922 |  |  | 3,433 |
Issuance of common stock, net (in shares) |  |  | 511 |  |  |  |  |
Repurchase of common stock |  | (2,778) | $ (117) | (2,661) |  |  | (2,778) |
Repurchase of common stock (in shares) |  |  | (117) |  |  |  |  |
Amortization of deferred compensation |  | 10,218 |  | 10,218 |  |  | 10,218 |
Common dividends |  | (348,439) |  |  | (348,439) |  | (348,439) |
Distributions to noncontrolling interest |  | (9,466) |  |  |  |  |  | (9,466)
Issuances of noncontrolling interest |  | 995 |  |  |  |  |  | 995
Purchase of noncontrolling interest |  | (67,431) |  | (49,207) |  |  | (49,207) | (18,224)
Balance at Jun. 30, 2018 |  | $ 5,416,723 | $ 469,830 | $ 8,187,385 | $ (3,509,641) | $ (4,080) | $ 5,143,494 | $ 273,229
Balance (in shares) at Jun. 30, 2018 |  |  | 469,830 |  |  |  |  |
[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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