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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Thousands, $ in Thousands | Total Stockholders' Equity | Common Stock | Additional Paid-In Capital | Cumulative Dividends In Excess Of Earnings | Accumulated Other Comprehensive Loss | Noncontrolling Interests | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 10,735,297 | $ 459,746 | $ 11,431,987 | $ (1,132,541) | $ (23,895) | $ 261,802 | $ 10,997,099
Balance (in shares) at Dec. 31, 2014 |  | 459,746 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 39,633 |  |  | 39,633 |  | 8,566 | 48,199
Other comprehensive income | (8,555) |  |  |  | (8,555) |  | (8,555)
Issuance of common stock, net | 144,645 | $ 4,054 | 140,591 |  |  | (2,659) | 141,986
Issuance of common stock, net (in shares) |  | 4,054 |  |  |  |  |
Conversion of DownREIT units (in shares) |  | 75 |  |  |  |  |
Repurchase of common stock | (8,006) | $ (178) | (7,828) |  |  |  | (8,006)
Repurchase of common stock (in shares) |  | (178) |  |  |  |  |
Exercise of stock options | 27,511 | $ 820 | 26,691 |  |  |  | 27,511
Exercise of stock options (in shares) |  | 820 |  |  |  |  |
Amortization of deferred compensation | 21,068 |  | 21,068 |  |  |  | 21,068
Common dividends | (783,578) |  |  | (783,578) |  |  | (783,578)
Distributions to noncontrolling interests | (263) |  | (263) |  |  | (13,444) | (13,707)
Issuance of noncontrolling interests |  |  |  |  |  | 38,440 | 38,440
Balance at Sep. 30, 2015 | 10,167,752 | $ 464,442 | 11,612,246 | (1,876,486) | (32,450) | 292,705 | 10,460,457
Balance (in shares) at Sep. 30, 2015 |  | 464,442 |  |  |  |  |
Balance at Dec. 31, 2015 | 9,343,643 | $ 465,488 | 11,647,039 | (2,738,414) | (30,470) | 402,674 | 9,746,317
Balance (in shares) at Dec. 31, 2015 |  | 465,488 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Net income | 569,086 |  |  | 569,086 |  | 9,540 | 578,626
Other comprehensive income | 306 |  |  |  | 306 |  | 306
Issuance of common stock, net | 55,711 | $ 2,290 | 53,421 |  |  |  | 55,711
Issuance of common stock, net (in shares) |  | 2,290 |  |  |  |  |
Conversion of DownREIT units to common stock | 6,093 | $ 145 | 5,948 |  |  | (6,093) |
Conversion of DownREIT units (in shares) |  | 145 |  |  |  |  |
Repurchase of common stock | (8,667) | $ (236) | (8,431) |  |  |  | (8,667)
Repurchase of common stock (in shares) |  | (236) |  |  |  |  |
Exercise of stock options | 3,473 | $ 133 | 3,340 |  |  |  | 3,473
Exercise of stock options (in shares) |  | 133 |  |  |  |  |
Amortization of deferred compensation | 19,307 |  | 19,307 |  |  |  | 19,307
Common dividends | (806,243) |  |  | (806,243) |  |  | (806,243)
Distributions to noncontrolling interests | (36) |  | (36) |  |  | (18,651) | (18,687)
Issuance of noncontrolling interests |  |  |  |  |  | 4,785 | 4,785
Deconsolidation of noncontrolling interests | 439 |  | (36) | 475 |  | 67 | 506
Balance at Sep. 30, 2016 | $ 9,183,112 | $ 467,820 | $ 11,720,552 | $ (2,975,096) | $ (30,164) | $ 392,322 | $ 9,575,434
Balance (in shares) at Sep. 30, 2016 |  | 467,820 |  |  |  |  |

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