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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
--- | --- | --- | --- | --- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |
Impact of adoption of ASUs | [1] | $ 590 |  |  | $ 590 |  | $ 590 |
Adjusted balance, January 1 |  | 6,513,181 | $ 477,496 | $ 8,398,847 | (2,926,606) | $ (4,708) | 5,945,029 | $ 568,152
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 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |
Net income (loss) |  | 64,990 |  |  | 61,470 |  | 61,470 | 3,520
Other comprehensive income (loss) |  | 825 |  |  |  | 825 | 825 |
Issuance of common stock, net |  | 1,532 | $ 342 | 1,190 |  |  | 1,532 |
Issuance of common stock, net (in shares) |  |  | 342 |  |  |  |  |
Conversion of DownREIT units to common stock |  | 0 | $ 184 | 3,890 |  |  | 4,074 | (4,074)
Conversion of DownREIT units to common stock (in shares) |  |  | 184 |  |  |  |  |
Repurchase of common stock |  | (2,919) | $ (95) | (2,824) |  |  | (2,919) |
Repurchase of common stock (in shares) |  |  | (95) |  |  |  |  |
Exercise of stock options |  | 46 | $ 2 | 44 |  |  | 46 |
Exercise of stock options (in shares) |  |  | 2 |  |  |  |  |
Amortization of deferred compensation |  | 4,111 |  | 4,111 |  |  | 4,111 |
Common dividends (usd per share) |  | (177,286) |  |  | (177,286) |  | (177,286) |
Distributions to noncontrolling interests |  | (5,415) |  |  |  |  |  | (5,415)
Balance at Mar. 31, 2019 |  | 6,399,065 | $ 477,929 | 8,405,258 | (3,042,422) | (3,883) | 5,836,882 | 562,183
Balance (in shares) at Mar. 31, 2019 |  |  | 477,929 |  |  |  |  |
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 |  |  |  |  |
Balance at Dec. 31, 2019 |  | 6,667,474 | $ 505,222 | 9,183,892 | (3,601,199) | (2,857) | 6,085,058 | 582,416
Balance (in shares) at Dec. 31, 2019 |  |  | 505,222 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |
Impact of adoption of ASUs | [2] | (1,524) |  |  | (1,524) |  | (1,524) |
Adjusted balance, January 1 |  | 6,665,950 | $ 505,222 | 9,183,892 | (3,602,723) | (2,857) | 6,083,534 | 582,416
Net income (loss) |  | 282,540 |  |  | 279,080 |  | 279,080 | 3,460
Other comprehensive income (loss) |  | 362 |  |  |  | 362 | 362 |
Issuance of common stock, net |  | 1,064,622 | $ 33,104 | 1,031,518 |  |  | 1,064,622 |
Issuance of common stock, net (in shares) |  |  | 33,104 |  |  |  |  |
Conversion of DownREIT units to common stock |  | 0 | $ 23 | 486 |  |  | 509 | (509)
Conversion of DownREIT units to common stock (in shares) |  |  | 23 |  |  |  |  |
Repurchase of common stock |  | (9,737) | $ (268) | (9,469) |  |  | (9,737) |
Repurchase of common stock (in shares) |  |  | (268) |  |  |  |  |
Exercise of stock options |  | 1,806 | $ 54 | 1,752 |  |  | 1,806 |
Exercise of stock options (in shares) |  |  | 54 |  |  |  |  |
Amortization of deferred compensation |  | 4,832 |  | 4,832 |  |  | 4,832 |
Common dividends (usd per share) |  | (188,500) |  |  | (188,500) |  | (188,500) |
Distributions to noncontrolling interests |  | (8,432) |  |  |  |  |  | (8,432)
Balance at Mar. 31, 2020 |  | $ 7,813,443 | $ 538,135 | $ 10,213,011 | $ (3,512,143) | $ (2,495) | $ 7,236,508 | $ 576,935
Balance (in shares) at Mar. 31, 2020 |  |  | 538,135 |  |  |  |  |
[1] | On January 1, 2019, the Company adopted a series of ASUs related to accounting for leases and recognized the cumulative-effect of adoption to beginning retained earnings. Refer to Note 2 for a detailed impact of adoption.
[2] | On January 1, 2020, the Company adopted a series of Accounting Standards Updates (“ASUs”) related to accounting for credit losses 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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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=116874947&loc=SL4590271-111686 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 + Details
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- Definition Amount of stockholders' equity including the portion attributable to noncontrolling interests, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption. + References No definition available. + Details
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