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v3.3.1.900

Equity and Redeemable Noncontrolling Interests of Equity Residential - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Common Stock, Shares, Outstanding January 1, | 364,755,444 | 362,855,454 | 360,479,260 | 325,054,654
Common Shares Issued: |  |  |  |
Conversion of OP Units | 208,307 | 94,671 | 67,939 |
Stock Issued During Period, Shares, New Issues | 0 | 0 | 34,468,085 |
Exercise of share options | 1,456,363 | 2,086,380 | 586,017 |
Employee Share Purchase Plan (ESPP) | 68,462 | 68,807 | 73,468 |
Restricted share grants, net | 168,142 | 169,722 | 229,097 |
Common Shares Other: |  |  |  |
Conversion of restricted shares to restricted units | (1,284) | (12,146) | 0 |
Stock Repurchased and Retired During Period, Shares | 0 | (31,240) | 0 |
Units |  |  |  |
Units Ownership Interest in Operating Partnership | 3.80% | 3.80% | 3.80% |
Redeemable Noncontrolling Interests – Operating Partnership | $ 566,783 | $ 500,733 | $ 363,144 | $ 398,372
Change in market value of Redeemable Noncontrolling Interests – Operating Partnership | $ 64,378 | $ 139,818 | $ (79,667) |
Common Shares And Units Outstanding | 379,182,608 | 377,154,145 | 374,659,636 |
Change in carrying value | $ 1,672 | $ (2,229) | $ 44,439 |
ERPOP [Member] |  |  |  |
Common Shares Other: |  |  |  |
Conversion of restricted shares to restricted units | 1,284 | 12,146 | 0 |
Stock Repurchased and Retired During Period, Shares |  | (31,240) |  |
Units |  |  |  |
Total Units Outstanding | 14,427,164 | 14,298,691 | 14,180,376 | 13,968,758
Restricted unit grants, net | 335,496 | 200,840 | 279,557 |
Shares Issued During Period Shares Conversion Of Units To Common Shares | (208,307) | (94,671) | (67,939) |

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- Definition Number of all classes of common stock held by shareholders, which is net of related treasury stock, and number of all Operating Partnership Units held by various individuals and entities that contributed their properties to the Operating Partnership. + References No definition available. + Details
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- Definition The number of long term incentive plan units issued during the period as a result of the conversion of restricted shares prior to vesting. + References No definition available. + Details
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- Definition Represents the change in the proportional relationship between the carrying values of equity associated with common shares relative to that of the noncontrolling interests. + References No definition available. + Details
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- Definition The greater of carrying value (book value) or fair market value of an entity's issued and outstanding stock which is not included within permanent equity in Stockholders Equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. + References No definition available. + Details
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- Definition OP Units converted into shares of stock during the period. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). Subject to certain exceptions, this unit can be exchanged for Common Shares on a one-for-one basis. + References No definition available. + Details
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- Definition Number of all Operating Partnership Units held by various individuals and entities that contributed their properties to the Operating Partnership. These units are referred to as noncontrolling interests. + References No definition available. + Details
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- Definition The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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