XML 41 R25.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Net Income Per Common Share and Net Income Per Common Unit (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
Net Income Per Share and Net Income Per Unit [Line Items] |
Schedule of net income per common share | Essex Property Trust, Inc.
| Three Months Ended September 30, 2016 |  | Three Months Ended September 30, 2015
| Income |  | Weighted- average Common Shares |  | Per Common Share Amount |  | Income |  | Weighted- average Common Shares |  | Per Common Share Amount
Basic: |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 65,561 |  |  | 65,507,669 |  |  | $ | 1.00 |  |  | $ | 42,323 |  |  | 65,138,868 |  |  | $ | 0.65 |
Effect of Dilutive Securities | — |  |  | 109,882 |  |  |  |  |  | — |  |  | 158,682 |  |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 65,561 |  |  | 65,617,551 |  |  | $ | 1.00 |  |  | $ | 42,323 |  |  | 65,297,550 |  |  | $ | 0.65 |
| Nine Months Ended September 30, 2016 |  | Nine Months Ended September 30, 2015
| Income |  | Weighted- average Common Shares |  | Per Common Share Amount |  | Income |  | Weighted- average Common Shares |  | Per Common Share Amount
Basic: |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 215,555 |  |  | 65,455,004 |  |  | $ | 3.29 |  |  | $ | 147,241 |  |  | 64,714,994 |  |  | $ | 2.28 |
Effect of Dilutive Securities | — |  |  | 123,657 |  |  |  |  |  | — |  |  | 177,776 |  |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 215,555 |  |  | 65,578,661 |  |  | $ | 3.29 |  |  | $ | 147,241 |  |  | 64,892,770 |  |  | $ | 2.27 |
Essex Portfolio, L.P. [Member] |
Net Income Per Share and Net Income Per Unit [Line Items] |
Schedule of net income per common share | Essex Portfolio, L.P.
| Three Months Ended September 30, 2016 |  | Three Months Ended September 30, 2015
| Income |  | Weighted- average Common Units |  | Per Common Unit Amount |  | Income |  | Weighted- average Common Units |  | Per Common Unit Amount
Basic: |  |  |  |  |  |  |  |  |  |  |
Net income available to common unitholders | $ | 67,784 |  |  | 67,728,621 |  |  | $ | 1.00 |  |  | $ | 43,794 |  |  | 67,316,498 |  |  | $ | 0.65 |
Effect of Dilutive Securities | — |  |  | 109,882 |  |  |  |  |  | — |  |  | 158,682 |  |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common unitholders | $ | 67,784 |  |  | 67,838,503 |  |  | $ | 1.00 |  |  | $ | 43,794 |  |  | 67,475,180 |  |  | $ | 0.65 |
| Nine Months Ended September 30, 2016 |  | Nine Months Ended September 30, 2015
| Income |  | Weighted- average Common Units |  | Per Common Unit Amount |  | Income |  | Weighted- average Common Units |  | Per Common Unit Amount
Basic: |  |  |  |  |  |  |  |  |  |  |
Net income available to common unitholders | $ | 223,012 |  |  | 67,679,240 |  |  | $ | 3.30 |  |  | $ | 152,356 |  |  | 66,896,293 |  |  | $ | 2.28 |
Effect of Dilutive Securities | — |  |  | 123,657 |  |  |  |  |  | — |  |  | 177,776 |  |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common unitholders | $ | 223,012 |  |  | 67,802,897 |  |  | $ | 3.29 |  |  | $ | 152,356 |  |  | 67,074,069 |  |  | $ | 2.27 |

X
- Definition The amount of net income or loss for the period per each share. + References No definition available. + Details
Name: | ess_NetIncomePerCommonShareTableTextBlock
Namespace Prefix: | ess_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | ess_NetIncomePerShareAndNetIncomePerUnitLineItems
Namespace Prefix: | ess_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=us-gaap_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |