XML 63 R44.htm IDEA: XBRL DOCUMENT
v3.22.4

Net Income Per Common Share and Net Income Per Common Unit (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Net Income Per Share and Net Income Per Unit [Line Items] |
Schedule of Net Income Per Common Share and Net Income Per Unit | Basic and diluted income per share is calculated as follows for the years ended December 31 ($ in thousands, except share and per share amounts):
| 2022 |  | 2021 |  | 2020
| Income |  | Weighted- average Common Shares |  | Per Common Share Amount |  | 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 | $ | 408,315 |  |  | 65,079,764 |  |  | $ | 6.27 |  |  | $ | 488,554 |  |  | 65,051,465 |  |  | $ | 7.51 |  |  | $ | 568,870 |  |  | 65,454,057 |  |  | $ | 8.69 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options |  |  | 18,422 |  |  |  |  | — |  |  | 37,409 |  |  |  |  | — |  |  | 16,678 |  |  |
DownREIT units | — |  |  | — |  |  |  |  | — |  |  | — |  |  |  |  | 783 |  |  | 94,247 |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 408,315 |  |  | 65,098,186 |  |  | $ | 6.27 |  |  | $ | 488,554 |  |  | 65,088,874 |  |  | $ | 7.51 |  |  | $ | 569,653 |  |  | 65,564,982 |  |  | $ | 8.69 |
Essex Portfolio, L.P. |
Net Income Per Share and Net Income Per Unit [Line Items] |
Schedule of Net Income Per Common Share and Net Income Per Unit | Basic and diluted income per unit is calculated as follows for the years ended December 31 ($ in thousands, except unit and per unit amounts):
| 2022 |  | 2021 |  | 2020
| Income |  | Weighted- average Common Units |  | Per Common Unit Amount |  | 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 | $ | 422,612 |  |  | 67,356,105 |  |  | $ | 6.27 |  |  | $ | 505,745 |  |  | 67,340,856 |  |  | $ | 7.51 |  |  | $ | 588,782 |  |  | 67,750,665 |  |  | $ | 8.69 |
Effect of Dilutive Securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options | — |  |  | 18,422 |  |  |  |  | — |  |  | 37,409 |  |  |  |  | — |  |  | 16,678 |  |  |
DownREIT units | — |  |  | — |  |  |  |  | — |  |  | — |  |  |  |  | 783 |  |  | 94,247 |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common unitholders | $ | 422,612 |  |  | 67,374,527 |  |  | $ | 6.27 |  |  | $ | 505,745 |  |  | 67,378,265 |  |  | $ | 7.51 |  |  | $ | 589,565 |  |  | 67,861,590 |  |  | $ | 8.69 |

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: | dtr-types: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=ess_EssexPortfolioL.P.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |