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Equity, Capital and Other Interests - Issued and Outstanding Preferred Shares and Preference Units (Details) - EQR and ERPOP [Member] - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Class Of Stock [Line Items] |  |
8.29% Series K Cumulative Redeemable Preferred Shares/Preference Units; liquidation value $50 per share/unit; 745,600 shares/units issued and outstanding as of December 31, 2022 and 2021 | $ 37,280 | $ 37,280
Preferred Stock [Member] |  |
Class Of Stock [Line Items] |  |
Preferred Stocks Preference Units Call Date | Dec. 10, 2026 |
Annual Dividend Per Preferred Share Preference Unit | $ 4.145 |
8.29% Series K Cumulative Redeemable Preferred Shares/Preference Units; liquidation value $50 per share/unit; 745,600 shares/units issued and outstanding as of December 31, 2022 and 2021 | $ 37,280 | $ 37,280

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- Definition Value of all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by shareholders, which is net of related treasury stock. May be all or a portion of the number of preferred shares authorized. These shares represent the ownership interest of the preferred shareholders. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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