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CONSOLIDATED STATEMENTS OF CHANGES IN CAPITAL OF ERP OPERATING LIMITED PARTNERSHIP - USD ($) $ in Thousands | Total | ERPOP [Member] | PREFERRED SHARES ERPOP [Member] | General Partner [Member] ERPOP [Member] | Limited Partner ERPOP [Member] | ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ERPOP [Member] | DISTRIBUTIONS [Member] ERPOP [Member] | PARTIALLY OWNED PROPERTIES [Member] ERPOP [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, beginning of year at Dec. 31, 2020 |  |  | $ 37,280 | $ 10,532,037 | $ 233,162 | $ (43,666) |  |
Balance, beginning of year at Dec. 31, 2020 |  |  |  |  |  |  |  | $ 4,673
Conversion of OP Units held by Limited Partners into OP Units held by General Partner |  |  |  | 74,063 | (74,063) |  |  |
Exercise of EQR share options |  |  |  | 85,445 |  |  |  |
EQR's Employee Share Purchase Plan (ESPP) |  |  |  | 4,265 |  |  |  |
EQR restricted shares |  |  |  | 8,389 |  |  |  |
EQR share options |  |  |  | 3,101 |  |  |  |
EQR ESPP discount |  |  |  | 991 |  |  |  |
Net income available to Units - General Partner |  | $ 1,329,760 |  | 1,329,760 |  |  |  |
OP Units - General Partner distributions |  |  |  | (902,412) |  |  |  |
Offering costs |  |  |  | (428) |  |  |  |
Supplemental Executive Retirement Plan (SERP) |  |  |  | (1,335) |  |  |  |
Change in market value of Redeemable Limited Partners |  |  |  | (158,598) |  |  |  |
Losses reclassified into earnings from other comprehensive income | $ 9,394 | 9,394 |  |  |  | 9,394 |  |
Equity compensation associated with Units - Limited Partners |  |  |  |  | 17,797 |  |  |
Net income available to Units - Limited Partners |  | 45,900 |  |  | 45,900 |  |  |
Units - Limited Partners distributions |  |  |  |  | (30,612) |  |  |
Change in carrying value of Redeemable Limited Partners |  |  |  |  | (1,428) |  |  |
Adjustment for Limited Partners ownership in Operating Partnership |  |  |  | (23,338) | 23,338 |  |  |
Distributions declared per Unit outstanding |  |  |  |  |  |  | $ 2.41 |
Net income attributable to Noncontrolling Interests | 1,396,714 | 1,396,714 |  |  |  |  |  | 17,964
Contributions by Noncontrolling Interests |  |  |  |  |  |  |  | 1,394
Distributions to Noncontrolling Interests |  |  |  |  |  |  |  | (5,865)
Balance, end of year at Dec. 31, 2021 |  |  | 37,280 | 10,951,940 | 214,094 | (34,272) |  |
Balance, end of year at Dec. 31, 2021 |  |  |  |  |  |  |  | 18,166
Conversion of OP Units held by Limited Partners into OP Units held by General Partner |  |  |  | 11,923 | (11,923) |  |  |
Issuance of OP Units |  |  |  | 139,623 |  |  |  |
Exercise of EQR share options |  |  |  | 25,069 |  |  |  |
EQR's Employee Share Purchase Plan (ESPP) |  |  |  | 4,178 |  |  |  |
EQR restricted shares |  |  |  | 11,595 | 1 |  |  |
EQR share options |  |  |  | 2,321 |  |  |  |
EQR ESPP discount |  |  |  | 796 |  |  |  |
Net income available to Units - General Partner |  | 773,821 |  | 773,821 |  |  |  |
OP Units - General Partner distributions |  |  |  | (942,047) |  |  |  |
Offering costs |  |  |  | (783) |  |  |  |
Supplemental Executive Retirement Plan (SERP) |  |  |  | (269) |  |  |  |
Acquisition of Noncontrolling Interest - Partially Owned Properties |  |  |  | (27,383) |  |  |  |
Change in market value of Redeemable Limited Partners |  |  |  | 176,490 |  |  |  |
Unrealized holding gains (losses) arising during the year | 20,654 | 20,654 |  |  |  | 20,654 |  |
Losses reclassified into earnings from other comprehensive income | 11,071 | 11,071 |  |  |  | 11,071 |  |
Equity compensation associated with Units - Limited Partners |  |  |  |  | 19,104 |  |  |
Net income available to Units - Limited Partners |  | 26,310 |  |  | 26,310 |  |  |
Units - Limited Partners distributions |  |  |  |  | (30,407) |  |  |
Change in carrying value of Redeemable Limited Partners |  |  |  |  | 4,214 |  |  |
Adjustment for Limited Partners ownership in Operating Partnership |  |  |  | 11,432 | (11,432) |  |  |
Distributions declared per Unit outstanding |  |  |  |  |  |  | 2.50 |
Net income attributable to Noncontrolling Interests | 806,995 | 806,995 |  |  |  |  |  | 3,774
Contributions by Noncontrolling Interests |  |  |  |  |  |  |  | 603
Distributions to Noncontrolling Interests |  |  |  |  |  |  |  | (18,469)
Acquisitions of Noncontrolling Interests - Partially Owned Properties |  |  |  |  |  |  |  | (4,795)
Balance, end of year at Dec. 31, 2022 |  |  | 37,280 | 11,138,706 | 209,961 | (2,547) |  |
Balance, end of year at Dec. 31, 2022 |  |  |  |  |  |  |  | (721)
Conversion of OP Units held by Limited Partners into OP Units held by General Partner |  |  |  | 23,948 | (23,948) |  |  |
Exercise of EQR share options |  |  |  | 23,632 |  |  |  |
EQR's Employee Share Purchase Plan (ESPP) |  |  |  | 3,517 |  |  |  |
EQR restricted shares |  |  |  | 12,486 | 1 |  |  |
EQR share options |  |  |  | 4,628 |  |  |  |
EQR ESPP discount |  |  |  | 644 |  |  |  |
OP Units repurchased and retired |  |  |  | (49,105) |  |  |  |
Net income available to Units - General Partner |  | 832,348 |  | 832,348 |  |  |  |
OP Units - General Partner distributions |  |  |  | (1,004,904) |  |  |  |
Supplemental Executive Retirement Plan (SERP) |  |  |  | 32,078 |  |  |  |
Acquisition of Noncontrolling Interest - Partially Owned Properties |  |  |  | (900) |  |  |  |
Change in market value of Redeemable Limited Partners |  |  |  | 7,667 |  |  |  |
Unrealized holding gains (losses) arising during the year | 4,514 | 4,514 |  |  |  | 4,514 |  |
Losses reclassified into earnings from other comprehensive income | 3,737 | 3,737 |  |  |  | 3,737 |  |
Equity compensation associated with Units - Limited Partners |  |  |  |  | 16,430 |  |  |
Net income available to Units - Limited Partners |  | 26,710 |  |  | 26,710 |  |  |
Units - Limited Partners distributions |  |  |  |  | (30,107) |  |  |
Change in carrying value of Redeemable Limited Partners |  |  |  |  | 21,358 |  |  |
Adjustment for Limited Partners ownership in Operating Partnership |  |  |  | 18,099 | (18,099) |  |  |
Distributions declared per Unit outstanding |  |  |  |  |  |  | $ 2.65 |
Net income attributable to Noncontrolling Interests | $ 868,488 | $ 868,488 |  |  |  |  |  | 6,340
Contributions by Noncontrolling Interests |  |  |  |  |  |  |  | 9
Distributions to Noncontrolling Interests |  |  |  |  |  |  |  | (5,818)
Acquisitions of Noncontrolling Interests - Partially Owned Properties |  |  |  |  |  |  |  | (2,837)
Consolidation of previously unconsolidated entities |  |  |  |  |  |  |  | 4,021
Balance, end of year at Dec. 31, 2023 |  |  | $ 37,280 | $ 11,042,844 | $ 202,306 | $ 5,704 |  |
Balance, end of year at Dec. 31, 2023 |  |  |  |  |  |  |  | $ 994

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