XML 70 R79.htm IDEA: XBRL DOCUMENT
v3.20.1

Reportable Segments - NOI for Each Segment from Our Rental Real Estate Specific to Continuing Operations (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |
Rental income | $ 682,305 | $ 662,302 |
Operating income | 422,109 | 209,969 |
Total Assets | 20,919,318 |  | $ 21,172,769
Capital Expenditures | 38,342 |  |
Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 648,377 | 631,099 |
Operating expenses | 199,937 | 195,224 |
Operating income | 448,440 | 435,875 |
Total Assets | 18,503,975 |  |
Capital Expenditures | 37,657 |  |
Non-same store/other |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 33,928 | 31,203 |
Operating expenses | 13,611 | 11,288 |
Operating income | 20,317 | 19,915 |
Total Assets | 2,415,343 |  |
Capital Expenditures | 685 |  |
Same Store, Non-same Store and Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 682,305 | 662,302 |
Operating expenses | 213,548 | 206,512 |
Operating income | 468,757 | 455,790 |
Los Angeles | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 121,920 | 119,536 |
Operating expenses | 36,916 | 36,430 |
Operating income | 85,004 | 83,106 |
Total Assets | 3,090,294 |  |
Capital Expenditures | 9,360 |  |
Orange County | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 26,694 | 25,828 |
Operating expenses | 6,214 | 6,175 |
Operating income | 20,480 | 19,653 |
Total Assets | 401,249 |  |
Capital Expenditures | 2,021 |  |
San Diego | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 24,142 | 23,304 |
Operating expenses | 6,317 | 6,148 |
Operating income | 17,825 | 17,156 |
Total Assets | 385,989 |  |
Capital Expenditures | 1,117 |  |
Subtotal - Southern California | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 172,756 | 168,668 |
Operating expenses | 49,447 | 48,753 |
Operating income | 123,309 | 119,915 |
Total Assets | 3,877,532 |  |
Capital Expenditures | 12,498 |  |
San Francisco | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 121,950 | 118,071 |
Operating expenses | 30,694 | 29,502 |
Operating income | 91,256 | 88,569 |
Total Assets | 3,362,398 |  |
Capital Expenditures | 4,121 |  |
Washington DC | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 103,884 | 101,504 |
Operating expenses | 32,044 | 31,520 |
Operating income | 71,840 | 69,984 |
Total Assets | 3,343,974 |  |
Capital Expenditures | 6,836 |  |
New York | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 116,590 | 114,761 |
Operating expenses | 50,932 | 48,894 |
Operating income | 65,658 | 65,867 |
Total Assets | 4,001,406 |  |
Capital Expenditures | 6,327 |  |
Boston | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 63,683 | 61,920 |
Operating expenses | 18,160 | 18,241 |
Operating income | 45,523 | 43,679 |
Total Assets | 1,809,524 |  |
Capital Expenditures | 5,665 |  |
Seattle | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 64,956 | 61,598 |
Operating expenses | 17,427 | 17,118 |
Operating income | 47,529 | 44,480 |
Total Assets | 1,855,378 |  |
Capital Expenditures | 2,026 |  |
Denver | Same Store |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 4,558 | 4,577 |
Operating expenses | 1,233 | 1,196 |
Operating income | 3,325 | 3,381 |
Total Assets | 253,763 |  |
Capital Expenditures | 184 |  |
Non-same store | Non-same store/other |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 29,653 | 5,838 |
Operating expenses | 9,165 | 1,783 |
Operating income | 20,488 | 4,055 |
Total Assets | 1,660,327 |  |
Capital Expenditures | 548 |  |
Other | Non-same store/other |  |  |
Segment Reporting Information [Line Items] |  |  |
Rental income | 4,275 | 25,365 |
Operating expenses | 4,446 | 9,505 |
Operating income | (171) | $ 15,860 |
Total Assets | 755,016 |  |
Capital Expenditures | $ 137 |  |

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. + References No definition available. + Details
Name: | us-gaap_OperatingExpenses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707 + Details
Name: | us-gaap_OperatingLeasesIncomeStatementLeaseRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow from the acquisition of or improvements to long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=eqr_SameStoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=eqr_NonSameStoreAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=eqr_SameStoreNonSameStoreAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_LosAngelesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_OrangeCountyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_SanDiegoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_SouthernCaliforniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_SanFranciscoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_DC
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_NY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_BostonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_SeattleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_DenverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_NonSameStoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=eqr_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |