$ESS
ESSEX PROPERTY TRUST, INC. Stock $ess

$ess Overview Financials Valuation SEC Filings Company Website

2021 Form 10-K Financial Statement

#000092052222000019 Filed on February 25, 2022

Income Statement

Concept	2021	2020 Q4	2020
Revenue	$1.441B	$362.1M	$1.496B
YoY Change	-3.69%	-3.54%	2.44%
Cost Of Revenue	$445.3M	$110.7M	$440.4M
YoY Change	1.1%	9.06%	10.74%
Gross Profit	$995.3M	$251.3M	$1.055B
YoY Change	-5.69%	-8.25%	-0.68%
Gross Profit Margin	69.09%	69.4%	70.55%
Selling, General & Admin	$88.03M	$31.70M	$100.0M
YoY Change	-11.97%	33.19%	14.68%
% of Gross Profit	8.84%	12.61%	9.48%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$520.1M	$130.1M	$525.5M
YoY Change	-1.03%	5.77%	8.63%
% of Gross Profit	52.25%	51.77%	49.8%
Operating Expenses	$608.1M	$161.8M	$625.5M
YoY Change	-2.78%	10.29%	9.56%
Operating Profit	$530.0M	$89.50M	$491.4M
YoY Change	7.85%	-29.64%	2.15%
Interest Expense	$203.1M	-$11.30M	$220.6M
YoY Change	-7.94%	-151.83%	1.52%
% of Operating Profit	38.33%	-12.63%	44.9%
Other Income/Expense, Net	-$15.67M	$100.0K	-$1.500M
YoY Change	944.53%		0.0%
Pretax Income	$515.7M	$101.6M	$599.3M
YoY Change	-13.95%	-24.85%	29.05%
Income Tax
% Of Pretax Income
Net Earnings	$515.7M	$95.70M	$599.3M
YoY Change	-13.96%	-29.21%	29.04%
Net Earnings / Revenue	35.8%	26.43%	40.07%
Basic Earnings Per Share	$7.51		$8.69
Diluted Earnings Per Share	$7.51	$1.468M	$8.69
COMMON SHARES
Basic Shares Outstanding	65.05M shares	65.20M shares	65.45M shares
Diluted Shares Outstanding	65.09M shares		65.56M shares

Balance Sheet

Concept	2021	2020 Q4	2020
SHORT-TERM ASSETS
Cash & Short-Term Investments	$48.42M	$221.4M	$74.00M
YoY Change	-34.57%	3.32%	5.71%
Cash & Equivalents	$48.42M	$73.63M	$74.00M
Short-Term Investments		$147.8M
Other Short-Term Assets	$64.96M	$47.00M	$47.00M
YoY Change	38.22%	14.63%	14.63%
Inventory	$111.6M	$444.0M	$444.0M
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$254.9M	$605.0M	$605.0M
YoY Change	-57.86%	-9.97%	-9.97%
LONG-TERM ASSETS
Property, Plant & Equipment	$11.05B	$11.00B	$11.00B
YoY Change	0.47%	5.54%	5.54%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$1.370B	$1.166B	$1.166B
YoY Change	17.46%	-21.22%	-21.22%
Other Assets	$10.22M	$10.00M	$10.00M
YoY Change	2.18%	-9.09%	-9.09%
Total Long-Term Assets	$12.74B	$12.33B	$12.33B
YoY Change	3.34%	2.47%	2.48%
TOTAL ASSETS
Total Short-Term Assets	$254.9M	$605.0M	$605.0M
Total Long-Term Assets	$12.74B	$12.33B	$12.33B
Total Assets	$13.00B	$12.94B	$12.94B
YoY Change	0.48%	1.82%	1.82%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$180.8M	$153.0M	$153.0M
YoY Change	18.14%	-3.16%	-3.16%
Accrued Expenses	$70.68M	$74.00M	$74.00M
YoY Change	-4.49%	-3.9%	-3.9%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$423.8M	$400.0M	$400.0M
YoY Change	5.94%	-4.53%	-4.53%
LONG-TERM LIABILITIES
Long-Term Debt	$6.287B	$6.252B	$6.252B
YoY Change	0.57%	7.63%	7.63%
Other Long-Term Liabilities	$75.51M	$69.00M	$69.00M
YoY Change	9.44%	86.49%	86.49%
Total Long-Term Liabilities	$6.363B	$6.321B	$6.321B
YoY Change	0.66%	8.13%	8.13%
TOTAL LIABILITIES
Total Short-Term Liabilities	$423.8M	$400.0M	$400.0M
Total Long-Term Liabilities	$6.363B	$6.321B	$6.321B
Total Liabilities	$7.004B	$6.721B	$6.936B
YoY Change	0.98%	7.28%	6.95%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock		$6.000K
YoY Change		-14.29%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$5.994B	$6.000B	$6.000B
YoY Change
Total Liabilities & Shareholders Equity	$13.00B	$12.94B	$12.94B
YoY Change	0.48%	1.82%	1.82%

Cashflow Statement

Concept	2021	2020 Q4	2020
OPERATING ACTIVITIES
Net Income	$515.7M	$95.70M	$599.3M
YoY Change	-13.96%	-29.21%	29.04%
Depreciation, Depletion And Amortization	$520.1M	$130.1M	$525.5M
YoY Change	-1.03%	5.77%	8.63%
Cash From Operating Activities	$905.3M	$149.7M	$803.1M
YoY Change	12.72%	-29.45%	-12.62%
INVESTING ACTIVITIES
Capital Expenditures	-$386.1M	-$52.80M	-$708.3M
YoY Change	-45.48%	-54.33%	52.65%
Acquisitions
YoY Change
Other Investing Activities	-$11.27M	-$62.10M	$291.4M
YoY Change	-103.87%	-121.25%	-558.18%
Cash From Investing Activities	-$397.4M	-$114.9M	-$416.9M
YoY Change	-4.68%	-165.06%	-21.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$9.627M		$269.6M
YoY Change	-96.43%		-1833.83%
Debt Paid & Issued, Net	$1.054B		$916.2M
YoY Change	14.98%		-10.75%
Cash From Financing Activities	-$533.3M	-519.8M	-$383.3M
YoY Change	39.14%	30.15%	-16.99%
NET CHANGE
Cash From Operating Activities	$905.3M	149.7M	$803.1M
Cash From Investing Activities	-$397.4M	-114.9M	-$416.9M
Cash From Financing Activities	-$533.3M	-519.8M	-$383.3M
Net Change In Cash	-$25.40M	-485.0M	$2.947M
YoY Change	-962.0%	4475.47%	-104.19%
FREE CASH FLOW
Cash From Operating Activities	$905.3M	$149.7M	$803.1M
Capital Expenditures	-$386.1M	-$52.80M	-$708.3M
Free Cash Flow	$1.291B	$202.5M	$1.511B
YoY Change	-14.56%	-38.22%	9.28%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000920522
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2018	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201712Member
CY2019	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Type DocumentType	10-K
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P2Y
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-13106
CY2021	dei	Entity Registrant Name EntityRegistrantName	ESSEX PROPERTY TRUST, INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	77-0369576
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	1100 Park Place, Suite 200
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	San Mateo
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94403
CY2021	dei	City Area Code CityAreaCode	650
CY2021	dei	Local Phone Number LocalPhoneNumber	655-7800
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $.0001 par value (Essex Property Trust, Inc.)
CY2021	dei	Trading Symbol TradingSymbol	ESS
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	19372879492	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	65278686	shares
CY2021	dei	Auditor Name AuditorName	KPMG LLP
CY2021	dei	Auditor Location AuditorLocation	San Francisco, California
CY2021	dei	Auditor Firm AuditorFirmId	185
CY2021Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	3032678000	USD
CY2020Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	2929009000	USD
CY2021Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	12597249000	USD
CY2020Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	12132736000	USD
CY2021Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	15629927000	USD
CY2020Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	15061745000	USD
CY2021Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	4646854000	USD
CY2020Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	4133959000	USD
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	10983073000	USD
CY2020Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	10927786000	USD
CY2021Q4	us-gaap	Development In Process DevelopmentInProcess	111562000	USD
CY2020Q4	us-gaap	Development In Process DevelopmentInProcess	386047000	USD
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1177802000	USD
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1018010000	USD
CY2021Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	0	USD
CY2021Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	29136000	USD
CY2020Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	57938000	USD
CY2021Q4	ess	Total Real Estate Net TotalRealEstateNet	12272437000	USD
CY2020Q4	ess	Total Real Estate Net TotalRealEstateNet	12389781000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	48420000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	73629000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	10218000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	10412000	USD
CY2020Q4	ess	Marketable Securities Allowance For Credit Loss MarketableSecuritiesAllowanceForCreditLoss	0	USD
CY2021Q4	ess	Marketable Securities Allowance For Credit Loss MarketableSecuritiesAllowanceForCreditLoss	0	USD
CY2021Q4	ess	Marketable Securities After Allowance For Credit Loss MarketableSecuritiesAfterAllowanceForCreditLoss	191829000	USD
CY2020Q4	ess	Marketable Securities After Allowance For Credit Loss MarketableSecuritiesAfterAllowanceForCreditLoss	147768000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	800000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	800000	USD
CY2021Q4	us-gaap	Due From Related Parties DueFromRelatedParties	176900000	USD
CY2020Q4	us-gaap	Due From Related Parties DueFromRelatedParties	4700000	USD
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	341033000	USD
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	195104000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	68972000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	72143000	USD
CY2021Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	64964000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	47340000	USD
CY2021Q4	us-gaap	Assets Assets	12997873000	USD
CY2020Q4	us-gaap	Assets Assets	12936177000	USD
CY2021Q4	us-gaap	Unsecured Debt UnsecuredDebt	5307196000	USD
CY2020Q4	us-gaap	Unsecured Debt UnsecuredDebt	5607985000	USD
CY2021Q4	us-gaap	Secured Debt SecuredDebt	638957000	USD
CY2020Q4	us-gaap	Secured Debt SecuredDebt	643550000	USD
CY2021Q4	us-gaap	Line Of Credit LineOfCredit	341257000	USD
CY2020Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	180751000	USD
CY2020Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	152855000	USD
CY2020Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	31417000	USD
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	143213000	USD
CY2020Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	141917000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	70675000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	74037000	USD
CY2021Q4	ess	Liabilities Associated With Real Estate Held For Sale LiabilitiesAssociatedWithRealEstateHeldForSale	0	USD
CY2020Q4	ess	Liabilities Associated With Real Estate Held For Sale LiabilitiesAssociatedWithRealEstateHeldForSale	29845000	USD
CY2021Q4	ess	Distributions In Excess Of Investments In And Advance To Affiliates Subsidiaries Associates And Joint Ventures DistributionsInExcessOfInvestmentsInAndAdvanceToAffiliatesSubsidiariesAssociatesAndJointVentures	35545000	USD
CY2020Q4	ess	Distributions In Excess Of Investments In And Advance To Affiliates Subsidiaries Associates And Joint Ventures DistributionsInExcessOfInvestmentsInAndAdvanceToAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	39969000	USD
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	39140000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	6786699000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	6720746000	USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	34666000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	32239000	USD
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	670000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	670000000	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	65248393	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	65248393	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	64999015	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	64999015	shares
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	7000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	6000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	6915981000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	6876326000	USD
CY2021Q4	ess	Distributions In Excess Of Accumulated Earnings DistributionsInExcessOfAccumulatedEarnings	916833000	USD
CY2020Q4	ess	Distributions In Excess Of Accumulated Earnings DistributionsInExcessOfAccumulatedEarnings	861193000	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5552000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-14729000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	5993603000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	6000410000	USD
CY2021Q4	us-gaap	Minority Interest MinorityInterest	182905000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	182782000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6176508000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6183192000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12997873000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	12936177000	USD
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1431418000	USD
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1486150000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	1450628000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9138000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9598000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9527000	USD
CY2021	us-gaap	Revenues Revenues	1440556000	USD
CY2020	us-gaap	Revenues Revenues	1495748000	USD
CY2019	us-gaap	Revenues Revenues	1460155000	USD
CY2021	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	264892000	USD
CY2020	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	263389000	USD
CY2019	us-gaap	Cost Of Other Property Operating Expense CostOfOtherPropertyOperatingExpense	241357000	USD
CY2021	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	180367000	USD
CY2020	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	177011000	USD
CY2019	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	155170000	USD
CY2021	ess	Corporate Property Management Expenses CorporatePropertyManagementExpenses	36188000	USD
CY2020	ess	Corporate Property Management Expenses CorporatePropertyManagementExpenses	34573000	USD
CY2019	ess	Corporate Property Management Expenses CorporatePropertyManagementExpenses	34067000	USD
CY2021	us-gaap	Depreciation Depreciation	520066000	USD
CY2020	us-gaap	Depreciation Depreciation	525497000	USD
CY2019	us-gaap	Depreciation Depreciation	483750000	USD
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	51838000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	65388000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	54262000	USD
CY2021	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	203000	USD
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1591000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	168000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1825000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	7105000	USD
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	1053554000	USD
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	1069274000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	975879000	USD
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	142993000	USD
CY2020	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	64967000	USD
CY2019	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-3164000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	529995000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	491441000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	481112000	USD
CY2021	us-gaap	Interest Expense InterestExpense	203125000	USD
CY2020	us-gaap	Interest Expense InterestExpense	220633000	USD
CY2019	us-gaap	Interest Expense InterestExpense	217339000	USD
CY2021	us-gaap	Derivative Gain On Derivative DerivativeGainOnDerivative	10774000	USD
CY2020	us-gaap	Derivative Gain On Derivative DerivativeGainOnDerivative	10733000	USD
CY2019	us-gaap	Derivative Gain On Derivative DerivativeGainOnDerivative	8446000	USD
CY2021	us-gaap	Interest And Other Income InterestAndOtherIncome	98744000	USD
CY2020	us-gaap	Interest And Other Income InterestAndOtherIncome	40999000	USD
CY2019	us-gaap	Interest And Other Income InterestAndOtherIncome	46298000	USD
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	111721000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	66512000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	112136000	USD
CY2021	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	15668000	USD
CY2020	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	1531000	USD
CY2019	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	1457000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19010000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-22883000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	3717000	USD
CY2021	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	2260000	USD
CY2020	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	234694000	USD
CY2019	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	31535000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	515691000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	599332000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	464448000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	27137000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	30462000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	25162000	USD
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	488554000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	568870000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	439286000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.51
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.69
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.67
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65051465	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65454057	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65840422	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.51
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.69
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.66
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65088874	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65564982	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	65939455	shares
CY2021	us-gaap	Profit Loss ProfitLoss	515691000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	599332000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	464448000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	9170000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-4148000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1824000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-2948000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-3338000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	329000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-61000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	281000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	32000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9499000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-871000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-875000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	525190000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	598461000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	463573000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	27459000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	30432000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	25133000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	497731000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	568029000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	438440000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6393844000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	464448000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	32000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1824000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-2948000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	281000	USD
CY2019	ess	Stock Option And Restricted Stock Plans StockOptionAndRestrictedStockPlans	33779000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	72539000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12283000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	56989000	USD
CY2019	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-2008000	USD
CY2019	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	65472000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	28493000	USD
CY2019	ess	Redemptions Of Noncontrolling Interest RedemptionsOfNoncontrollingInterest	36568000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	7.80
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	514109000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6403504000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	599332000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-3338000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4148000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-61000	USD
CY2020	ess	Stock Option And Restricted Stock Plans StockOptionAndRestrictedStockPlans	9201000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-296000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12913000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	269315000	USD
CY2020	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	4299000	USD
CY2020	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	1349000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	31367000	USD
CY2020	ess	Redemptions Of Noncontrolling Interest RedemptionsOfNoncontrollingInterest	3113000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	8.31
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	542254000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6183192000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	515691000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	9170000	USD
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	329000	USD
CY2021	ess	Stock Option And Restricted Stock Plans StockOptionAndRestrictedStockPlans	53052000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-455000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11683000	USD
CY2021	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	9172000	USD
CY2021	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-6890000	USD
CY2021	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	1900000	USD
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	29341000	USD
CY2021	ess	Redemptions Of Noncontrolling Interest RedemptionsOfNoncontrollingInterest	8457000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	8.36
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	544194000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6176508000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	515691000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	599332000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	464448000	USD
CY2021	us-gaap	Straight Line Rent StraightLineRent	-9672000	USD
CY2020	us-gaap	Straight Line Rent StraightLineRent	19426000	USD
CY2019	us-gaap	Straight Line Rent StraightLineRent	1218000	USD
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	520066000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	525497000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	483750000	USD
CY2021	us-gaap	Investment Income Amortization Of Discount InvestmentIncomeAmortizationOfDiscount	0	USD
CY2020	us-gaap	Investment Income Amortization Of Discount InvestmentIncomeAmortizationOfDiscount	19075000	USD
CY2019	us-gaap	Investment Income Amortization Of Discount InvestmentIncomeAmortizationOfDiscount	28491000	USD
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	9538000	USD
CY2019	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	51097000	USD
CY2020	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	6674000	USD
CY2019	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	5689000	USD
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	3400000	USD
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	2131000	USD
CY2019	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1271000	USD
CY2021	ess	Notes Receivable Early Redemption Fee Received NotesReceivableEarlyRedemptionFeeReceived	4939000	USD
CY2020	ess	Notes Receivable Early Redemption Fee Received NotesReceivableEarlyRedemptionFeeReceived	0	USD
CY2019	ess	Notes Receivable Early Redemption Fee Received NotesReceivableEarlyRedemptionFeeReceived	0	USD
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	141000	USD
CY2020	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	687000	USD
CY2019	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	0	USD
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	33104000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	12515000	USD
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	5710000	USD
CY2021	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	USD
CY2020	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	2225000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	8157000	USD
CY2021	ess	Gain Loss From Equity Method Investments GainLossFromEquityMethodInvestments	111721000	USD
CY2020	ess	Gain Loss From Equity Method Investments GainLossFromEquityMethodInvestments	64287000	USD
CY2019	ess	Gain Loss From Equity Method Investments GainLossFromEquityMethodInvestments	61039000	USD
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	104833000	USD
CY2020	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	74419000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	99277000	USD
CY2021	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	15902000	USD
CY2020	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	3683000	USD
CY2019	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	6012000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1825000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	7105000	USD
CY2021	ess	Companys Share Of Gain On Sales Of Real Estate CompanysShareOfGainOnSalesOfRealEstate	142993000	USD
CY2020	ess	Companys Share Of Gain On Sales Of Real Estate CompanysShareOfGainOnSalesOfRealEstate	64967000	USD
CY2019	ess	Companys Share Of Gain On Sales Of Real Estate CompanysShareOfGainOnSalesOfRealEstate	-3164000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	7308000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	7010000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	3717000	USD
CY2021	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	2260000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19010000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-22883000	USD
CY2020	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	234694000	USD
CY2019	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	31535000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4878000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3730000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-6969000	USD
CY2021	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	22298000	USD
CY2020	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-10382000	USD
CY2019	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	29551000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	6143000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	749000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2206000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	905259000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	803108000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	919079000	USD
CY2021	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	153481000	USD
CY2020	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	460421000	USD
CY2019	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	133825000	USD
CY2021	ess	Redevelopment Expenditures RedevelopmentExpenditures	61671000	USD
CY2020	ess	Redevelopment Expenditures RedevelopmentExpenditures	48980000	USD
CY2019	ess	Redevelopment Expenditures RedevelopmentExpenditures	70295000	USD
CY2021	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	49784000	USD
CY2020	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	108781000	USD
CY2019	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	158234000	USD
CY2021	ess	Revenue Generating Capital Expenditures RevenueGeneratingCapitalExpenditures	121195000	USD
CY2020	ess	Revenue Generating Capital Expenditures RevenueGeneratingCapitalExpenditures	90085000	USD
CY2019	ess	Revenue Generating Capital Expenditures RevenueGeneratingCapitalExpenditures	101689000	USD
CY2021	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	245144000	USD
CY2020	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	135343000	USD
CY2020	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	98711000	USD
CY2019	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	168720000	USD
CY2019	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	231400000	USD
CY2021	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	104405000	USD
CY2021	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	879000	USD
CY2020	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	723000	USD
CY2019	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	3734000	USD
CY2021	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	297454000	USD
CY2020	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	339165000	USD
CY2019	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	23214000	USD
CY2021	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	306266000	USD
CY2020	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	114017000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	402284000	USD
CY2021	us-gaap	Increase Decrease In Restricted Cash And Investments For Operating Activities IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities	9486000	USD
CY2020	us-gaap	Increase Decrease In Restricted Cash And Investments For Operating Activities IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities	-96000	USD
CY2019	us-gaap	Increase Decrease In Restricted Cash And Investments For Operating Activities IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities	-5000	USD
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	23805000	USD
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	83379000	USD
CY2019	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	46458000	USD
CY2021	ess	Payments For Proceeds From Sales And Maturities Of Marketable Securities PaymentsForProceedsFromSalesAndMaturitiesOfMarketableSecurities	-16577000	USD
CY2020	ess	Payments For Proceeds From Sales And Maturities Of Marketable Securities PaymentsForProceedsFromSalesAndMaturitiesOfMarketableSecurities	-113465000	USD
CY2019	ess	Payments For Proceeds From Sales And Maturities Of Marketable Securities PaymentsForProceedsFromSalesAndMaturitiesOfMarketableSecurities	-147531000	USD
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	154120000	USD
CY2020	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	71946000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	273290000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-397397000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-416900000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-527691000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	745505000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1452808000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1045290000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1053501000	USD
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	8457000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	916209000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1026616000	USD
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1050589000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1038426000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1939213000	USD
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	709332000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	1093426000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	1884213000	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9172000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	269315000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	56989000	USD
CY2021	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	8350000	USD
CY2020	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	13772000	USD
CY2019	us-gaap	Payment Of Financing And Stock Issuance Costs PaymentOfFinancingAndStockIssuanceCosts	10898000	USD
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	18342000	USD
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	19605000	USD
CY2019	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	1406000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	-455000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	-296000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	72539000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	58497000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	14865000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	37467000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5445000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	5664000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3688000	USD
CY2021	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	1900000	USD
CY2020	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	0	USD
CY2019	us-gaap	Proceeds From Contributions From Affiliates ProceedsFromContributionsFromAffiliates	0	USD
CY2021	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	29379000	USD
CY2020	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	30990000	USD
CY2019	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	27993000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	3113000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	36568000	USD
CY2021	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	4463000	USD
CY2020	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	872000	USD
CY2019	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	73000	USD
CY2021	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	542860000	USD
CY2020	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	536098000	USD
CY2019	us-gaap	Payments Of Ordinary Dividends PaymentsOfOrdinaryDividends	507754000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-533265000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-383261000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-461689000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-25403000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2947000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-70301000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	84041000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	81094000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	151395000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	58638000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	84041000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	81094000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	194203000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	211732000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	194418000	USD
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	6153000	USD
CY2020	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	14615000	USD
CY2019	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	24169000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	6963000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	6892000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	6811000	USD
CY2021	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2020	us-gaap	Stock Issued1 StockIssued1	0	USD
CY2019	us-gaap	Stock Issued1 StockIssued1	65472000	USD
CY2021	ess	Transfer From Real Estate Under Development To Rental Properties TransferFromRealEstateUnderDevelopmentToRentalProperties	328393000	USD
CY2020	ess	Transfer From Real Estate Under Development To Rental Properties TransferFromRealEstateUnderDevelopmentToRentalProperties	253039000	USD
CY2019	ess	Transfer From Real Estate Under Development To Rental Properties TransferFromRealEstateUnderDevelopmentToRentalProperties	19812000	USD
CY2021	ess	Transfer From Real Estate Under Development To Co Investments TransferFromRealEstateUnderDevelopmentToCoInvestments	3068000	USD
CY2020	ess	Transfer From Real Estate Under Development To Co Investments TransferFromRealEstateUnderDevelopmentToCoInvestments	1739000	USD
CY2019	ess	Transfer From Real Estate Under Development To Co Investments TransferFromRealEstateUnderDevelopmentToCoInvestments	671000	USD
CY2021	ess	Reclassification From To Redeemable Noncontrolling Interest ReclassificationFromToRedeemableNoncontrollingInterest	6890000	USD
CY2020	ess	Reclassification From To Redeemable Noncontrolling Interest ReclassificationFromToRedeemableNoncontrollingInterest	-4299000	USD
CY2019	ess	Reclassification From To Redeemable Noncontrolling Interest ReclassificationFromToRedeemableNoncontrollingInterest	2008000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	77645000	USD
CY2021	ess	Initial Recognition In Operating Lease Liabilities InitialRecognitionInOperatingLeaseLiabilities	0	USD
CY2020	ess	Initial Recognition In Operating Lease Liabilities InitialRecognitionInOperatingLeaseLiabilities	0	USD
CY2019	ess	Initial Recognition In Operating Lease Liabilities InitialRecognitionInOperatingLeaseLiabilities	79693000	USD
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	143006000	USD
CY2021Q4	ess	Noncontrolling Interest Operating Partnership NoncontrollingInterestOperatingPartnership	0.034
CY2021Q4	ess	Operating Partnership Units Outstanding OperatingPartnershipUnitsOutstanding	2282464	shares
CY2020Q4	ess	Operating Partnership Units Outstanding OperatingPartnershipUnitsOutstanding	2294760	shares
CY2021Q4	ess	Redemption Value Of Operating Partnership Units Outstanding RedemptionValueOfOperatingPartnershipUnitsOutstanding	804000000	USD
CY2020Q4	ess	Redemption Value Of Operating Partnership Units Outstanding RedemptionValueOfOperatingPartnershipUnitsOutstanding	544800000	USD
CY2021Q4	ess	Number Of Apartment Communities Owned NumberOfApartmentCommunitiesOwned	252	community
CY2021Q4	ess	Aggregate Apartment Units Owned AggregateApartmentUnitsOwned	61911	apartment
CY2021Q4	ess	Ownership Interests Number Of Commercial Buildings OwnershipInterestsNumberOfCommercialBuildings	3	building
CY2021Q4	ess	Ownership Interests Number Of Consolidated Projects OwnershipInterestsNumberOfConsolidatedProjects	1	project
CY2021Q4	ess	Ownership Interests Number Of Unconsolidated Projects OwnershipInterestsNumberOfUnconsolidatedProjects	1	investment
CY2020Q4	ess	Noncontrolling Interest Operating Partnership NoncontrollingInterestOperatingPartnership	0.034
CY2021Q4	ess	Noncontrolling Interest Operating Partnership NoncontrollingInterestOperatingPartnership	0.034
CY2021	ess	Thresholdusefullifeofassetsforcapitalization Thresholdusefullifeofassetsforcapitalization	P1Y
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	8900000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	4700000	USD
CY2021Q4	ess	Numberof Assets Held For Sale NumberofAssetsHeldForSale	0	property
CY2020Q4	ess	Numberof Assets Held For Sale NumberofAssetsHeldForSale	2	property
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1800000	USD
CY2020	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	USD
CY2021	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	USD
CY2021	ess	Leasetermsminimum Leasetermsminimum	P9M
CY2021	ess	Leasetermsmaximum Leasetermsmaximum	P12M
CY2021	ess	Originalmaturitieshighlyliquidinvestmentstermclassificationascashequivalentsmaximum Originalmaturitieshighlyliquidinvestmentstermclassificationascashequivalentsmaximum	P3M
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	48420000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	73629000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	70087000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	10218000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	10412000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	11007000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	58638000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	84041000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	81094000	USD
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	800000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	2500000	USD
CY2021Q4	ess	Marketable Securities Amortized Cost MarketableSecuritiesAmortizedCost	142398000	USD
CY2021Q4	ess	Marketable Securities Accumulated Gross Unrealized Gain Loss Before Tax MarketableSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax	49431000	USD
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	191829000	USD
CY2020Q4	ess	Marketable Securities Amortized Cost MarketableSecuritiesAmortizedCost	131770000	USD
CY2020Q4	ess	Marketable Securities Accumulated Gross Unrealized Gain Loss Before Tax MarketableSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax	15998000	USD
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	147768000	USD
CY2021	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	16600000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	113500000	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	147500000	USD
CY2021	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	3400000	USD
CY2020	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	2100000	USD
CY2019	us-gaap	Marketable Securities Realized Gain Loss MarketableSecuritiesRealizedGainLoss	1300000	USD
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	33100000	USD
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	12500000	USD
CY2021	ess	Capitalized Internal Costs Related To Development And Redevelopment Projects CapitalizedInternalCostsRelatedToDevelopmentAndRedevelopmentProjects	23600000	USD
CY2020	ess	Capitalized Internal Costs Related To Development And Redevelopment Projects CapitalizedInternalCostsRelatedToDevelopmentAndRedevelopmentProjects	31400000	USD
CY2019	ess	Capitalized Internal Costs Related To Development And Redevelopment Projects CapitalizedInternalCostsRelatedToDevelopmentAndRedevelopmentProjects	42100000	USD
CY2021Q4	ess	Fixed Rate Debt Carrying Amount FixedRateDebtCarryingAmount	5700000000	USD
CY2020Q4	ess	Fixed Rate Debt Carrying Amount FixedRateDebtCarryingAmount	5500000000	USD
CY2020Q4	ess	Fixed Rate Debt Fair Value FixedRateDebtFairValue	6000000000	USD
CY2021Q4	ess	Fixed Rate Debt Fair Value FixedRateDebtFairValue	6000000000	USD
CY2020Q4	ess	Variable Rate Debt Fair Value VariableRateDebtFairValue	770100000	USD
CY2021Q4	ess	Variable Rate Debt Carrying Amount VariableRateDebtCarryingAmount	564900000	USD
CY2020Q4	ess	Variable Rate Debt Carrying Amount VariableRateDebtCarryingAmount	775100000	USD
CY2021Q4	ess	Variable Rate Debt Fair Value VariableRateDebtFairValue	561700000	USD
CY2021	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	9161000	USD
CY2021	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-16000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	9177000	USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	34700000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	32200000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	32239000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	37410000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	35475000	USD
CY2021	ess	Noncontrolling Interest Reset Of Prior Year Redemptions NoncontrollingInterestResetOfPriorYearRedemptions	6890000	USD
CY2020	ess	Noncontrolling Interest Reset Of Prior Year Redemptions NoncontrollingInterestResetOfPriorYearRedemptions	-4299000	USD
CY2019	ess	Noncontrolling Interest Reset Of Prior Year Redemptions NoncontrollingInterestResetOfPriorYearRedemptions	2008000	USD
CY2021	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	4463000	USD
CY2020	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	872000	USD
CY2019	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	73000	USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	34666000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	32239000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	37410000	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	Accounting EstimatesThe preparation of consolidated financial statements, in accordance with U.S. GAAP, requires the Company to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses and related disclosures of contingent assets and liabilities. On an ongoing basis, the Company evaluates its estimates, including those related to acquiring, developing and assessing the carrying values of its real estate portfolio, its investments in and advances to joint ventures and affiliates, and its notes receivable. The Company bases its estimates on historical experience, current market conditions, and on various other assumptions that are believed to be reasonable under the circumstances. Actual results may vary from those estimates and those estimates could be different under different assumptions or conditions.
CY2021Q4	ess	Number Of Downreit Limited Partnerships Consolidated By Company NumberOfDownreitLimitedPartnershipsConsolidatedByCompany	18	partnership
CY2021Q4	ess	Number Of Communities Within Downreit Partnerships NumberOfCommunitiesWithinDownreitPartnerships	9	community
CY2021Q4	ess	Variable Interest Entity Number Of Consolidated Coinvestments Determined To Be Variable Interest Entities VariableInterestEntityNumberOfConsolidatedCoinvestmentsDeterminedToBeVariableInterestEntities	6	investment
CY2020Q4	ess	Number Of Downreit Limited Partnerships Consolidated By Company NumberOfDownreitLimitedPartnershipsConsolidatedByCompany	17	partnership
CY2020Q4	ess	Number Of Communities Within Downreit Partnerships NumberOfCommunitiesWithinDownreitPartnerships	9	community
CY2021Q4	ess	Liabilities Related To Variable Interest Entities Net Of Intercompany Eliminations LiabilitiesRelatedToVariableInterestEntitiesNetOfIntercompanyEliminations	320100000	USD
CY2020Q4	ess	Variable Interest Entity Number Of Consolidated Coinvestments Determined To Be Variable Interest Entities VariableInterestEntityNumberOfConsolidatedCoinvestmentsDeterminedToBeVariableInterestEntities	5	investment
CY2021Q4	ess	Assets Related To Variable Interest Entities Net Intercompany Eliminations AssetsRelatedToVariableInterestEntitiesNetIntercompanyEliminations	909300000	USD
CY2020Q4	ess	Assets Related To Variable Interest Entities Net Intercompany Eliminations AssetsRelatedToVariableInterestEntitiesNetIntercompanyEliminations	898500000	USD
CY2020Q4	ess	Liabilities Related To Variable Interest Entities Net Of Intercompany Eliminations LiabilitiesRelatedToVariableInterestEntitiesNetOfIntercompanyEliminations	326800000	USD
CY2021Q4	us-gaap	Noncontrolling Interest In Variable Interest Entity NoncontrollingInterestInVariableInterestEntity	122400000	USD
CY2020Q4	us-gaap	Noncontrolling Interest In Variable Interest Entity NoncontrollingInterestInVariableInterestEntity	120800000	USD
CY2021Q4	ess	Number Of Communities Within Downreit Partnerships NumberOfCommunitiesWithinDownreitPartnerships	9	community
CY2021Q4	ess	Units Of Limited Partnership Interest Amount UnitsOfLimitedPartnershipInterestAmount	978854	shares
CY2020Q4	ess	Units Of Limited Partnership Interest Amount UnitsOfLimitedPartnershipInterestAmount	1017460	shares
CY2021Q4	ess	Redemption Value Of Variable Interest Entities RedemptionValueOfVariableInterestEntities	344800000	USD
CY2020Q4	ess	Redemption Value Of Variable Interest Entities RedemptionValueOfVariableInterestEntities	241600000	USD
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	34700000	USD
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	32200000	USD
CY2021Q4	ess	Redeemable Noncontrolling Interest Equity Carrying Amount Variable Interest Entities RedeemableNoncontrollingInterestEquityCarryingAmountVariableInterestEntities	7700000	USD
CY2020Q4	ess	Redeemable Noncontrolling Interest Equity Carrying Amount Variable Interest Entities RedeemableNoncontrollingInterestEquityCarryingAmountVariableInterestEntities	11900000	USD
CY2021Q4	us-gaap	Minority Interest In Limited Partnerships MinorityInterestInLimitedPartnerships	97400000	USD
CY2020Q4	us-gaap	Minority Interest In Limited Partnerships MinorityInterestInLimitedPartnerships	97400000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	330000000.0	USD
CY2020	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	343500000	USD
CY2020	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	65000000	USD
CY2019	ess	Number Of Land Parcels Sold NumberOfLandParcelsSold	2	land_parcel
CY2019	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	23300000	USD
CY2019	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	-3200000	USD
CY2020Q4	ess	Number Of Apartment Communities Owned NumberOfApartmentCommunitiesOwned	2	community
CY2020	ess	Number Of Apartment Units NumberOfApartmentUnits	439	apartment
CY2021Q4	ess	Investments In Distributions In Excess Of Investments In And Advance To Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInDistributionsInExcessOfInvestmentsInAndAdvanceToAffiliatesSubsidiariesAssociatesAndJointVentures	1142257000	USD
CY2020Q4	ess	Investments In Distributions In Excess Of Investments In And Advance To Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInDistributionsInExcessOfInvestmentsInAndAdvanceToAffiliatesSubsidiariesAssociatesAndJointVentures	1018010000	USD
CY2021Q4	ess	Ownership Interests Number Of Consolidated Projects OwnershipInterestsNumberOfConsolidatedProjects	1	project
CY2021Q4	ess	Number Of Units To Be Developed NumberOfUnitsToBeDeveloped	371	apartment
CY2021Q4	ess	Ownership Interests Number Of Unconsolidated Projects OwnershipInterestsNumberOfUnconsolidatedProjects	1	investment
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9138000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9598000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9527000	USD
CY2021	us-gaap	Revenues Revenues	1440556000	USD
CY2020	us-gaap	Revenues Revenues	1495748000	USD
CY2019	us-gaap	Revenues Revenues	1460155000	USD
CY2021Q4	ess	Real Estate Operations Occupancy Threshold For Classification As Stabilized RealEstateOperationsOccupancyThresholdForClassificationAsStabilized	0.90
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	2400000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	3100000	USD
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	700000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	2400000	USD
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.31
CY2021Q4	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.56
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	756000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	751000	USD
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	341033000	USD
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	195104000	USD
CY2021	ess	Management And Other Fees From Affiliates ManagementAndOtherFeesFromAffiliates	10300000	USD
CY2020	ess	Management And Other Fees From Affiliates ManagementAndOtherFeesFromAffiliates	11300000	USD
CY2019	ess	Management And Other Fees From Affiliates ManagementAndOtherFeesFromAffiliates	13800000	USD
CY2021	ess	Related Party Transaction Revenuesfrom Developmentand Redevelopment Fees RelatedPartyTransactionRevenuesfromDevelopmentandRedevelopmentFees	1100000	USD
CY2020	ess	Related Party Transaction Revenuesfrom Developmentand Redevelopment Fees RelatedPartyTransactionRevenuesfromDevelopmentandRedevelopmentFees	1700000	USD
CY2019	ess	Related Party Transaction Revenuesfrom Developmentand Redevelopment Fees RelatedPartyTransactionRevenuesfromDevelopmentandRedevelopmentFees	4300000	USD
CY2017	ess	Equity Method Investment Redeemed Amount EquityMethodInvestmentRedeemedAmount	5000000	USD
CY2018	ess	Equity Method Investment Redeemed Amount EquityMethodInvestmentRedeemedAmount	5000000	USD
CY2021Q4	us-gaap	Unsecured Debt UnsecuredDebt	5307196000	USD
CY2021	ess	Line Of Credit Facility Number Of Outstanding Lines LineOfCreditFacilityNumberOfOutstandingLines	2	lineOfCredit
CY2020Q4	us-gaap	Unsecured Debt UnsecuredDebt	5607985000	USD
CY2021Q4	ess	Unsecured Debt And Line Of Credit UnsecuredDebtAndLineOfCredit	5648453000	USD
CY2020Q4	ess	Unsecured Debt And Line Of Credit UnsecuredDebtAndLineOfCredit	5607985000	USD
CY2021Q4	us-gaap	Senior Notes SeniorNotes	0	USD
CY2020Q4	us-gaap	Senior Notes SeniorNotes	200000000	USD
CY2021	us-gaap	Debt Instrument Interest Rate During Period DebtInstrumentInterestRateDuringPeriod	0.044
CY2020	us-gaap	Debt Instrument Interest Rate During Period DebtInstrumentInterestRateDuringPeriod	0.044
CY2021Q4	us-gaap	Senior Notes SeniorNotes	0	USD
CY2020Q4	us-gaap	Senior Notes SeniorNotes	200000000	USD
CY2021Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	5350000000	USD
CY2020Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	4900000000	USD
CY2021	ess	Line Of Credit Facility Number Of Lines Of Credit LineOfCreditFacilityNumberOfLinesOfCredit	2	lineOfCredit
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	638959000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	643550000	USD
CY2021	ess	Number Of Properties Securing Mortgage Notes NumberOfPropertiesSecuringMortgageNotes	12	property
CY2020	ess	Number Of Properties Securing Mortgage Notes NumberOfPropertiesSecuringMortgageNotes	12	property
CY2021Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.027
CY2020Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.027
CY2021Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1500000	USD
CY2020Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1800000	USD
CY2021	ess	Long Term Debt Monthly Interest Expense LongTermDebtMonthlyInterestExpense	2300000	USD
CY2021	ess	Long Term Debt Monthly Principal Amortization LongTermDebtMonthlyPrincipalAmortization	300000	USD
CY2021	ess	Long Term Debt Repayment Of Debt Before The Scheduled Maturity Date Prepayment Penalties LongTermDebtRepaymentOfDebtBeforeTheScheduledMaturityDatePrepaymentPenalties	The prepayment penalty on the majority of the Company’s mortgage notes payable are computed by the greater of (a) 1% of the amount of the principal being prepaid or (b) the present value of the principal being prepaid multiplied by the difference between the interest rate of the mortgage note and the stated yield rate on a U.S. treasury security which generally has an equivalent remaining term as the mortgage note.
CY2021	ess	Debt Instrument Prepayment Penalty Percent Of Principal Prepaid DebtInstrumentPrepaymentPenaltyPercentOfPrincipalPrepaid	0.01
CY2021Q4	ess	Lessor Operating Lease Number Of Commercial Buildings Under Lease Agreements LessorOperatingLeaseNumberOfCommercialBuildingsUnderLeaseAgreements	3	building
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	681245000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	23932000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	18749000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	16293000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	12934000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	34016000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	787169000	USD
CY2021	ess	Lessee Operating Lease Office Lease Renewal Term LesseeOperatingLeaseOfficeLeaseRenewalTerm	P5Y
CY2021Q4	ess	Lease Right Of Use Asset LeaseRightOfUseAsset	68972000	USD
CY2020Q4	ess	Lease Right Of Use Asset LeaseRightOfUseAsset	72143000	USD
CY2021Q4	ess	Redemption Value Of Operating Partnership Units Outstanding RedemptionValueOfOperatingPartnershipUnitsOutstanding	804000000	USD
CY2020Q4	ess	Redemption Value Of Operating Partnership Units Outstanding RedemptionValueOfOperatingPartnershipUnitsOutstanding	544800000	USD
CY2021Q4	ess	Lease Liability LeaseLiability	70675000	USD
CY2020Q4	ess	Lease Liability LeaseLiability	74037000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	6729000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	6749000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	1639000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	1436000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	287000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	432000	USD
CY2021	us-gaap	Sublease Income SubleaseIncome	438000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	438000	USD
CY2021	us-gaap	Lease Cost LeaseCost	8217000	USD
CY2020	us-gaap	Lease Cost LeaseCost	8179000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6987000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	6962000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	6690000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	6310000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4440000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	135977000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	167366000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	96691000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	70675000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P40Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P39Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0501
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0500
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	488554000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65051465	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.51
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	568870000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65454057	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.69
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	439286000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	65840422	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	6.67
CY2021	ess	Income From Continuing Operations Available To Common Stockholders1 IncomeFromContinuingOperationsAvailableToCommonStockholders1	488554000	USD
CY2021	ess	Adjusted Income From Continuing Operations Available To Common Stockholders AdjustedIncomeFromContinuingOperationsAvailableToCommonStockholders	65088874	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.51
CY2020	ess	Income From Continuing Operations Available To Common Stockholders1 IncomeFromContinuingOperationsAvailableToCommonStockholders1	569653000	USD
CY2020	ess	Adjusted Income From Continuing Operations Available To Common Stockholders AdjustedIncomeFromContinuingOperationsAvailableToCommonStockholders	65564982	shares
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.69
CY2019	ess	Income From Continuing Operations Available To Common Stockholders1 IncomeFromContinuingOperationsAvailableToCommonStockholders1	439286000	USD
CY2019	ess	Adjusted Income From Continuing Operations Available To Common Stockholders AdjustedIncomeFromContinuingOperationsAvailableToCommonStockholders	65939455	shares
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	6.66
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	22500000	USD
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	2000000	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Accelerated Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost	3500000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Accelerated Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost	3500000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Accelerated Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost	3500000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	3400000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	24.68
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	20.69
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	24.02
CY2021	ess	Share Based Compensation Arrangement By Share Based Payment Award Cap On Appreciation Of The Market Price Over The Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardCapOnAppreciationOfTheMarketPriceOverTheExercisePrice	100	USD
CY2020	ess	Share Based Compensation Arrangement By Share Based Payment Award Cap On Appreciation Of The Market Price Over The Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardCapOnAppreciationOfTheMarketPriceOverTheExercisePrice	100	USD
CY2019	ess	Share Based Compensation Arrangement By Share Based Payment Award Cap On Appreciation Of The Market Price Over The Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardCapOnAppreciationOfTheMarketPriceOverTheExercisePrice	125	USD
CY2021	ess	Stock Price StockPrice	329.71
CY2020	ess	Stock Price StockPrice	244.74
CY2019	ess	Stock Price StockPrice	304.85
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0122
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0083
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0201
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2700
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.2572
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.1956
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0290
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0293
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0272
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	613109	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	255.86
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	572971	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	251.10
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	612954	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	224.57
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	99479	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	329.71
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	149020	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	244.74
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	148147	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	304.85
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	248725	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	231.37
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	70802	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	208.57
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	361985	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	245.83
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	182817	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	205.25
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	0	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	38080	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	228.64
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	5313	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	257.87
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	463863	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	284.82
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	613109	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	255.86
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	572971	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	251.10
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	274244	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	270.11
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	305379	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	223.90
CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	segment
CY2021	ess	Net Operating Income From Segments NetOperatingIncomeFromSegments	986159000	USD
CY2020	ess	Net Operating Income From Segments NetOperatingIncomeFromSegments	1045750000	USD
CY2019	ess	Net Operating Income From Segments NetOperatingIncomeFromSegments	1054101000	USD
CY2021	ess	Corporate Property Management Expenses CorporatePropertyManagementExpenses	36188000	USD
CY2020	ess	Corporate Property Management Expenses CorporatePropertyManagementExpenses	34573000	USD
CY2019	ess	Corporate Property Management Expenses CorporatePropertyManagementExpenses	34067000	USD
CY2021	us-gaap	Depreciation Depreciation	520066000	USD
CY2020	us-gaap	Depreciation Depreciation	525497000	USD
CY2019	us-gaap	Depreciation Depreciation	483750000	USD
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	51838000	USD
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	65388000	USD
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	54262000	USD
CY2021	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	203000	USD
CY2020	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1591000	USD
CY2019	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	168000	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	1825000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	7105000	USD
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	142993000	USD
CY2020	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	64967000	USD
CY2019	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	-3164000	USD
CY2021	us-gaap	Interest Expense InterestExpense	203125000	USD
CY2020	us-gaap	Interest Expense InterestExpense	220633000	USD
CY2019	us-gaap	Interest Expense InterestExpense	217339000	USD
CY2021	us-gaap	Derivative Gain On Derivative DerivativeGainOnDerivative	10774000	USD
CY2020	us-gaap	Derivative Gain On Derivative DerivativeGainOnDerivative	10733000	USD
CY2019	us-gaap	Derivative Gain On Derivative DerivativeGainOnDerivative	8446000	USD
CY2021	us-gaap	Interest And Other Income InterestAndOtherIncome	98744000	USD
CY2020	us-gaap	Interest And Other Income InterestAndOtherIncome	40999000	USD
CY2019	us-gaap	Interest And Other Income InterestAndOtherIncome	46298000	USD
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	111721000	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	66512000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	112136000	USD
CY2021	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	15668000	USD
CY2020	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	1531000	USD
CY2019	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	1457000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-19010000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-22883000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	3717000	USD
CY2021	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	2260000	USD
CY2020	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	234694000	USD
CY2019	ess	Gain On Remeasurement Of Co Investment GainOnRemeasurementOfCoInvestment	31535000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	515691000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	599332000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	464448000	USD
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	10983073000	USD
CY2020Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	10927786000	USD
CY2021Q4	us-gaap	Development In Process DevelopmentInProcess	111562000	USD
CY2020Q4	us-gaap	Development In Process DevelopmentInProcess	386047000	USD
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1177802000	USD
CY2020Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	1018010000	USD
CY2021Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	0	USD
CY2020Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	57938000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	58638000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	84041000	USD
CY2021Q4	us-gaap	Marketable Securities MarketableSecurities	191829000	USD
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	147768000	USD
CY2021Q4	us-gaap	Notes Receivable Net NotesReceivableNet	341033000	USD
CY2020Q4	us-gaap	Notes Receivable Net NotesReceivableNet	195104000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	68972000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	72143000	USD
CY2021Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	64964000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	47340000	USD
CY2021Q4	us-gaap	Assets Assets	12997873000	USD
CY2020Q4	us-gaap	Assets Assets	12936177000	USD
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.50
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3300000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2700000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2400000	USD
CY2021Q4	ess	Property Casualty Insurance Deductible Per Incident Maximum PropertyCasualtyInsuranceDeductiblePerIncidentMaximum	5000000	USD
CY2021Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	638957000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	2990109000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	10427618000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts	2212200000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	3032678000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	12597249000	USD
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	15629927000	USD
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	4646854000	USD
CY2021	ess	Aggregate Cost For Federal Income Tax Purpose AggregateCostForFederalIncomeTaxPurpose	12200000000	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	4133959000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	3689482000	USD
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	3209548000	USD
CY2021	ess	Sec Schedule Iiir Eal Estate Improvements Acquisitions And Developments SECScheduleIIIREalEstateImprovementsAcquisitionsAndDevelopments	707267000	USD
CY2020	ess	Sec Schedule Iiir Eal Estate Improvements Acquisitions And Developments SECScheduleIIIREalEstateImprovementsAcquisitionsAndDevelopments	1426505000	USD
CY2019	ess	Sec Schedule Iiir Eal Estate Improvements Acquisitions And Developments SECScheduleIIIREalEstateImprovementsAcquisitionsAndDevelopments	672041000	USD
CY2021	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	528613000	USD
CY2020	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	518629000	USD
CY2019	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	479934000	USD
CY2021	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	139085000	USD
CY2020	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	402902000	USD
CY2019	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	USD
CY2021	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	15718000	USD
CY2020	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	74152000	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	0	USD
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	4646854000	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	4133959000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	3689482000	USD

Files In Submission

Name	View Source	Status
0000920522-22-000019-index-headers.html	Edgar Link	pending
0000920522-22-000019-index.html	Edgar Link	pending
0000920522-22-000019.txt	Edgar Link	pending
0000920522-22-000019-xbrl.zip	Edgar Link	pending
ess-123121xex1018.htm	Edgar Link	pending
ess-123121xex102.htm	Edgar Link	pending
ess-123121xex211.htm	Edgar Link	pending
ess-123121xex231.htm	Edgar Link	pending
ess-123121xex232.htm	Edgar Link	pending
ess-123121xex311.htm	Edgar Link	pending
ess-123121xex312.htm	Edgar Link	pending
ess-123121xex313.htm	Edgar Link	pending
ess-123121xex314.htm	Edgar Link	pending
ess-123121xex321.htm	Edgar Link	pending
ess-123121xex322.htm	Edgar Link	pending
ess-123121xex323.htm	Edgar Link	pending
ess-123121xex324.htm	Edgar Link	pending
ess-123121_ex34.htm	Edgar Link	pending
ess-20211231.htm	Edgar Link	pending
ess-20211231.xsd	Edgar Link	pending
ess-20211231_cal.xml	Edgar Link	unprocessable
ess-20211231_def.xml	Edgar Link	unprocessable
ess-20211231_g1.jpg	Edgar Link	pending
ess-20211231_htm.xml	Edgar Link	completed
ess-20211231_lab.xml	Edgar Link	unprocessable
ess-20211231_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$ESS
ESSEX PROPERTY TRUST, INC. Stock $ess

2021 Form 10-K Financial Statement

#000092052222000019 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ESS ESSEX PROPERTY TRUST, INC. Stock $ess

2021 Form 10-K Financial Statement

#000092052222000019 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ESS
ESSEX PROPERTY TRUST, INC. Stock $ess