$EXR
Extra Space Storage Inc. Stock $exr

$exr Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000162828022021367 Filed on August 05, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2022 Q1
Revenue	$498.9M	$475.0M	$443.6M
YoY Change	20.95%	25.45%	23.6%
Cost Of Revenue	$114.6M	$104.3M	$103.5M
YoY Change	23.47%	16.93%	12.1%
Gross Profit	$384.3M	$370.7M	$340.0M
YoY Change	20.22%	28.07%	27.59%
Gross Profit Margin	77.03%	78.05%	76.66%
Selling, General & Admin	$32.28M	$31.25M	$29.76M
YoY Change	32.3%	18.64%	26.65%
% of Gross Profit	8.4%	8.43%	8.75%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$71.42M	$69.07M	$67.91M
YoY Change	16.1%	15.94%	15.88%
% of Gross Profit	18.58%	18.63%	19.97%
Operating Expenses	$103.7M	$100.3M	$97.67M
YoY Change	20.7%	16.77%	18.82%
Operating Profit	$269.9M	$275.7M	$235.3M
YoY Change	19.26%	40.05%	-2.39%
Interest Expense	$56.25M	$47.47M	$42.54M
YoY Change	41.78%	17.96%	4.53%
% of Operating Profit	20.84%	17.22%	18.08%
Other Income/Expense, Net
YoY Change
Pretax Income	$231.7M	$243.3M	$211.8M
YoY Change	16.84%	43.58%	-0.43%
Income Tax	$6.760M	$5.615M	$3.141M
% Of Pretax Income	2.92%	2.31%	1.48%
Net Earnings	$220.7M	$232.1M	$203.6M
YoY Change	17.23%	38.22%	0.29%
Net Earnings / Revenue	44.24%	48.87%	45.9%
Basic Earnings Per Share	$1.65	$1.73	$1.52
Diluted Earnings Per Share	$1.65	$1.73	$1.51
COMMON SHARES
Basic Shares Outstanding	133.9M shares	134.2M shares	134.2M shares
Diluted Shares Outstanding	141.5M shares	142.7M shares	141.6M shares

Balance Sheet

Concept	2022 Q3	2022 Q2	2022 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$86.99M	$58.73M	$65.98M
YoY Change	32.68%	4.86%	9.42%
Cash & Equivalents	$86.99M	$58.73M	$65.98M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$86.99M	$58.73M	$65.98M
YoY Change	32.68%	4.86%	9.42%
LONG-TERM ASSETS
Property, Plant & Equipment	$42.71M	$34.78M	$9.178B
YoY Change	-99.5%	-99.58%	12.15%
Goodwill	$170.8M	$170.8M
YoY Change
Intangibles
YoY Change
Long-Term Investments	$929.2M	$898.1M	$821.2M
YoY Change	-5.17%	-3.43%	2324.03%
Other Assets	$7.363M	$11.44M	$6.688M
YoY Change	-53.15%	205.56%	167.52%
Total Long-Term Assets	$11.75B	$10.98B	$10.53B
YoY Change	21.89%	16.72%	13.47%
TOTAL ASSETS
Total Short-Term Assets	$86.99M	$58.73M	$65.98M
Total Long-Term Assets	$11.75B	$10.98B	$10.53B
Total Assets	$11.84B	$11.04B	$10.59B
YoY Change	21.96%	16.65%	13.44%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$191.2M	$171.9M	$136.9M
YoY Change	16.1%	14.54%	6.09%
Accrued Expenses	$233.8M	$238.4M	$242.8M
YoY Change	-0.12%	-0.01%	-0.07%
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	$425.0M	$410.3M	$379.7M
YoY Change	6.58%	5.61%	2.07%
LONG-TERM LIABILITIES
Long-Term Debt	$6.994B	$6.388B	$6.013B
YoY Change	25.25%	18.93%	13.44%
Other Long-Term Liabilities	$352.8M	$347.6M	$321.2M
YoY Change	2.9%	1.41%	-8.12%
Total Long-Term Liabilities	$7.346B	$6.735B	$6.334B
YoY Change	23.95%	17.88%	12.1%
TOTAL LIABILITIES
Total Short-Term Liabilities	$425.0M	$410.3M	$379.7M
Total Long-Term Liabilities	$7.346B	$6.735B	$6.334B
Total Liabilities	$7.771B	$7.146B	$6.714B
YoY Change	22.86%	17.1%	11.49%
SHAREHOLDERS EQUITY
Retained Earnings	-$139.3M	-$159.1M	-$127.2M
YoY Change	-39.26%	-36.43%	-55.28%
Common Stock	$3.341B	$3.336B	$3.331B
YoY Change	1.71%	1.38%	1.44%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.251B	$3.202B	$3.210B
YoY Change
Total Liabilities & Shareholders Equity	$11.84B	$11.04B	$10.59B
YoY Change	21.96%	16.65%	13.44%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2022 Q1
OPERATING ACTIVITIES
Net Income	$220.7M	$232.1M	$203.6M
YoY Change	17.23%	38.22%	0.29%
Depreciation, Depletion And Amortization	$71.42M	$69.07M	$67.91M
YoY Change	16.1%	15.94%	15.88%
Cash From Operating Activities	$307.6M	$352.9M	$287.5M
YoY Change	15.83%	35.85%	41.0%
INVESTING ACTIVITIES
Capital Expenditures	-$698.9M	-$258.5M	-$218.5M
YoY Change	201.12%	14.12%	23.8%
Acquisitions
YoY Change
Other Investing Activities	$26.64M	-$190.1M	$97.13M
YoY Change	-165.94%	-591.66%	-55.67%
Cash From Investing Activities	-$672.2M	-$448.7M	-$121.4M
YoY Change	146.7%	138.77%	-384.94%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change			-100.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	388.8M	93.23M	-$169.6M
YoY Change	1266.92%	-224.4%	-45.58%
NET CHANGE
Cash From Operating Activities	307.6M	352.9M	$287.5M
Cash From Investing Activities	-672.2M	-448.7M	-$121.4M
Cash From Financing Activities	388.8M	93.23M	-$169.6M
Net Change In Cash	24.19M	-2.500M	-$3.528M
YoY Change	12.34%	-18.3%	-94.59%
FREE CASH FLOW
Cash From Operating Activities	$307.6M	$352.9M	$287.5M
Capital Expenditures	-$698.9M	-$258.5M	-$218.5M
Free Cash Flow	$1.006B	$611.5M	$506.0M
YoY Change	102.24%	25.72%	33.02%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Entity Central Index Key EntityCentralIndexKey	0001289490
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-32269
	dei	Entity Registrant Name EntityRegistrantName	EXTRA SPACE STORAGE INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-1076777
	dei	Entity Address Address Line1 EntityAddressAddressLine1	2795 East Cottonwood Parkway, Suite 300
	dei	City Area Code CityAreaCode	801
	dei	Entity Address City Or Town EntityAddressCityOrTown	Salt Lake City
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	84121
	dei	Entity Address State Or Province EntityAddressStateOrProvince	UT
	dei	Local Phone Number LocalPhoneNumber	365-4600
	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value
	dei	Trading Symbol TradingSymbol	EXR
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	133912036	shares
CY2022Q2	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	9135464000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	8834649000	usd
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	232045000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	227949000	usd
CY2022Q2	us-gaap	Real Estate Investments Unconsolidated Real Estate And Other Joint Ventures RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures	544771000	usd
CY2020Q4	exr	Debt Securities Held To Maturity Period After Which Preferred Dividends Increase Annually DebtSecuritiesHeldToMaturityPeriodAfterWhichPreferredDividendsIncreaseAnnually	P5Y
CY2021Q4	us-gaap	Real Estate Investments Unconsolidated Real Estate And Other Joint Ventures RealEstateInvestmentsUnconsolidatedRealEstateAndOtherJointVentures	457326000	usd
CY2022Q2	exr	Debt Securities Held To Maturity And Financing Receivable After Allowance For Credit Loss And Interest Receivable DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable	702354000	usd
CY2021Q4	exr	Debt Securities Held To Maturity And Financing Receivable After Allowance For Credit Loss And Interest Receivable DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable	719187000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	58729000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	71126000	usd
CY2022Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	11437000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	5068000	usd
CY2022Q2	us-gaap	Other Assets OtherAssets	353967000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	159172000	usd
CY2022Q2	us-gaap	Assets Assets	11038767000	usd
CY2021Q4	us-gaap	Assets Assets	10474477000	usd
CY2022Q2	us-gaap	Other Notes Payable OtherNotesPayable	1288487000	usd
CY2021Q4	us-gaap	Other Notes Payable OtherNotesPayable	1320755000	usd
CY2022Q2	us-gaap	Unsecured Debt UnsecuredDebt	1742995000	usd
CY2021Q4	us-gaap	Unsecured Debt UnsecuredDebt	1741926000	usd
CY2022Q2	us-gaap	Senior Notes SeniorNotes	2757158000	usd
CY2021Q4	us-gaap	Senior Notes SeniorNotes	2360066000	usd
CY2022Q2	us-gaap	Line Of Credit LineOfCredit	599000000	usd
CY2021Q4	us-gaap	Line Of Credit LineOfCredit	535000000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	238392000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	233356000	usd
CY2022Q2	exr	Cash Distributions In Unconsolidated Real Estate Ventures CashDistributionsInUnconsolidatedRealEstateVentures	65377000	usd
CY2021Q4	exr	Cash Distributions In Unconsolidated Real Estate Ventures CashDistributionsInUnconsolidatedRealEstateVentures	63582000	usd
CY2022Q2	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	171918000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	142285000	usd
CY2022Q2	us-gaap	Other Liabilities OtherLiabilities	282200000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	291531000	usd
CY2022Q2	us-gaap	Liabilities Liabilities	7145527000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	6688501000	usd
CY2022Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	410370000	usd
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	500000000	shares
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	133900184	shares
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	133900184	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	133922305	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	133922305	shares
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	1339000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	1339000	usd
CY2022Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3334317000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3285948000	usd
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	25555000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-42546000	usd
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-159091000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-128245000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	3202120000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	3116496000	usd
CY2022Q2	us-gaap	Minority Interest In Preferred Unit Holders MinorityInterestInPreferredUnitHolders	261231000	usd
CY2021Q4	us-gaap	Minority Interest In Preferred Unit Holders MinorityInterestInPreferredUnitHolders	259110000	usd
CY2022Q2	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	429889000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3893240000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3785976000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	11038767000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	10474477000	usd
CY2022Q2	us-gaap	Lease Income LeaseIncome	408044000	usd
CY2021Q2	us-gaap	Lease Income LeaseIncome	321500000	usd
	us-gaap	Lease Income LeaseIncome	787852000	usd
	us-gaap	Lease Income LeaseIncome	625093000	usd
CY2022Q2	us-gaap	Direct Premiums Earned DirectPremiumsEarned	46427000	usd
CY2021Q2	us-gaap	Direct Premiums Earned DirectPremiumsEarned	42334000	usd
	us-gaap	Direct Premiums Earned DirectPremiumsEarned	90224000	usd
	us-gaap	Direct Premiums Earned DirectPremiumsEarned	81953000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	20517000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	14796000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	40474000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	30441000	usd
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CY2021Q2	us-gaap	Revenues Revenues	378630000	usd
	us-gaap	Revenues Revenues	918550000	usd
	us-gaap	Revenues Revenues	737487000	usd
CY2022Q2	us-gaap	Cost Of Revenue CostOfRevenue	104252000	usd
CY2021Q2	us-gaap	Cost Of Revenue CostOfRevenue	89155000	usd
	us-gaap	Cost Of Revenue CostOfRevenue	207794000	usd
	us-gaap	Cost Of Revenue CostOfRevenue	181522000	usd
CY2022Q2	exr	Tenant Reinsurance Expense TenantReinsuranceExpense	7537000	usd
CY2021Q2	exr	Tenant Reinsurance Expense TenantReinsuranceExpense	6735000	usd
	exr	Tenant Reinsurance Expense TenantReinsuranceExpense	14579000	usd
	exr	Tenant Reinsurance Expense TenantReinsuranceExpense	13896000	usd
CY2022Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1465000	usd
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	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1465000	usd
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
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	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	61013000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	49881000	usd
CY2022Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	69067000	usd
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	59570000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	136973000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	118169000	usd
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CY2021Q2	us-gaap	Costs And Expenses CostsAndExpenses	181801000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	421824000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	363468000	usd
CY2022Q2	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	14249000	usd
CY2021Q2	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	0	usd
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	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	63883000	usd
CY2022Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	275665000	usd
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	196829000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	510975000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	437902000	usd
CY2022Q2	exr	Interest Expense Excluding Amortization Of Debt Discount Premium InterestExpenseExcludingAmortizationOfDebtDiscountPremium	47466000	usd
CY2021Q2	exr	Interest Expense Excluding Amortization Of Debt Discount Premium InterestExpenseExcludingAmortizationOfDebtDiscountPremium	40240000	usd
	exr	Interest Expense Excluding Amortization Of Debt Discount Premium InterestExpenseExcludingAmortizationOfDebtDiscountPremium	90004000	usd
	exr	Interest Expense Excluding Amortization Of Debt Discount Premium InterestExpenseExcludingAmortizationOfDebtDiscountPremium	80935000	usd
CY2022Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	15060000	usd
CY2021Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	12838000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	34049000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	25142000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	243259000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	169427000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	455020000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	382109000	usd
CY2022Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10190000	usd
CY2021Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8322000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	19287000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15278000	usd
CY2022Q2	exr	Equity Method Investments Gain Loss On Sale Of Real Estate Assets And Purchase Of Joint Venture Partner Interest EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssetsAndPurchaseOfJointVenturePartnerInterest	0	usd
CY2021Q2	exr	Equity Method Investments Gain Loss On Sale Of Real Estate Assets And Purchase Of Joint Venture Partner Interest EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssetsAndPurchaseOfJointVenturePartnerInterest	6251000	usd
	exr	Equity Method Investments Gain Loss On Sale Of Real Estate Assets And Purchase Of Joint Venture Partner Interest EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssetsAndPurchaseOfJointVenturePartnerInterest	0	usd
	exr	Equity Method Investments Gain Loss On Sale Of Real Estate Assets And Purchase Of Joint Venture Partner Interest EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssetsAndPurchaseOfJointVenturePartnerInterest	6251000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5615000	usd
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5421000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8756000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9558000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	247834000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	178579000	usd
	us-gaap	Profit Loss ProfitLoss	465551000	usd
	us-gaap	Profit Loss ProfitLoss	394080000	usd
CY2022Q2	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	4491000	usd
CY2021Q2	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	3438000	usd
	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	8824000	usd
	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	7118000	usd
CY2022Q2	exr	Minority Interest In Net Income Loss Operating Partnerships And Other MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther	11213000	usd
CY2021Q2	exr	Minority Interest In Net Income Loss Operating Partnerships And Other MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther	7193000	usd
	exr	Minority Interest In Net Income Loss Operating Partnerships And Other MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther	21018000	usd
	exr	Minority Interest In Net Income Loss Operating Partnerships And Other MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther	16016000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	232130000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	167948000	usd
	us-gaap	Net Income Loss NetIncomeLoss	435709000	usd
	us-gaap	Net Income Loss NetIncomeLoss	370946000	usd
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.73
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.25
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.24
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.79
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.73
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.24
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134192540	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133756610	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134186426	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132886933	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	142737909	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140407195	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	141600206	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140428558	shares
CY2022Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.50
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.00
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	3.00
CY2022Q2	exr	Average Share Price Per Share AverageSharePricePerShare	185.25
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.00
CY2022Q2	us-gaap	Profit Loss ProfitLoss	247834000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	178579000	usd
	us-gaap	Profit Loss ProfitLoss	465551000	usd
	us-gaap	Profit Loss ProfitLoss	394080000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	20113000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5617000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	71762000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	28630000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	267947000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	184196000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	537313000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	422710000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	16719000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	10898000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	33503000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	24501000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	251228000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	173298000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	503810000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	398209000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2936124000	usd
CY2021Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4254000	usd
CY2021Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	3652000	usd
CY2021Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	273720000	usd
CY2021Q1	exr	Noncontrolling Interest Other Decrease Increase NoncontrollingInterestOtherDecreaseIncrease	50000	usd
CY2021Q1	us-gaap	Profit Loss ProfitLoss	215501000	usd
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	23013000	usd
CY2021Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	9025000	usd
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.00
CY2021Q1	us-gaap	Dividends Common Stock DividendsCommonStock	132540000	usd
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3314649000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	4983000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Stock Issued Issuance Costs AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts	211000	usd
CY2021Q2	exr	Noncontrolling Interest Increase From Repayment Of Receivable Pledged As Collateral NoncontrollingInterestIncreaseFromRepaymentOfReceivablePledgedAsCollateral	411000	usd
CY2021Q2	exr	Noncontrolling Interest Other Decrease Increase NoncontrollingInterestOtherDecreaseIncrease	-150000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	178579000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5617000	usd
CY2021Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	8974000	usd
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.00
CY2021Q2	us-gaap	Dividends Common Stock DividendsCommonStock	133777000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3360955000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3785976000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	4542000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	40965000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	217717000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	51649000	usd
CY2022Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	14111000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3933000	usd
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.50
CY2022Q1	us-gaap	Dividends Common Stock DividendsCommonStock	202527000	usd
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3878164000	usd
CY2022Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	5245000	usd
CY2022Q2	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	16000000	usd
CY2022Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	63008000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	247834000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	20113000	usd
CY2022Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	14127000	usd
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.50
CY2022Q2	us-gaap	Dividends Common Stock DividendsCommonStock	201024000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3893240000	usd
	us-gaap	Profit Loss ProfitLoss	465551000	usd
	us-gaap	Profit Loss ProfitLoss	394080000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	136973000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	118169000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4869000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	939000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	945000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	9787000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	8635000	usd
	exr	Noncash Interest Income NoncashInterestIncome	19235000	usd
	exr	Noncash Interest Income NoncashInterestIncome	17312000	usd
	exr	Gains Losses On Real Estate Transactions Net Of Impairment Of Real Estate GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate	14249000	usd
	exr	Gains Losses On Real Estate Transactions Net Of Impairment Of Real Estate GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate	63883000	usd
	exr	Gain Loss From Unconsolidated Real Estate Joint Ventures Gain Loss On Sale Of Real Estate GainLossFromUnconsolidatedRealEstateJointVenturesGainLossOnSaleOfRealEstate	0	usd
	exr	Gain Loss From Unconsolidated Real Estate Joint Ventures Gain Loss On Sale Of Real Estate GainLossFromUnconsolidatedRealEstateJointVenturesGainLossOnSaleOfRealEstate	6251000	usd
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-6204000	usd
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-3026000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-15789000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-5519000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	28646000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	19063000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	6049000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3172000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	640387000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	463688000	usd
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	438287000	usd
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	375209000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	157301000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	29256000	usd
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	25782000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	39367000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	194205000	usd
	us-gaap	Payments To Acquire Real Estate And Real Estate Joint Ventures PaymentsToAcquireRealEstateAndRealEstateJointVentures	76339000	usd
	us-gaap	Payments To Acquire Real Estate And Real Estate Joint Ventures PaymentsToAcquireRealEstateAndRealEstateJointVentures	7174000	usd
	exr	Return Of Investment Real Estate Ventures ReturnOfInvestmentRealEstateVentures	342000	usd
CY2021Q2	exr	Average Share Price Per Share AverageSharePricePerShare	149.81
	exr	Return Of Investment Real Estate Ventures ReturnOfInvestmentRealEstateVentures	31534000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	204930000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	68523000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	223773000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	20426000	usd
	us-gaap	Proceeds From Sale Of Notes Receivable ProceedsFromSaleOfNotesReceivable	82115000	usd
	us-gaap	Proceeds From Sale Of Notes Receivable ProceedsFromSaleOfNotesReceivable	87298000	usd
	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	9512000	usd
	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	2077000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-570028000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-145302000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	273509000	usd
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	1948657000	usd
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	2372000000	usd
	us-gaap	Repayments Of Debt RepaymentsOfDebt	1915531000	usd
	us-gaap	Repayments Of Debt RepaymentsOfDebt	3193025000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	400000000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	446396000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	6713000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5403000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4254000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	63008000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
	exr	Cash Portion Of Redemption Of Preferred Operating Partnership Units CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits	3504000	usd
	exr	Cash Portion Of Redemption Of Preferred Operating Partnership Units CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits	472000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	4500000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	usd
	exr	Proceeds From Notes Receivable Collateralized By Noncontrolling Interest ProceedsFromNotesReceivableCollateralizedByNoncontrollingInterest	0	usd
	exr	Proceeds From Notes Receivable Collateralized By Noncontrolling Interest ProceedsFromNotesReceivableCollateralizedByNoncontrollingInterest	411000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	403551000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	266317000	usd
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	28237000	usd
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	17999000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-76387000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-386646000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-6028000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-68260000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	76194000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	128009000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	70166000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	59749000	usd
	us-gaap	Interest Paid Net InterestPaidNet	82381000	usd
	us-gaap	Interest Paid Net InterestPaidNet	76289000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	9116000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16749000	usd
	exr	Noncontrolling Interest Decrease From Redemptions Of Operating Partnership Units NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits	0	usd
	exr	Noncontrolling Interest Decrease From Redemptions Of Operating Partnership Units NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits	2378000	usd
	exr	Redemption Of Operating Partnership Units Held By Noncontrolling Interest Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital	0	usd
	exr	Redemption Of Operating Partnership Units Held By Noncontrolling Interest Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital	2378000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1689000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2493000	usd
	exr	Establishment Of Operating Lease Liability EstablishmentOfOperatingLeaseLiability	1689000	usd
	exr	Establishment Of Operating Lease Liability EstablishmentOfOperatingLeaseLiability	2493000	usd
	exr	Noncash Or Part Noncash Acquisition Net Real Estate Assets Acquired NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired	48535000	usd
	exr	Noncash Or Part Noncash Acquisition Net Real Estate Assets Acquired NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired	43666000	usd
	exr	Issuance Of Equity For Acquisition Of Real Estate Assets IssuanceOfEquityForAcquisitionOfRealEstateAssets	40965000	usd
	exr	Issuance Of Equity For Acquisition Of Real Estate Assets IssuanceOfEquityForAcquisitionOfRealEstateAssets	0	usd
	exr	Investments In Real Estate Joint Ventures Net Of Distributions Received InvestmentsInRealEstateJointVenturesNetOfDistributionsReceived	747000	usd
	exr	Investments In Real Estate Joint Ventures Net Of Distributions Received InvestmentsInRealEstateJointVenturesNetOfDistributionsReceived	2673000	usd
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	6823000	usd
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	40993000	usd
	exr	Real Estate Additions Portion Not Yet Paid RealEstateAdditionsPortionNotYetPaid	987000	usd
	exr	Real Estate Additions Portion Not Yet Paid RealEstateAdditionsPortionNotYetPaid	1016000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	987000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1016000	usd
	exr	Noncash Investment In Joint Venture NoncashInvestmentInJointVenture	0	usd
	exr	Noncash Investment In Joint Venture NoncashInvestmentInJointVenture	33878000	usd
	exr	Real Estate Assets Transferred For Investment In Joint Venture RealEstateAssetsTransferredForInvestmentInJointVenture	0	usd
	exr	Real Estate Assets Transferred For Investment In Joint Venture RealEstateAssetsTransferredForInvestmentInJointVenture	33878000	usd
	us-gaap	Nature Of Operations NatureOfOperations	ORGANIZATION<div style="margin-top:6pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Extra Space Storage Inc. (the “Company”) is a fully integrated, self-administered and self-managed real estate investment trust (“REIT”), formed as a Maryland corporation on April 30, 2004, to own, operate, manage, acquire, develop and redevelop self-storage properties ("stores") located throughout the United States. The Company was formed to continue the business of Extra Space Storage LLC and its subsidiaries, which had engaged in the self-storage business since 1977. The Company’s interest in its stores is held through its operating partnership, Extra Space Storage LP (the “Operating Partnership”), which was formed on May 5, 2004. The Company’s primary assets are general partner and limited partner interests in the Operating Partnership. This structure is commonly referred to as an umbrella partnership REIT, or UPREIT. </span></div><div style="text-indent:24.75pt"><span><br/></span></div><div style="text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company invests in stores by acquiring wholly-owned stores or by acquiring an equity interest in real estate entities. At June 30, 2022, the Company had direct and indirect equity interests in 1,313 stores. In addition, the Company managed 864 stores for third parties, bringing the total number of stores which it owns and/or manages to 2,177. These stores are located in 41 states and Washington, D.C. The Company also offers tenant reinsurance at its owned and managed stores that insures the value of goods in the storage units.</span></div>
CY2022Q2	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	1313	store
CY2022Q2	exr	Number Of Real Estate Properties Franchisees And Others NumberOfRealEstatePropertiesFranchiseesAndOthers	864	store
CY2022Q2	exr	Number Of Real Estate Properties Owned And Or Managed NumberOfRealEstatePropertiesOwnedAndOrManaged	2177	store
CY2022Q2	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	41	state
CY2022Q2	exr	Number Of Operating Stores Held For Sale NumberOfOperatingStoresHeldForSale	0	store
CY2022Q2	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	1992922000	usd
CY2022Q2	us-gaap	Land Land	2223174000	usd
CY2021Q4	us-gaap	Land Land	2151319000	usd
CY2022Q2	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	8560995000	usd
CY2021Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	8227094000	usd
CY2022Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	136209000	usd
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	117718000	usd
CY2022Q2	exr	Real Estate Investment Property Intangible Tenant Relationships RealEstateInvestmentPropertyIntangibleTenantRelationships	138994000	usd
CY2021Q4	exr	Real Estate Investment Property Intangible Tenant Relationships RealEstateInvestmentPropertyIntangibleTenantRelationships	134577000	usd
CY2022Q2	exr	Real Estate Investment Property Intangible Lease Rights RealEstateInvestmentPropertyIntangibleLeaseRights	12943000	usd
CY2021Q4	exr	Real Estate Investment Property Intangible Lease Rights RealEstateInvestmentPropertyIntangibleLeaseRights	12443000	usd
CY2022Q2	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	11072315000	usd
CY2021Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	10643151000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	1867750000	usd
CY2022Q2	exr	Net Operating Real Estate Assets NetOperatingRealEstateAssets	9079393000	usd
CY2021Q4	exr	Net Operating Real Estate Assets NetOperatingRealEstateAssets	8775401000	usd
CY2022Q2	us-gaap	Development In Process DevelopmentInProcess	56071000	usd
CY2021Q4	us-gaap	Development In Process DevelopmentInProcess	59248000	usd
CY2022Q2	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	9135464000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	8834649000	usd
CY2022Q2	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	0	usd
CY2021Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	8436000	usd
CY2022Q2	exr	Number Of Operating Stores Held For Sale NumberOfOperatingStoresHeldForSale	0	store
CY2021Q4	us-gaap	Other Assets OtherAssets	159172000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	34782000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	29060000	usd
CY2022Q2	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	6699000	usd
CY2021Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	7408000	usd
CY2022Q2	exr	Prepaid Expense And Deposits PrepaidExpenseAndDeposits	36356000	usd
CY2021Q4	exr	Prepaid Expense And Deposits PrepaidExpenseAndDeposits	39384000	usd
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	73983000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	83050000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	170811000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	0	usd
CY2022Q2	us-gaap	Derivative Assets DerivativeAssets	31336000	usd
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	270000	usd
CY2022Q2	us-gaap	Other Assets OtherAssets	353967000	usd
CY2022Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	183807	shares
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1056433	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1258275	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	301483	shares
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	232130000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	167948000	usd
	us-gaap	Net Income Loss NetIncomeLoss	435709000	usd
	us-gaap	Net Income Loss NetIncomeLoss	370946000	usd
CY2022Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	313000	usd
CY2021Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	232000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	601000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	541000	usd
CY2022Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	231817000	usd
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	167716000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	435108000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	370405000	usd
CY2022Q2	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	15201000	usd
CY2021Q2	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	8833000	usd
	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	24978000	usd
	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	21889000	usd
CY2022Q2	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	572000	usd
CY2021Q2	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	572000	usd
	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	1144000	usd
	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	1144000	usd
CY2022Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	246446000	usd
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	175977000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	458942000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	391150000	usd
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134192540	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133756610	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134186426	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132886933	shares
CY2022Q2	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	6545104	shares
CY2021Q2	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	5767460	shares
	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	6533010	shares
	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	5784003	shares
CY2022Q2	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	5144	shares
CY2021Q2	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	7645	shares
	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	5290	shares
	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	17086	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	142737909	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140407195	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	141600206	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140428558	shares
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.73
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.25
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.24
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.79
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.73
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.24
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
CY2022Q2	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	15	store
CY2022Q2	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	220933000	usd
CY2022Q2	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	6823000	usd
CY2022Q2	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	usd
CY2022Q2	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-811000	usd
CY2022Q2	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	0	usd
CY2022Q2	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	228567000	usd
CY2022Q1	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	14	store
CY2022Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	185910000	usd
CY2022Q1	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	0	usd
CY2022Q1	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	747000	usd
CY2022Q1	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-274000	usd
CY2022Q1	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	40965000	usd
CY2022Q1	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	227896000	usd
	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	29	store
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	406843000	usd
	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	6823000	usd
	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	747000	usd
	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-1085000	usd
	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	40965000	usd
	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	456463000	usd
CY2021Q2	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	15	store
CY2021Q2	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	190729000	usd
CY2021Q2	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	0	usd
CY2021Q2	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	2673000	usd
CY2021Q2	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-381000	usd
CY2021Q2	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	0	usd
CY2021Q2	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	193783000	usd
CY2021Q1	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	9	store
CY2021Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	148940000	usd
CY2021Q1	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	0	usd
CY2021Q1	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	usd
CY2021Q1	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-2944000	usd
CY2021Q1	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	0	usd
CY2021Q1	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	151884000	usd
	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	74	store
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	339669000	usd
	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	0	usd
	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	2673000	usd
	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-3325000	usd
	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	0	usd
	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	345667000	usd
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	925196000	usd
CY2021	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1592021000	usd
CY2022Q2	exr	Number Of Properties Disposed NumberOfPropertiesDisposed	2	store
CY2022Q2	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	38700000	usd
CY2022Q2	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	14200000	usd
CY2022Q2	exr	Equity Method Investment Number Of Stores EquityMethodInvestmentNumberOfStores	304	property
CY2022Q2	exr	Investment In Unconsolidated Real Estate Entities Net Of Distributions InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions	479394000	usd
CY2021Q4	exr	Investment In Unconsolidated Real Estate Entities Net Of Distributions InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions	393744000	usd
	us-gaap	Payments To Acquire Real Estate And Real Estate Joint Ventures PaymentsToAcquireRealEstateAndRealEstateJointVentures	76339000	usd
	exr	Equity Method Investments Number Of Stores Acquired EquityMethodInvestmentsNumberOfStoresAcquired	18	store
CY2022Q2	us-gaap	Dividends Receivable DividendsReceivable	53298000	usd
CY2021Q4	us-gaap	Dividends Receivable DividendsReceivable	38066000	usd
CY2022Q2	exr	Debt Securities Held To Maturity And Financing Receivable After Allowance For Credit Loss And Interest Receivable DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable	702354000	usd
CY2021Q4	exr	Debt Securities Held To Maturity And Financing Receivable After Allowance For Credit Loss And Interest Receivable DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable	719187000	usd
CY2020Q4	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	300000000	usd
CY2020Q4	exr	Debt Securities Held To Maturity Term DebtSecuritiesHeldToMaturityTerm	P5Y
CY2020Q4	exr	Debt Securities Held To Maturity Extension Option DebtSecuritiesHeldToMaturityExtensionOption	2	extension_option
CY2020Q4	exr	Debt Securities Held To Maturity Extension Term DebtSecuritiesHeldToMaturityExtensionTerm	P1Y
CY2020Q3	exr	Notes Receivable Collateral Number Of Facilities NotesReceivableCollateralNumberOfFacilities	62	store
CY2022Q2	exr	Financing Receivable Extension Option FinancingReceivableExtensionOption	2	extension_option
	exr	Financing Receivable Extension Term FinancingReceivableExtensionTerm	P1Y
CY2022Q2	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	14738000	usd
CY2022Q2	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	18	derivative
CY2022Q2	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	1874699000	usd
CY2022Q1	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	186766	shares
CY2022Q1	exr	Number Of Stores Acquired With Issuance Of Common Stock NumberOfStoresAcquiredWithIssuanceOfCommonStock	2	store
CY2022Q1	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	40965000	usd
CY2021Q3	exr	Number Of Sales Agents NumberOfSalesAgents	10	sales_agent
CY2021Q1	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	1600000	shares
CY2021Q1	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	129.13
CY2021Q1	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	206572000	usd
CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	400000000	usd
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	381786	shares
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	165.03
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	63008000	usd
CY2022Q2	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	336992000	usd
CY2022Q2	us-gaap	Due From Related Parties Noncurrent DueFromRelatedPartiesNoncurrent	100000000	usd
CY2021Q4	us-gaap	Due From Related Parties Noncurrent DueFromRelatedPartiesNoncurrent	100000000	usd
CY2022Q2	us-gaap	Minority Interest In Preferred Unit Holders MinorityInterestInPreferredUnitHolders	261231000	usd
CY2021Q4	us-gaap	Minority Interest In Preferred Unit Holders MinorityInterestInPreferredUnitHolders	259110000	usd
	exr	Notes Receivable Stated Interest Rate NotesReceivableStatedInterestRate	0.050
	exr	Average Closing Market Price Measurement Period AverageClosingMarketPriceMeasurementPeriod	P10D
	exr	Average Closing Market Price Measurement Period AverageClosingMarketPriceMeasurementPeriod	P10D
CY2022Q2	exr	Common Stock Average Closing Market Price CommonStockAverageClosingMarketPrice	167.02
CY2022Q2	us-gaap	Preferred Units Outstanding PreferredUnitsOutstanding	6602151	shares
CY2022Q2	exr	Operating Partnership Units Redemption Amount OperatingPartnershipUnitsRedemptionAmount	1102691000	usd
CY2022Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Common Stock NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock	0	shares
CY2021Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Common Stock NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock	63429	shares
CY2022Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Cash NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash	18028	shares
CY2021Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Cash NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash	3000	shares
CY2022Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed Cash Paid NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid	3504000	usd
CY2021Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed Cash Paid NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid	472000	usd
CY2022Q2	exr	Noncontrolling Interest Operating Partnership Units Issued With Acquisition NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition	91743	shares
CY2021Q2	exr	Noncontrolling Interest Operating Partnership Units Issued With Acquisition NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition	0	shares
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	20517000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	14796000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	40474000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	30441000	usd
CY2022Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1465000	usd
CY2021Q2	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1465000	usd
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2022Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	31251000	usd
CY2021Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	26341000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	61013000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	49881000	usd
CY2022Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	69067000	usd
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	59570000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	136973000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	118169000	usd
CY2022Q2	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	14249000	usd
CY2021Q2	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	0	usd
	exr	Gains Losses On Real Estate Transactions Net Of Impairment Of Real Estate GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate	14249000	usd
	exr	Gains Losses On Real Estate Transactions Net Of Impairment Of Real Estate GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate	63883000	usd
CY2022Q2	us-gaap	Interest Expense InterestExpense	47466000	usd
CY2021Q2	us-gaap	Interest Expense InterestExpense	40240000	usd
	us-gaap	Interest Expense InterestExpense	90004000	usd
	us-gaap	Interest Expense InterestExpense	80935000	usd
CY2022Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	15060000	usd
CY2021Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	12838000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	34049000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	25142000	usd
CY2022Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10190000	usd
CY2021Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8322000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	19287000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15278000	usd
CY2022Q2	exr	Equity Method Investments Gain Loss On Sale Of Real Estate Assets And Purchase Of Joint Venture Partner Interest EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssetsAndPurchaseOfJointVenturePartnerInterest	0	usd
CY2021Q2	exr	Equity Method Investments Gain Loss On Sale Of Real Estate Assets And Purchase Of Joint Venture Partner Interest EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssetsAndPurchaseOfJointVenturePartnerInterest	6251000	usd
	exr	Equity Method Investments Gain Loss On Sale Of Real Estate Assets And Purchase Of Joint Venture Partner Interest EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssetsAndPurchaseOfJointVenturePartnerInterest	0	usd
	exr	Equity Method Investments Gain Loss On Sale Of Real Estate Assets And Purchase Of Joint Venture Partner Interest EquityMethodInvestmentsGainLossOnSaleOfRealEstateAssetsAndPurchaseOfJointVenturePartnerInterest	6251000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5615000	usd
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5421000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8756000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9558000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	247834000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	178579000	usd
	us-gaap	Profit Loss ProfitLoss	465551000	usd
	us-gaap	Profit Loss ProfitLoss	394080000	usd

Files In Submission

Name	View Source	Status
0001628280-22-021367-index-headers.html	Edgar Link	pending
0001628280-22-021367-index.html	Edgar Link	pending
0001628280-22-021367.txt	Edgar Link	pending
0001628280-22-021367-xbrl.zip	Edgar Link	pending
exr-20220630.htm	Edgar Link	pending
exr-20220630.xsd	Edgar Link	pending
exr-20220630_cal.xml	Edgar Link	unprocessable
exr-20220630_def.xml	Edgar Link	unprocessable
exr-20220630_htm.xml	Edgar Link	completed
exr-20220630_lab.xml	Edgar Link	unprocessable
exr-20220630_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
q2202210qex221.htm	Edgar Link	pending
q2202210qex311.htm	Edgar Link	pending
q2202210qex312.htm	Edgar Link	pending
q2202210qex321.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$EXR
Extra Space Storage Inc. Stock $exr

2022 Q3 Form 10-Q Financial Statement

#000162828022021367 Filed on August 05, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXR Extra Space Storage Inc. Stock $exr

2022 Q3 Form 10-Q Financial Statement

#000162828022021367 Filed on August 05, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXR
Extra Space Storage Inc. Stock $exr