$EXR
Extra Space Storage Inc. Stock $exr

$exr Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000162828021015923 Filed on August 05, 2021

Income Statement

Concept	2021 Q2	2020 Q2
Revenue	$378.6M	$327.2M
YoY Change	15.7%	1.13%
Cost Of Revenue	$89.16M	$89.04M
YoY Change	0.13%	10.1%
Gross Profit	$289.5M	$238.2M
YoY Change	21.52%	-1.86%
Gross Profit Margin	76.45%	72.79%
Selling, General & Admin	$26.34M	$25.30M
YoY Change	4.11%	8.12%
% of Gross Profit	9.1%	10.62%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$59.57M	$56.02M
YoY Change	6.34%	2.96%
% of Gross Profit	20.58%	23.52%
Operating Expenses	$85.91M	$81.40M
YoY Change	5.54%	4.76%
Operating Profit	$196.8M	$150.0M
YoY Change	31.23%	-5.78%
Interest Expense	$40.24M	$41.04M
YoY Change	-1.95%	-13.51%
% of Operating Profit	20.44%	27.36%
Other Income/Expense, Net
YoY Change
Pretax Income	$169.4M	$109.4M
YoY Change	54.88%	-2.58%
Income Tax	$5.421M	$3.177M
% Of Pretax Income	3.2%	2.9%
Net Earnings	$167.9M	$102.9M
YoY Change	63.2%	-1.83%
Net Earnings / Revenue	44.36%	31.45%
Basic Earnings Per Share	$1.25	$0.80
Diluted Earnings Per Share	$1.25	$0.80
COMMON SHARES
Basic Shares Outstanding	133.8M shares	128.9M shares
Diluted Shares Outstanding	140.4M shares	129.1M shares

Balance Sheet

Concept	2021 Q2	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$56.01M	$56.40M
YoY Change	-0.7%	18.24%
Cash & Equivalents	$56.01M	$56.40M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$56.01M	$56.40M
YoY Change	-0.7%	18.24%
LONG-TERM ASSETS
Property, Plant & Equipment	$8.347B	$7.935B
YoY Change	5.19%	0.59%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$930.0M	$344.2M
YoY Change	170.19%	97.25%
Other Assets	$3.743M	$5.400M
YoY Change	-30.69%	-32.5%
Total Long-Term Assets	$9.407B	$8.473B
YoY Change	11.02%	1.56%
TOTAL ASSETS
Total Short-Term Assets	$56.01M	$56.40M
Total Long-Term Assets	$9.407B	$8.473B
Total Assets	$9.463B	$8.530B
YoY Change	10.94%	1.66%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$150.1M	$132.3M
YoY Change	13.45%	14.94%
Accrued Expenses	$238.4M	$271.9M
YoY Change	-12.32%	17.81%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$388.5M	$404.2M
YoY Change	-3.88%	16.85%
LONG-TERM LIABILITIES
Long-Term Debt	$5.371B	$5.081B
YoY Change	5.71%	0.85%
Other Long-Term Liabilities	$342.8M	$299.3M
YoY Change	14.52%	68.34%
Total Long-Term Liabilities	$5.714B	$5.380B
YoY Change	6.2%	3.15%
TOTAL LIABILITIES
Total Short-Term Liabilities	$388.5M	$404.2M
Total Long-Term Liabilities	$5.714B	$5.380B
Total Liabilities	$6.102B	$5.784B
YoY Change	5.49%	4.0%
SHAREHOLDERS EQUITY
Retained Earnings	-$250.3M	-$391.3M
YoY Change	-36.04%	35.67%
Common Stock	$3.290B	$2.886B
YoY Change	14.0%	4.65%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.968B	$2.376B
YoY Change
Total Liabilities & Shareholders Equity	$9.463B	$8.530B
YoY Change	10.94%	1.66%

Cashflow Statement

Concept	2021 Q2	2020 Q2
OPERATING ACTIVITIES
Net Income	$167.9M	$102.9M
YoY Change	63.2%	-1.83%
Depreciation, Depletion And Amortization	$59.57M	$56.02M
YoY Change	6.34%	2.96%
Cash From Operating Activities	$259.8M	$202.8M
YoY Change	28.1%	4.48%
INVESTING ACTIVITIES
Capital Expenditures	-$226.6M	-$31.40M
YoY Change	621.55%	-25.42%
Acquisitions
YoY Change
Other Investing Activities	$38.67M	-$20.00M
YoY Change	-293.33%	-86.78%
Cash From Investing Activities	-$187.9M	-$51.30M
YoY Change	266.28%	-73.47%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-74.95M	-187.7M
YoY Change	-60.07%	-2389.02%
NET CHANGE
Cash From Operating Activities	259.8M	202.8M
Cash From Investing Activities	-187.9M	-51.30M
Cash From Financing Activities	-74.95M	-187.7M
Net Change In Cash	-3.060M	-36.20M
YoY Change	-91.55%	-506.74%
FREE CASH FLOW
Cash From Operating Activities	$259.8M	$202.8M
Capital Expenditures	-$226.6M	-$31.40M
Free Cash Flow	$486.4M	$234.2M
YoY Change	107.67%	-0.85%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	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	2021-06-30
	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	Entity Address City Or Town EntityAddressCityOrTown	Salt Lake City
	dei	Entity Address State Or Province EntityAddressStateOrProvince	UT
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	84121
	dei	City Area Code CityAreaCode	801
	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
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CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.63
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133756610	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	128932152	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132886933	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	129110131	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140407195	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	129082468	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140428558	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	129285675	shares
CY2021Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.00
CY2020Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.90
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	2.00
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.80
CY2021Q2	us-gaap	Profit Loss ProfitLoss	178579000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	111257000	USD
	us-gaap	Profit Loss ProfitLoss	394080000	USD
	us-gaap	Profit Loss ProfitLoss	227419000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5617000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-5728000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	28630000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-94972000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	184196000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	105529000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	422710000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	132447000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	10898000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	8034000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	24501000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	11647000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	173298000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	97495000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	398209000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	120800000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2921694000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	944000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2980000	USD
CY2020Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	52204000	USD
CY2020Q1	us-gaap	Profit Loss ProfitLoss	116162000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-89244000	USD
CY2020Q1	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	8505000	USD
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.90
CY2020Q1	us-gaap	Dividends Common Stock DividendsCommonStock	117197000	USD
CY2020Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2774630000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	726000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	4884000	USD
CY2020Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	15615000	USD
CY2020Q2	exr	Noncontrolling Interest Other Decrease Increase NoncontrollingInterestOtherDecreaseIncrease	-68000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	111257000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-5728000	USD
CY2020Q2	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	8386000	USD
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.90
CY2020Q2	us-gaap	Dividends Common Stock DividendsCommonStock	116318000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2745518000	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 NoncontrollingInterestIncreaseFromRepaymentOfReceivable	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
	us-gaap	Profit Loss ProfitLoss	394080000	USD
	us-gaap	Profit Loss ProfitLoss	227419000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	118169000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	111293000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4869000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4946000	USD
	exr	Amortization Of Debt Discount Premium Equity Component Of Senior Notes AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes	0	USD
	exr	Amortization Of Debt Discount Premium Equity Component Of Senior Notes AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes	2442000	USD
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	945000	USD
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	430000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	8635000	USD
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	25782000	USD
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	29991000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	7864000	USD
	exr	Noncash Interest Income NoncashInterestIncome	17312000	USD
	exr	Noncash Interest Income NoncashInterestIncome	0	USD
	exr	Gains Losses On Real Estate Transactions Net Of Impairment Of Real Estate GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate	63883000	USD
	exr	Gains Losses On Real Estate Transactions Net Of Impairment Of Real Estate GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate	0	USD
	exr	Income Loss From Unconsolidated Real Estate Joint Ventures IncomeLossFromUnconsolidatedRealEstateJointVentures	6251000	USD
	exr	Income Loss From Unconsolidated Real Estate Joint Ventures IncomeLossFromUnconsolidatedRealEstateJointVentures	0	USD
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-3026000	USD
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-4254000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-5519000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	10185000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	19063000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	19963000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-3172000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	23647000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	463688000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	392073000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	375209000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	45246000	USD
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	194205000	USD
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	0	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	7174000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	9541000	USD
	exr	Return Of Investment Real Estate Ventures ReturnOfInvestmentRealEstateVentures	31534000	USD
	exr	Return Of Investment Real Estate Ventures ReturnOfInvestmentRealEstateVentures	0	USD
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	68523000	USD
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	24325000	USD
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	20426000	USD
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	0	USD
	us-gaap	Proceeds From Sale Of Notes Receivable ProceedsFromSaleOfNotesReceivable	87298000	USD
	us-gaap	Proceeds From Sale Of Notes Receivable ProceedsFromSaleOfNotesReceivable	0	USD
	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	2077000	USD
	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	2765000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-145302000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-111868000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	273509000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	2372000000	USD
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	594000000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	3193025000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	566689000	USD
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	446396000	USD
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	0	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5403000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	12000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4254000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1670000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	67819000	USD
	exr	Cash Portion Of Redemption Of Preferred Operating Partnership Units CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits	472000	USD
	exr	Cash Portion Of Redemption Of Preferred Operating Partnership Units CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits	0	USD
	exr	Proceeds From Collection Of Notes Receivable Collateralized By Op Units ProceedsFromCollectionOfNotesReceivableCollateralizedByOPUnits	411000	USD
	exr	Proceeds From Collection Of Notes Receivable Collateralized By Op Units ProceedsFromCollectionOfNotesReceivableCollateralizedByOPUnits	0	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	68000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	266317000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	233515000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	17999000	USD
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	16890000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-386646000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-289187000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-68260000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-8982000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	128009000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	70733000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	59749000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	61751000	USD
	us-gaap	Interest Paid Net InterestPaidNet	76289000	USD
	us-gaap	Interest Paid Net InterestPaidNet	81950000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16749000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1792000	USD
	exr	Noncontrolling Interest Decrease From Redemptions Of Operating Partnership Units NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits	2378000	USD
	exr	Noncontrolling Interest Decrease From Redemptions Of Operating Partnership Units NoncontrollingInterestDecreaseFromRedemptionsOfOperatingPartnershipUnits	4005000	USD
	exr	Redemption Of Operating Partnership Units Held By Noncontrolling Interest Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital	2378000	USD
	exr	Redemption Of Operating Partnership Units Held By Noncontrolling Interest Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital	4005000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2493000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	6779000	USD
	exr	Establishment Of Operating Lease Liability EstablishmentOfOperatingLeaseLiability	2493000	USD
	exr	Establishment Of Operating Lease Liability EstablishmentOfOperatingLeaseLiability	6779000	USD
	exr	Noncash Or Part Noncash Acquisition Net Real Estate Assets Acquired NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired	2673000	USD
	exr	Noncash Or Part Noncash Acquisition Net Real Estate Assets Acquired NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired	0	USD
	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	2673000	USD
	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	USD
	exr	Real Estate Additions Portion Not Yet Paid RealEstateAdditionsPortionNotYetPaid	1016000	USD
	exr	Real Estate Additions Portion Not Yet Paid RealEstateAdditionsPortionNotYetPaid	912000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1016000	USD
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	912000	USD
	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	0	USD
	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	2724000	USD
	exr	Redemption Of Operating Partnership Units For Common Stock Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital	0	USD
	exr	Redemption Of Operating Partnership Units For Common Stock Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital	2724000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	40993000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	8514000	USD
	exr	Establishment Of Finance Lease Liability EstablishmentOfFinanceLeaseLiability	40993000	USD
	exr	Establishment Of Finance Lease Liability EstablishmentOfFinanceLeaseLiability	8514000	USD
	exr	Noncash Investment In Joint Venture NoncashInvestmentInJointVenture	33878000	USD
	exr	Noncash Investment In Joint Venture NoncashInvestmentInJointVenture	0	USD
	exr	Real Estate Assets Transferred For Investment In Joint Venture RealEstateAssetsTransferredForInvestmentInJointVenture	33878000	USD
	exr	Real Estate Assets Transferred For Investment In Joint Venture RealEstateAssetsTransferredForInvestmentInJointVenture	0	USD
	us-gaap	Nature Of Operations NatureOfOperations	ORGANIZATION<div style="margin-top:6pt"><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><span><br/></span></div><div><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, 2021, the Company had direct and indirect equity interests in 1,205 stores. In addition, the Company managed 768 stores for third parties, bringing the total number of stores which it owns and/or manages to 1,973. These stores are located in 40 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>
CY2021Q2	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	1205	store
CY2021Q2	exr	Number Of Real Estate Properties Franchisees And Others NumberOfRealEstatePropertiesFranchiseesAndOthers	768	store
CY2021Q2	exr	Number Of Real Estate Properties Owned And Or Managed NumberOfRealEstatePropertiesOwnedAndOrManaged	1973	store
CY2021Q2	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	40	state
CY2021Q2	exr	Number Of Operating Stores Held For Sale NumberOfOperatingStoresHeldForSale	17	store
CY2021Q2	exr	Average Share Price Per Share AverageSharePricePerShare	149.81
CY2020Q2	exr	Average Share Price Per Share AverageSharePricePerShare	92.95
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1056433	shares
CY2020Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8484961	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	301483	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8413687	shares
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	167948000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	102911000	USD
	us-gaap	Net Income Loss NetIncomeLoss	370946000	USD
	us-gaap	Net Income Loss NetIncomeLoss	211090000	USD
CY2021Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	232000	USD
CY2020Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	173000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	541000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	336000	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	167716000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	102738000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	370405000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	210754000	USD
CY2021Q2	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	8833000	USD
CY2020Q2	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	0	USD
	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	21889000	USD
	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	0	USD
CY2021Q2	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	572000	USD
CY2020Q2	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	0	USD
	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	1144000	USD
	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	0	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	175977000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	102738000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	391150000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	210754000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133756610	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	128932152	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132886933	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	129110131	shares
CY2021Q2	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	5767460	shares
CY2020Q2	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	0	shares
	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	5784003	shares
	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	0	shares
CY2021Q2	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	7645	shares
CY2020Q2	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	150316	shares
	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	17086	shares
	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	175544	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140407195	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	129082468	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	140428558	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	129285675	shares
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.25
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.80
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.79
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.63
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.80
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.79
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.63
CY2021Q2	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	15	store
CY2021Q2	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	193783000	USD
CY2021Q2	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	190729000	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	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	193783000	USD
CY2021Q1	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	9	store
CY2021Q1	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	151884000	USD
CY2021Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	148940000	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	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	151884000	USD
	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	24	store
	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	345667000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	339669000	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
	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	345667000	USD
CY2020Q2	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	0	store
CY2020Q2	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	0	USD
CY2020Q2	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	0	USD
CY2020Q2	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	USD
CY2020Q2	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	0	USD
CY2020Q2	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	0	USD
CY2020Q1	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	2	store
CY2020Q1	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	19399000	USD
CY2020Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	19354000	USD
CY2021Q1	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	USD
CY2020Q1	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-45000	USD
CY2020Q1	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	19399000	USD
	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	2	store
	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	19399000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	19354000	USD
	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	USD
	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-45000	USD
	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	19399000	USD
CY2021Q2	exr	Number Of Real Estate Properties Acquired Previously Held In Joint Ventures NumberOfRealEstatePropertiesAcquiredPreviouslyHeldInJointVentures	2	store
CY2021Q1	exr	Number Of Stores Sold NumberOfStoresSold	16	store
CY2021Q1	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	132759000	USD
CY2021Q1	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.55
CY2021Q1	exr	Exchange Of Real Estate For Interest In Joint Venture ExchangeOfRealEstateForInterestInJointVenture	33878000	USD
CY2021Q1	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	64804000	USD
CY2021Q2	exr	Equity Method Investment Number Of Properties EquityMethodInvestmentNumberOfProperties	247	property
CY2021Q2	exr	Investment In Unconsolidated Real Estate Entities Net Of Distributions InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions	298524000	USD
CY2020Q4	exr	Investment In Unconsolidated Real Estate Entities Net Of Distributions InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions	350318000	USD
CY2021Q1	exr	Number Of Stores Sold NumberOfStoresSold	16	store
CY2021Q1	us-gaap	Proceeds From Sale Of Real Estate ProceedsFromSaleOfRealEstate	132759000	USD
CY2021Q1	exr	Exchange Of Real Estate For Interest In Joint Venture ExchangeOfRealEstateForInterestInJointVenture	33878000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	7174000	USD
	exr	Equity Method Investments Number Of Stores Acquired EquityMethodInvestmentsNumberOfStoresAcquired	5	store
CY2021Q2	exr	Equity Method Investments Number Of Investments Sold EquityMethodInvestmentsNumberOfInvestmentsSold	2	joint_venture
CY2021Q2	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	1888000	USD
CY2021Q2	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	525000	USD
CY2021Q2	exr	Equity Method Investments Number Of Investments Purchased EquityMethodInvestmentsNumberOfInvestmentsPurchased	2	joint_venture
CY2021Q2	us-gaap	Dividends Receivable DividendsReceivable	21370000	USD
CY2020Q4	us-gaap	Dividends Receivable DividendsReceivable	4889000	USD
CY2021Q2	exr	Debt Securities Held To Maturity And Financing Receivable After Allowance For Credit Loss And Interest Receivable DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable	568781000	USD
CY2020Q4	exr	Debt Securities Held To Maturity And Financing Receivable After Allowance For Credit Loss And Interest Receivable DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable	593810000	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 Option DebtSecuritiesHeldToMaturityExtensionOption	2	extension_option
CY2020Q4	exr	Debt Securities Held To Maturity Extension Term DebtSecuritiesHeldToMaturityExtensionTerm	P1Y
CY2020Q4	exr	Debt Securities Held To Maturity Period After Which Preferred Dividends Increase Annually DebtSecuritiesHeldToMaturityPeriodAfterWhichPreferredDividendsIncreaseAnnually	P5Y
CY2021Q2	exr	Financing Receivable Extension Option FinancingReceivableExtensionOption	2	extension_option
	exr	Financing Receivable Extension Term FinancingReceivableExtensionTerm	P1Y
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	68523000	USD
CY2021Q2	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	35455000	USD
CY2021Q2	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	20	derivative
CY2021Q2	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	1989896000	USD
CY2021Q2	exr	Derivative With Contingent Features Fair Value Of Asset Liability Net DerivativeWithContingentFeaturesFairValueOfAssetLiabilityNet	-71694000	USD
CY2021Q2	exr	Derivative Instruments With Contingent Features Contingent Cash Settlement Value DerivativeInstrumentsWithContingentFeaturesContingentCashSettlementValue	71694000	USD
CY2021Q2	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	0	USD
CY2020Q2	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	4492000	USD
	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	0	USD
	us-gaap	Interest Expense Debt Excluding Amortization InterestExpenseDebtExcludingAmortization	8984000	USD
CY2021Q2	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2020Q2	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	1233000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	2442000	USD
CY2021Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	0	USD
CY2020Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	5725000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	0	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	11426000	USD
CY2019Q2	exr	Number Of Sales Agents NumberOfSalesAgents	9	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	206573000	USD
CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	400000000	USD
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2021Q2	us-gaap	Due From Related Parties Noncurrent DueFromRelatedPartiesNoncurrent	100000000	USD
CY2020Q4	us-gaap	Due From Related Parties Noncurrent DueFromRelatedPartiesNoncurrent	100000000	USD
CY2021Q2	us-gaap	Preferred Units Preferred Partners Capital Accounts PreferredUnitsPreferredPartnersCapitalAccounts	172902000	USD
CY2020Q4	us-gaap	Preferred Units Preferred Partners Capital Accounts PreferredUnitsPreferredPartnersCapitalAccounts	172052000	USD
CY2014Q4	us-gaap	Origination Of Notes Receivable From Related Parties OriginationOfNotesReceivableFromRelatedParties	20230000	USD
CY2014Q4	exr	Notes Receivable Stated Interest Rate NotesReceivableStatedInterestRate	0.050
CY2014Q4	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
CY2021Q2	exr	Common Stock Average Closing Market Price CommonStockAverageClosingMarketPrice	163.63
CY2021Q2	us-gaap	Preferred Units Outstanding PreferredUnitsOutstanding	5734356	shares
CY2021Q2	exr	Operating Partnership Units Redemption Amount OperatingPartnershipUnitsRedemptionAmount	938313000	USD
	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Common Stock NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock	63429	shares
	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Common Stock NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCommonStock	108862	shares
CY2021Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Cash NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash	3000	shares
CY2020Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Cash NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash	0	shares
CY2021Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed Cash Paid NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid	472000	USD
CY2020Q2	exr	Noncontrolling Interest Operating Partnership Units Redeemed Cash Paid NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid	0	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	14796000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12856000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	30441000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	24992000	USD
CY2021Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	26341000	USD
CY2020Q2	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	25337000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	49881000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	48348000	USD
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	59570000	USD
CY2020Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	56018000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	118169000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	111293000	USD
CY2021Q2	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	0	USD
CY2020Q2	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 And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	63883000	USD
	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	0	USD
CY2021Q2	us-gaap	Interest Expense InterestExpense	40240000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	41039000	USD
	us-gaap	Interest Expense InterestExpense	80935000	USD
	us-gaap	Interest Expense InterestExpense	85397000	USD
CY2021Q2	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
CY2020Q2	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	1233000	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	USD
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	2442000	USD
CY2021Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	12838000	USD
CY2020Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	1669000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	25142000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	3343000	USD
CY2021Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	8322000	USD
CY2020Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5044000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15278000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10087000	USD
CY2021Q2	exr	Income Loss From Unconsolidated Real Estate Joint Ventures IncomeLossFromUnconsolidatedRealEstateJointVentures	6251000	USD
CY2020Q2	exr	Income Loss From Unconsolidated Real Estate Joint Ventures IncomeLossFromUnconsolidatedRealEstateJointVentures	0	USD
	exr	Income Loss From Unconsolidated Real Estate Joint Ventures IncomeLossFromUnconsolidatedRealEstateJointVentures	6251000	USD
	exr	Income Loss From Unconsolidated Real Estate Joint Ventures IncomeLossFromUnconsolidatedRealEstateJointVentures	0	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5421000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3177000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9558000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5356000	USD
CY2021Q2	us-gaap	Profit Loss ProfitLoss	178579000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	111257000	USD
	us-gaap	Profit Loss ProfitLoss	394080000	USD
	us-gaap	Profit Loss ProfitLoss	227419000	USD

Files In Submission

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$EXR
Extra Space Storage Inc. Stock $exr

2021 Q2 Form 10-Q Financial Statement

#000162828021015923 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXR Extra Space Storage Inc. Stock $exr

2021 Q2 Form 10-Q Financial Statement

#000162828021015923 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXR
Extra Space Storage Inc. Stock $exr