$EXR
Extra Space Storage Inc. Stock $exr

$exr Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-Q Financial Statement

#000162828023038325 Filed on November 09, 2023

Income Statement

Concept	2023 Q4	2023 Q3
Revenue	$797.8M	$748.0M
YoY Change	57.44%	49.94%
Cost Of Revenue	$216.2M	$185.2M
YoY Change	78.42%	61.63%
Gross Profit	$581.6M	$562.8M
YoY Change	50.85%	46.45%
Gross Profit Margin	72.9%	75.24%
Selling, General & Admin	$39.40M	$37.40M
YoY Change	9.55%	15.88%
% of Gross Profit	6.77%	6.64%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$196.1M	$152.3M
YoY Change	145.42%	113.29%
% of Gross Profit	33.73%	27.07%
Operating Expenses	$235.5M	$189.7M
YoY Change	103.25%	82.94%
Operating Profit	$346.0M	$299.8M
YoY Change	28.32%	11.09%
Interest Expense	-$101.7M	$122.9M
YoY Change	127.7%	118.51%
% of Operating Profit	-29.4%	40.99%
Other Income/Expense, Net
YoY Change
Pretax Income	$231.7M	$190.8M
YoY Change	3.04%	-17.68%
Income Tax	$4.321M	$6.944M
% Of Pretax Income	1.86%	3.64%
Net Earnings	$215.8M	$188.4M
YoY Change	5.82%	-14.67%
Net Earnings / Revenue	27.05%	25.18%
Basic Earnings Per Share		$0.96
Diluted Earnings Per Share	$1.02	$0.96
COMMON SHARES
Basic Shares Outstanding	211.3M shares	211.3M shares
Diluted Shares Outstanding		195.3M shares

Balance Sheet

Concept	2023 Q4	2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$99.06M	$216.0M
YoY Change	6.67%	148.3%
Cash & Equivalents	$99.06M	$216.1M
Short-Term Investments
Other Short-Term Assets	$85.15M	$94.00M
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$318.9M	$442.0M
YoY Change	243.42%	408.1%
LONG-TERM ASSETS
Property, Plant & Equipment	$48.70M	$45.63M
YoY Change	13.76%	6.82%
Goodwill	$170.8M	$170.8M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$1.372B	$1.378B
YoY Change	44.6%	48.29%
Other Assets	$6.021M	$7.000M
YoY Change	23.71%	-4.93%
Total Long-Term Assets	$27.14B	$27.18B
YoY Change	124.75%	131.28%
TOTAL ASSETS
Total Short-Term Assets	$318.9M	$442.0M
Total Long-Term Assets	$27.14B	$27.18B
Total Assets	$27.46B	$27.63B
YoY Change	125.65%	133.31%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$334.5M	$430.0M
YoY Change	94.85%	124.92%
Accrued Expenses	$236.5M	$242.0M
YoY Change	3.27%	3.49%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$571.0M	$672.0M
YoY Change	42.5%	58.11%
LONG-TERM LIABILITIES
Long-Term Debt	$11.02B	$10.95B
YoY Change	50.27%	56.6%
Other Long-Term Liabilities	$454.5M	$434.0M
YoY Change	27.32%	23.02%
Total Long-Term Liabilities	$11.47B	$11.39B
YoY Change	49.2%	54.99%
TOTAL LIABILITIES
Total Short-Term Liabilities	$571.0M	$672.0M
Total Long-Term Liabilities	$11.47B	$11.39B
Total Liabilities	$12.04B	$12.06B
YoY Change	48.87%	55.17%
SHAREHOLDERS EQUITY
Retained Earnings	-$379.0M	-$252.9M
YoY Change	178.95%	81.6%
Common Stock	$14.75B	$14.75B
YoY Change	340.81%	341.3%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$14.39B	$14.54B
YoY Change
Total Liabilities & Shareholders Equity	$27.46B	$27.63B
YoY Change	125.65%	133.31%

Cashflow Statement

Concept	2023 Q4	2023 Q3
OPERATING ACTIVITIES
Net Income	$215.8M	$188.4M
YoY Change	5.82%	-14.67%
Depreciation, Depletion And Amortization	$196.1M	$152.3M
YoY Change	145.42%	113.29%
Cash From Operating Activities	$364.5M	$408.5M
YoY Change	25.64%	32.79%
INVESTING ACTIVITIES
Capital Expenditures	$163.5M	$102.8M
YoY Change	-18.42%	-114.71%
Acquisitions
YoY Change
Other Investing Activities	-$18.70M	-$1.176B
YoY Change	-90.91%	-4513.62%
Cash From Investing Activities	-$182.2M	-$1.279B
YoY Change	-55.14%	90.19%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-300.3M	1.040B
YoY Change	-351.41%	167.58%
NET CHANGE
Cash From Operating Activities	364.5M	408.5M
Cash From Investing Activities	-182.2M	-1.279B
Cash From Financing Activities	-300.3M	1.040B
Net Change In Cash	-118.0M	170.3M
YoY Change	-3591.22%	604.07%
FREE CASH FLOW
Cash From Operating Activities	$364.5M	$408.5M
Capital Expenditures	$163.5M	$102.8M
Free Cash Flow	$201.0M	$305.7M
YoY Change	124.1%	-69.63%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	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	6592606	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	133921020	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	133921020	shares
CY2023Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
	us-gaap	Profit Loss ProfitLoss	701677000	usd
CY2023Q3	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	2253000	usd
CY2022Q3	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	4454000	usd
	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	6761000	usd
CY2022Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2023Q3	exr	Asset Acquisition Acquisition Related Costs AssetAcquisitionAcquisitionRelatedCosts	54174000	usd
CY2022Q3	exr	Asset Acquisition Acquisition Related Costs AssetAcquisitionAcquisitionRelatedCosts	0	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	37406000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	208396000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	925797000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	650869000	usd
CY2022Q3	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	0	usd
	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	14249000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6944000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6760000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17238000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15516000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	198856000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	236126000	usd
	us-gaap	Profit Loss ProfitLoss	623046000	usd
	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Redeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersRedeemable	13278000	usd
CY2023Q3	exr	Minority Interest In Net Income Loss Operating Partnerships And Other MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther	8253000	usd
CY2022Q3	exr	Minority Interest In Net Income Loss Operating Partnerships And Other MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther	10953000	usd
	exr	Minority Interest In Net Income Loss Operating Partnerships And Other MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther	29221000	usd
	exr	Minority Interest In Net Income Loss Operating Partnerships And Other MinorityInterestInNetIncomeLossOperatingPartnershipsAndOther	31971000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	188350000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	220719000	usd
	us-gaap	Net Income Loss NetIncomeLoss	587064000	usd
	us-gaap	Net Income Loss NetIncomeLoss	656428000	usd
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.96
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.78
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.89
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.78
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.89
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	195324444	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133913652	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155112071	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134094490	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	195328020	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	141504215	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155116149	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	141567845	shares
CY2023Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.62
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.50
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	4.86
	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	4.50
CY2023Q3	us-gaap	Profit Loss ProfitLoss	198856000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	236126000	usd
	us-gaap	Profit Loss ProfitLoss	623046000	usd
	us-gaap	Profit Loss ProfitLoss	701677000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-2264000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	24222000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4175000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	95984000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	196592000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	260348000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	618871000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	797661000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	10395000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	16663000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	35693000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	50166000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	186197000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	243685000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	583178000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	747495000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4035407000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	6994000	usd
CY2023Q3	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	63000	usd
CY2023Q3	exr	Noncontrolling Interest Operating Partnership Units Issued With Asset Acquisition Value NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAssetAcquisitionValue	11602808000	usd
CY2023Q3	exr	Noncontrolling Interest Increase From Transactions With Other Noncontrolling Interests Net NoncontrollingInterestIncreaseFromTransactionsWithOtherNoncontrollingInterestsNet	5209000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	198856000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-2264000	usd
CY2023Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	14960000	usd
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.62
CY2023Q3	us-gaap	Dividends Common Stock DividendsCommonStock	265286000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	15566701000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4078274000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	19433000	usd
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	7606000	usd
	exr	Noncontrolling Interest Operating Partnership Units Issued With Asset Acquisition Value NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAssetAcquisitionValue	11602808000	usd
	exr	Noncontrolling Interest Increase From Transactions With Other Noncontrolling Interests Net NoncontrollingInterestIncreaseFromTransactionsWithOtherNoncontrollingInterestsNet	7309000	usd
	us-gaap	Profit Loss ProfitLoss	623046000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4175000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	43003000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.86
	us-gaap	Dividends Common Stock DividendsCommonStock	704069000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3893240000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	5644000	usd
CY2022Q3	exr	Noncontrolling Interest Increase From Asset Acquisition NoncontrollingInterestIncreaseFromAssetAcquisition	125000000	usd
CY2022Q3	exr	Noncontrolling Interest Increase From Transactions With Other Noncontrolling Interests Net NoncontrollingInterestIncreaseFromTransactionsWithOtherNoncontrollingInterestsNet	338000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	236126000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	24222000	usd
CY2022Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	14394000	usd
CY2022Q3	us-gaap	Dividends Common Stock DividendsCommonStock	200878000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4069298000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3785976000	usd
	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	15433000	usd
	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	16000000	usd
	exr	Noncontrolling Interest Increase From Asset Acquisition NoncontrollingInterestIncreaseFromAssetAcquisition	125000000	usd
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	40963000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	63008000	usd
	exr	Noncontrolling Interest Increase From Transactions With Other Noncontrolling Interests Net NoncontrollingInterestIncreaseFromTransactionsWithOtherNoncontrollingInterestsNet	338000	usd
	us-gaap	Profit Loss ProfitLoss	701677000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	95984000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	42632000	usd
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.50
	us-gaap	Dividends Common Stock DividendsCommonStock	604429000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4069298000	usd
	us-gaap	Profit Loss ProfitLoss	623046000	usd
	us-gaap	Profit Loss ProfitLoss	701677000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	309914000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	208396000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	9716000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6352000	usd
	exr	Amortization Of Debt Discount Premium Equity Component Of Senior Notes AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes	8228000	usd
	exr	Amortization Of Debt Discount Premium Equity Component Of Senior Notes AmortizationOfDebtDiscountPremiumEquityComponentOfSeniorNotes	0	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1448000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1441000	usd
	exr	Gains Losses On Real Estate Transactions Net Of Impairment Of Real Estate GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate	0	usd
	exr	Gains Losses On Real Estate Transactions Net Of Impairment Of Real Estate GainsLossesOnRealEstateTransactionsNetOfImpairmentOfRealEstate	14249000	usd
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-11484000	usd
	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-9380000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	33123000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4207000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	134310000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	48898000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	5068000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-16370000	usd
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	3416000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1037959000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	948021000	usd
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	197333000	usd
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	1124777000	usd
	exr	Payments For Asset Acquisition Net Of Cash Acquired PaymentsForAssetAcquisitionNetOfCashAcquired	1182411000	usd
	exr	Payments For Asset Acquisition Net Of Cash Acquired PaymentsForAssetAcquisitionNetOfCashAcquired	0	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	157301000	usd
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	66533000	usd
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	31652000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	2132000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	39367000	usd
	exr	Payments For Investment In Unconsolidated Real Estate Entities PaymentsForInvestmentInUnconsolidatedRealEstateEntities	179258000	usd
	exr	Payments For Investment In Unconsolidated Real Estate Entities PaymentsForInvestmentInUnconsolidatedRealEstateEntities	102670000	usd
	exr	Return Of Investment Real Estate Ventures ReturnOfInvestmentRealEstateVentures	0	usd
	exr	Return Of Investment Real Estate Ventures ReturnOfInvestmentRealEstateVentures	342000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	210712000	usd
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	314542000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	73514000	usd
	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	264774000	usd
	us-gaap	Proceeds From Sale Of Notes Receivable ProceedsFromSaleOfNotesReceivable	134064000	usd
	us-gaap	Proceeds From Sale Of Notes Receivable ProceedsFromSaleOfNotesReceivable	203695000	usd
	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	9515000	usd
	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	19490000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1636052000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1242254000	usd
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	5194665000	usd
	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	3983865000	usd
	us-gaap	Repayments Of Debt RepaymentsOfDebt	4617755000	usd
	us-gaap	Repayments Of Debt RepaymentsOfDebt	3341881000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	950000000	usd
	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	396100000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	51359000	usd
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	7618000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	63008000	usd
	exr	Cash Portion Of Redemption Of Preferred Operating Partnership Units CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits	0	usd
	exr	Cash Portion Of Redemption Of Preferred Operating Partnership Units CashPortionOfRedemptionOfPreferredOperatingPartnershipUnits	3504000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	704069000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	604429000	usd
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	43003000	usd
	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	42632000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	723479000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	312393000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	125386000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	18160000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	97735000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	76194000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	92868000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	71126000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	4867000	usd
CY2023Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	216121000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	86991000	usd
CY2023Q3	us-gaap	Restricted Cash RestrictedCash	7000000	usd
CY2022Q3	us-gaap	Restricted Cash RestrictedCash	7363000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	223121000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	94354000	usd
	us-gaap	Interest Paid Net InterestPaidNet	207569000	usd
	us-gaap	Interest Paid Net InterestPaidNet	137683000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	20222000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	14489000	usd
	exr	Noncontrolling Interest Increase From Redemptions Of Operating Partnership Units NoncontrollingInterestIncreaseFromRedemptionsOfOperatingPartnershipUnits	116336000	usd
	exr	Noncontrolling Interest Increase From Redemptions Of Operating Partnership Units NoncontrollingInterestIncreaseFromRedemptionsOfOperatingPartnershipUnits	0	usd
	exr	Redemption Of Operating Partnership Units Held By Noncontrolling Interest Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital	-11336000	usd
	exr	Redemption Of Operating Partnership Units Held By Noncontrolling Interest Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsHeldByNoncontrollingInterestIncludingAdditionalPaidInCapital	0	usd
	exr	Noncontrolling Interests In Operating Partnership Note Receivable Payoff NoncontrollingInterestsInOperatingPartnershipNoteReceivablePayoff	-100000000	usd
	exr	Noncontrolling Interests In Operating Partnership Note Receivable Payoff NoncontrollingInterestsInOperatingPartnershipNoteReceivablePayoff	0	usd
	exr	Operating Partnership Unit Redemption Cash Proceeds OperatingPartnershipUnitRedemptionCashProceeds	5000000	usd
	exr	Operating Partnership Unit Redemption Cash Proceeds OperatingPartnershipUnitRedemptionCashProceeds	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	265000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1689000	usd
	exr	Establishment Of Operating Lease Liability EstablishmentOfOperatingLeaseLiability	265000	usd
	exr	Establishment Of Operating Lease Liability EstablishmentOfOperatingLeaseLiability	1689000	usd
	exr	Noncash Or Part Noncash Acquisition Net Real Estate Assets Acquired NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired	0	usd
	exr	Noncash Or Part Noncash Acquisition Net Real Estate Assets Acquired NoncashOrPartNoncashAcquisitionNetRealEstateAssetsAcquired	173873000	usd
	exr	Issuance Of Equity For Acquisition Of Real Estate Assets IssuanceOfEquityForAcquisitionOfRealEstateAssets	0	usd
	exr	Issuance Of Equity For Acquisition Of Real Estate Assets IssuanceOfEquityForAcquisitionOfRealEstateAssets	165965000	usd
	exr	Investments In Real Estate Joint Ventures Net Of Distributions Received InvestmentsInRealEstateJointVenturesNetOfDistributionsReceived	0	usd
	exr	Investments In Real Estate Joint Ventures Net Of Distributions Received InvestmentsInRealEstateJointVenturesNetOfDistributionsReceived	1085000	usd
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	usd
	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	6823000	usd
	exr	Asset Acquisition Real Estate Assets Net AssetAcquisitionRealEstateAssetsNet	13575501000	usd
	exr	Asset Acquisition Real Estate Assets Net AssetAcquisitionRealEstateAssetsNet	0	usd
	exr	Asset Acquisition Accounts Payable Accrued Expenses And Other Liabilities AssetAcquisitionAccountsPayableAccruedExpensesAndOtherLiabilities	191077000	usd
	exr	Asset Acquisition Accounts Payable Accrued Expenses And Other Liabilities AssetAcquisitionAccountsPayableAccruedExpensesAndOtherLiabilities	0	usd
	exr	Asset Acquisition Equity Interests In Joint Venture Partnerships AssetAcquisitionEquityInterestsInJointVenturePartnerships	325250000	usd
	exr	Asset Acquisition Equity Interests In Joint Venture Partnerships AssetAcquisitionEquityInterestsInJointVenturePartnerships	0	usd
	exr	Real Estate Additions Portion Not Yet Paid RealEstateAdditionsPortionNotYetPaid	6835000	usd
	exr	Real Estate Additions Portion Not Yet Paid RealEstateAdditionsPortionNotYetPaid	368000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	6835000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	368000	usd
	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	33403000	usd
	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	0	usd
	exr	Redemption Of Operating Partnership Units For Common Stock Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital	-33403000	usd
	exr	Redemption Of Operating Partnership Units For Common Stock Including Additional Paid In Capital RedemptionOfOperatingPartnershipUnitsForCommonStockIncludingAdditionalPaidInCapital	0	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 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, which meets the definition of a variable interest entity and is consolidated. 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 September 30, 2023, the Company had direct and indirect equity interests in 2,369 stores. In addition, the Company managed 1,282 stores for third parties, bringing the total number of stores which it owns and/or manages to 3,651. These stores are located in 42 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>
CY2023Q3	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	2369	store
CY2023Q3	exr	Number Of Real Estate Properties Franchisees And Others NumberOfRealEstatePropertiesFranchiseesAndOthers	1282	store
CY2023Q3	exr	Number Of Real Estate Properties Owned And Or Managed NumberOfRealEstatePropertiesOwnedAndOrManaged	3651	store
CY2023Q3	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	42	state
CY2023Q3	exr	Number Of Operating Stores Held For Sale NumberOfOperatingStoresHeldForSale	0	store
CY2023Q3	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	3	store
CY2023Q3	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	18578000	usd
CY2023Q3	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	0	usd
CY2023Q3	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	usd
CY2023Q3	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-86000	usd
CY2023Q3	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	0	usd
CY2023Q3	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	18664000	usd
CY2023Q2	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	3	store
CY2023Q2	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	32888000	usd
CY2023Q2	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	0	usd
CY2023Q2	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	usd
CY2023Q2	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-26000	usd
CY2023Q2	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	0	usd
CY2023Q2	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	32914000	usd
CY2023Q1	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	1	store
CY2023Q1	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	13111000	usd
CY2023Q1	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	0	usd
CY2023Q1	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	0	usd
CY2023Q1	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-6000	usd
CY2023Q1	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	0	usd
CY2023Q1	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	13117000	usd
	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	7	store
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	64577000	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	0	usd
	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	-118000	usd
	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	0	usd
	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	64695000	usd
CY2022Q3	exr	Number Of Real Estate Properties Acquired NumberOfRealEstatePropertiesAcquired	118	store
CY2022Q3	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	639106000	usd
CY2022Q3	exr	Noncash Or Part Noncash Acquisition Finance Lease Liability NoncashOrPartNoncashAcquisitionFinanceLeaseLiability	0	usd
CY2022Q3	exr	Asset Acquisition Consideration Transferred Investment In Real Estate Joint Ventures AssetAcquisitionConsiderationTransferredInvestmentInRealEstateJointVentures	338000	usd
CY2022Q3	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	2291000	usd
CY2022Q3	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	125000000	usd
CY2022Q3	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	762153000	usd
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	147	store
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1045949000	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	1085000	usd
	us-gaap	Asset Acquisition Consideration Transferred Other Assets AssetAcquisitionConsiderationTransferredOtherAssets	1206000	usd
	exr	Real Estate Property Asset Acquisition Consideration Transferred Equity Interest Issued Or Issuable RealEstatePropertyAssetAcquisitionConsiderationTransferredEquityInterestIssuedOrIssuable	165965000	usd
	us-gaap	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	1218616000	usd
CY2022	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1930816000	usd
CY2021	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1592021000	usd
CY2023Q3	us-gaap	Land Land	4895651000	usd
CY2022Q4	us-gaap	Land Land	2356746000	usd
CY2023Q3	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	21502492000	usd
CY2022Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	9425468000	usd
CY2023Q3	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	142851000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	136259000	usd
CY2023Q3	exr	Real Estate Investment Property Intangible Tenant Relationships RealEstateInvestmentPropertyIntangibleTenantRelationships	320333000	usd
CY2022Q4	exr	Real Estate Investment Property Intangible Tenant Relationships RealEstateInvestmentPropertyIntangibleTenantRelationships	152775000	usd
CY2023Q3	exr	Real Estate Investment Property Intangible Lease Rights RealEstateInvestmentPropertyIntangibleLeaseRights	12943000	usd
CY2022Q4	exr	Real Estate Investment Property Intangible Lease Rights RealEstateInvestmentPropertyIntangibleLeaseRights	12943000	usd
CY2023Q3	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	26874270000	usd
CY2022Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	12084191000	usd
CY2023Q3	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	2440327000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	2138524000	usd
CY2023Q3	exr	Net Operating Real Estate Assets NetOperatingRealEstateAssets	24433943000	usd
CY2022Q4	exr	Net Operating Real Estate Assets NetOperatingRealEstateAssets	9945667000	usd
CY2023Q3	us-gaap	Development In Process DevelopmentInProcess	122735000	usd
CY2022Q4	us-gaap	Development In Process DevelopmentInProcess	52311000	usd
CY2023Q3	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	24556678000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	9997978000	usd
CY2023Q3	us-gaap	Goodwill Goodwill	170811000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	170811000	usd
CY2023Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	131614000	usd
CY2022Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	85937000	usd
CY2023Q3	exr	Prepaid Expense And Deposits PrepaidExpenseAndDeposits	94409000	usd
CY2022Q4	exr	Prepaid Expense And Deposits PrepaidExpenseAndDeposits	50318000	usd
CY2023Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	75749000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	0	usd
CY2023Q3	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	50000000	usd
CY2022Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	0	usd
CY2023Q3	us-gaap	Derivative Assets DerivativeAssets	48611000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	54839000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	45626000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	42808000	usd
CY2023Q3	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	11857000	usd
CY2022Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	4846000	usd
CY2023Q3	us-gaap	Restricted Cash RestrictedCash	7000000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	4867000	usd
CY2023Q3	us-gaap	Other Assets OtherAssets	635677000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	414426000	usd
CY2023Q3	exr	Average Share Price Per Share AverageSharePricePerShare	134.24
CY2022Q3	exr	Average Share Price Per Share AverageSharePricePerShare	189.11
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	10201034	shares
CY2022Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1295562	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9177170	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1270797	shares
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	188350000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	220719000	usd
	us-gaap	Net Income Loss NetIncomeLoss	587064000	usd
	us-gaap	Net Income Loss NetIncomeLoss	656428000	usd
CY2023Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	304000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	313000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	931000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	914000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	188046000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	220406000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	586133000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	655514000	usd
CY2023Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2023Q3	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	0	usd
CY2022Q3	exr	Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership NetIncomeLossAttributableToNoncontrollingInterestInOperatingPartnership	12954000	usd
	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	37932000	usd
CY2023Q3	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	0	usd
CY2022Q3	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	572000	usd
	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	0	usd
	exr	Income Loss Attributable To Noncontrolling Interest Fixed Component IncomeLossAttributableToNoncontrollingInterestFixedComponent	1716000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	188046000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	232788000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	586133000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	691730000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	195324444	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133913652	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155112071	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	134094490	shares
CY2023Q3	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	0	shares
CY2022Q3	exr	Incremental Common Shares Attributable To Conversion Of Operating Partnership Units IncrementalCommonSharesAttributableToConversionOfOperatingPartnershipUnits	6709854	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	0	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	0	shares
	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	0	shares
	us-gaap	Incremental Common Shares Attributable To Nonvested Shares With Forfeitable Dividends IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends	0	shares
CY2023Q3	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	3576	shares
CY2022Q3	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	5229	shares
	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	4078	shares
	exr	Incremental Common Shares Attributable To Share Based Payment Arrangements Stock Options IncrementalCommonSharesAttributableToShareBasedPaymentArrangementsStockOptions	5269	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	195328020	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	141504215	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155116149	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	141567845	shares
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.96
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.78
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.89
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.96
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.78
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.89
CY2023Q3	exr	Equity Method Investment Number Of Stores EquityMethodInvestmentNumberOfStores	471	property
CY2023Q3	exr	Investment In Unconsolidated Real Estate Entities Net Of Distributions InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions	1008104000	usd
CY2022Q4	exr	Investment In Unconsolidated Real Estate Entities Net Of Distributions InvestmentInUnconsolidatedRealEstateEntitiesNetOfDistributions	515060000	usd
	exr	Equity Method Investments Number Of Stores Acquired EquityMethodInvestmentsNumberOfStoresAcquired	7	store
CY2023Q3	us-gaap	Dividends Receivable DividendsReceivable	58311000	usd
CY2022Q4	us-gaap	Dividends Receivable DividendsReceivable	66170000	usd
CY2023Q3	exr	Debt Securities Held To Maturity And Financing Receivable After Allowance For Credit Loss And Interest Receivable DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable	891311000	usd
CY2022Q4	exr	Debt Securities Held To Maturity And Financing Receivable After Allowance For Credit Loss And Interest Receivable DebtSecuritiesHeldToMaturityAndFinancingReceivableAfterAllowanceForCreditLossAndInterestReceivable	858049000	usd
CY2020Q4	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	300000000	usd
CY2020Q4	exr	Debt Securities Held To Maturity Term DebtSecuritiesHeldToMaturityTerm	P6Y
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	P6Y
CY2023Q3	exr	Financing Receivable Extension Option FinancingReceivableExtensionOption	2	extension_option
	exr	Financing Receivable Extension Term FinancingReceivableExtensionTerm	P1Y
CY2023Q3	us-gaap	Shares Issued Price Per Share SharesIssuedPricePerShare	148.96
CY2023Q3	exr	Debt Instrument Fixed Rate Debt To Total Debt Rate DebtInstrumentFixedRateDebtToTotalDebtRate	0.703
CY2023Q3	us-gaap	Long Term Debt Percentage Bearing Fixed Interest Rate LongTermDebtPercentageBearingFixedInterestRate	0.036
CY2023Q3	us-gaap	Long Term Debt Percentage Bearing Variable Interest Rate LongTermDebtPercentageBearingVariableInterestRate	0.064
CY2023Q3	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.044
CY2023Q3	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	31372000	usd
CY2023Q3	us-gaap	Derivative Number Of Instruments Held DerivativeNumberOfInstrumentsHeld	17	derivative
CY2023Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	1664918000	usd
CY2023Q3	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	76217359	shares
CY2023Q3	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	11353338000	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
CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	400000000	usd
CY2022	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	63008000	usd
CY2022	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	381786	shares
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2023Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	336992000	usd
CY2022Q4	us-gaap	Other Receivables OtherReceivables	100000000	usd
CY2023Q3	us-gaap	Minority Interest In Preferred Unit Holders MinorityInterestInPreferredUnitHolders	222939000	usd
CY2022Q4	us-gaap	Minority Interest In Preferred Unit Holders MinorityInterestInPreferredUnitHolders	261502000	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
CY2023Q3	exr	Common Stock Average Closing Market Price CommonStockAverageClosingMarketPrice	123.46
CY2023Q3	us-gaap	Preferred Units Outstanding PreferredUnitsOutstanding	8887278	shares
CY2023Q3	exr	Operating Partnership Units Redemption Amount OperatingPartnershipUnitsRedemptionAmount	1097223000	usd
CY2023Q3	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Cash NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash	0	shares
CY2022Q3	exr	Noncontrolling Interest Operating Partnership Units Redeemed For Cash NoncontrollingInterestOperatingPartnershipUnitsRedeemedForCash	18028	shares
CY2023Q3	exr	Noncontrolling Interest Operating Partnership Units Redeemed Cash Paid NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid	0	usd
CY2022Q3	exr	Noncontrolling Interest Operating Partnership Units Redeemed Cash Paid NoncontrollingInterestOperatingPartnershipUnitsRedeemedCashPaid	3504000	usd
CY2023Q3	exr	Noncontrolling Interest Operating Partnership Units Issued With Acquisition NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition	1674748	shares
CY2022Q3	exr	Noncontrolling Interest Operating Partnership Units Issued With Acquisition NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition	711037	shares
CY2022Q3	exr	Noncontrolling Interest Operating Partnership Units Issued With Acquisition Value NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisitionValue	249470000	usd
CY2021Q3	exr	Noncontrolling Interest Operating Partnership Units Issued With Acquisition Value NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisitionValue	141000000	usd
CY2023Q3	exr	Noncontrolling Interest Operating Partnership Units Issued With Acquisition NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisition	1674748	shares
CY2022Q3	exr	Noncontrolling Interest Operating Partnership Units Issued With Acquisition Value NoncontrollingInterestOperatingPartnershipUnitsIssuedWithAcquisitionValue	249470000	usd
CY2023Q3	us-gaap	Shares Issued Price Per Share SharesIssuedPricePerShare	148.96
CY2023Q3	exr	Real Estate Consolidated Joint Ventures Number RealEstateConsolidatedJointVenturesNumber	9	joint_venture
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	28019000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	22246000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	71609000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	62720000	usd
CY2023Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2022Q3	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1465000	usd
CY2023Q3	exr	Asset Acquisition Acquisition Related Costs AssetAcquisitionAcquisitionRelatedCosts	54174000	usd
CY2022Q3	exr	Asset Acquisition Acquisition Related Costs AssetAcquisitionAcquisitionRelatedCosts	0	usd
	exr	Asset Acquisition Acquisition Related Costs AssetAcquisitionAcquisitionRelatedCosts	54174000	usd
	exr	Asset Acquisition Acquisition Related Costs AssetAcquisitionAcquisitionRelatedCosts	0	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	37406000	usd
CY2022Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	32275000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	107011000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	93288000	usd
CY2023Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	152338000	usd
CY2022Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	71423000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	309914000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	208396000	usd
CY2023Q3	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	0	usd
CY2022Q3	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	0	usd
	exr	Gains Losses On Real Estate Transactions And Earn Out From Prior Acquisition And Sale Of Other Assets GainsLossesOnRealEstateTransactionsAndEarnOutFromPriorAcquisitionAndSaleOfOtherAssets	14249000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	122899000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	56245000	usd
	us-gaap	Interest Expense InterestExpense	289370000	usd
	us-gaap	Interest Expense InterestExpense	146249000	usd
CY2023Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	22092000	usd
CY2022Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	18125000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	62607000	usd
	us-gaap	Investment Income Interest InvestmentIncomeInterest	52174000	usd
CY2023Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	15043000	usd
CY2022Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	11149000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	38602000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	30436000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6944000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6760000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17238000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15516000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	198856000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	236126000	usd
	us-gaap	Profit Loss ProfitLoss	623046000	usd
	us-gaap	Profit Loss ProfitLoss	701677000	usd
CY2023Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
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report.css	Edgar Link	pending
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$EXR
Extra Space Storage Inc. Stock $exr

2023 Q4 Form 10-Q Financial Statement

#000162828023038325 Filed on November 09, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXR Extra Space Storage Inc. Stock $exr

2023 Q4 Form 10-Q Financial Statement

#000162828023038325 Filed on November 09, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EXR
Extra Space Storage Inc. Stock $exr