XML 65 R54.htm IDEA: XBRL DOCUMENT
v3.25.2

INVESTMENTS IN DEBT SECURITIES AND NOTES RECEIVABLE - Additional Information (Details) $ in Thousands | 1 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2022 USD ($) extension_option shares | Nov. 30, 2020 USD ($) shares | Jun. 30, 2025 USD ($) debt_security extension_option Rate | Jun. 30, 2024 USD ($)
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |
Investment in debt securities |  | $ 300,000 |  |
Debt securities, term | 6 years |  |  |
Debt securities, extension option | extension_option | 2 |  |  |
Debt securities, extension term | 1 year |  |  |
Debt securities, period after which preferred dividends increase annually | 6 years |  |  |
Bridge loans, percent of notes held as mortgage receivables | Rate |  |  | 79.00% |
Bridge loans, extension option | extension_option |  |  | 2 |
Bridge loans, extension term |  |  | 1 year |
Issuance of notes receivable |  |  | $ 360,406 | $ 569,268
Number of debt securities past due or nonaccrual status | debt_security |  |  | 0 |
Minimum |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |
Loan to value ratio |  |  | 0.70 |
Maximum |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |
Loan to value ratio |  |  | 0.80 |
Notes Receivable-Bridge Loans |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |
Bridge loans, original maturities |  |  | 3 years |
Principal amount of notes sold |  |  | $ 32,371 |
Issuance of notes receivable |  |  | 210,829 |
Payment of draws from interest holdbacks |  |  | $ 24,480 |
JCAP Series A Preferred Stock |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |
Investment in debt securities |  | $ 200,000 |  |
Investment in debt securities (in shares) | shares |  | 200,000 |  |
Debt securities, dividend rate | 8.50% |  |  |
JCAP Series B Preferred Stock |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |
Investment in debt securities |  | $ 100,000 |  |
Investment in debt securities (in shares) | shares |  | 100,000 |  |
JCAP Series D Preferred Stock |  |  |  |
Schedule of Held-to-maturity Securities [Line Items] |  |  |  |
Shares exchanged (in shares) | shares | 300,000 |  |  |
Shares exchanged, value | $ 300,000 |  |  |

X
- Definition Debt Securities Held To Maturity, Dividend Rate + References No definition available. + Details
Name: | exr_DebtSecuritiesHeldToMaturityDividendRate
Namespace Prefix: | exr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Securities Held To Maturity, Extension Option + References No definition available. + Details
Name: | exr_DebtSecuritiesHeldToMaturityExtensionOption
Namespace Prefix: | exr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Securities Held To Maturity, Extension Term + References No definition available. + Details
Name: | exr_DebtSecuritiesHeldToMaturityExtensionTerm
Namespace Prefix: | exr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Securities, Held To Maturity, Number Of Shares + References No definition available. + Details
Name: | exr_DebtSecuritiesHeldToMaturityNumberOfShares
Namespace Prefix: | exr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Securities, Held To Maturity, Number Of Shares, Exchanged + References No definition available. + Details
Name: | exr_DebtSecuritiesHeldToMaturityNumberOfSharesExchanged
Namespace Prefix: | exr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Securities, Held To Maturity, Shares Exchanged, Value + References No definition available. + Details
Name: | exr_DebtSecuritiesHeldToMaturityNumberOfSharesExchangedValue
Namespace Prefix: | exr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Debt Securities Held To Maturity, Period After Which Preferred Dividends Increase Annually + References No definition available. + Details
Name: | exr_DebtSecuritiesHeldToMaturityPeriodAfterWhichPreferredDividendsIncreaseAnnually
Namespace Prefix: | exr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Securities Held To Maturity, Term + References No definition available. + Details
Name: | exr_DebtSecuritiesHeldToMaturityTerm
Namespace Prefix: | exr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Extension Option + References No definition available. + Details
Name: | exr_FinancingReceivableExtensionOption
Namespace Prefix: | exr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing Receivable, Extension Term + References No definition available. + Details
Name: | exr_FinancingReceivableExtensionTerm
Namespace Prefix: | exr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Loan To Value Ratio + References No definition available. + Details
Name: | exr_FinancingReceivableLoanToValueRatio
Namespace Prefix: | exr_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Percent of Mortgage Receivables + References No definition available. + Details
Name: | exr_FinancingReceivablePercentHeldAsMortgageReceivables
Namespace Prefix: | exr_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing Receivable, Term + References No definition available. + Details
Name: | exr_FinancingReceivableTerm
Namespace Prefix: | exr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Debt Securities Past Due Or Nonaccrual Status + References No definition available. + Details
Name: | exr_NumberOfDebtSecuritiesPastDueOrNonaccrualStatus
Namespace Prefix: | exr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payment For Draw On Interest Reserves + References No definition available. + Details
Name: | exr_PaymentForDrawOnInterestReserves
Namespace Prefix: | exr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in financing receivable from sale and reclassification to held-for-sale. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-11 + Details
Name: | us-gaap_FinancingReceivableSignificantSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow through purchase of long-term held-to-maturity securities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-11 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
Name: | us-gaap_PaymentsToAcquireHeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
Name: | us-gaap_PaymentsToAcquireNotesReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 + Details
Name: | us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_BridgeLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=exr_JCAPSeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=exr_JCAPSeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=exr_JCAPSeriesDPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |