XML 153 R107.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Schedule III - Schedule of Real Estate and Accumulated Depreciation - Rollforward Gross Real Estate (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Activity in Real Estate |  |
Gross amount at beginning of period | $ 4,461,195 | $ 4,129,251
Additions during period: |  |
Acquisitions | 0 | 93,370
Discretionary capital projects | 535,817 | 434,395
Foreign currency translation fluctuations | 5,046 | (28,295)
Total additions | 540,863 | 499,470
Deductions during period: |  |
Cost of real estate sold, disposed or written-down | (27,830) | (123,633)
Other adjustments | (9,862) | (43,893)
Total deductions | (37,692) | (167,526)
Gross amount at end of period | $ 4,964,366 | $ 4,461,195

X
- Definition Represents the total additions to the gross amount of real estate owned by the entity. + References No definition available. + Details
Name: | irm_RealEstateAndAccumulatedDepreciationRealEstateAdditions
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition No definition + References No definition available. + Details
Name: | irm_RealEstateAndAccumulatedDepreciationRealEstateAdditionsAbstract
Namespace Prefix: | irm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No definition + References No definition available. + Details
Name: | irm_RealEstateAndAccumulatedDepreciationRealEstateDeductionsAbstract
Namespace Prefix: | irm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Net + References No definition available. + Details
Name: | irm_SECSchedule1228RealEstateCompaniesInvestmentInRealEstateNet
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition SEC Schedule III, Real Estate, Foreign Currency Translation Adjustment + References No definition available. + Details
Name: | irm_SECScheduleIIIRealEstateForeignCurrencyTranslationAdjustment
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
Name: | us-gaap_RealEstateCostOfRealEstateSold
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
Name: | us-gaap_RealEstateGrossAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase in real estate investments related to improvements for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
Name: | us-gaap_RealEstateImprovements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase in real estate investments from acquisitions other than through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
Name: | us-gaap_RealEstateOtherAcquisitions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of other deductions to real estate investments, excluding sales, for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 970 -SubTopic 360 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
Name: | us-gaap_RealEstateOtherDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ReconciliationOfCarryingAmountOfRealEstateInvestmentsRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration