XML 151 R105.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Schedule III - Schedule of Real Estate and Accumulated Depreciation - Accumulated Depreciation (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] |  |  |
Accumulated Depreciation of Real Estate Assets, As Reported on Schedule III | $ 1,305,461 | $ 1,187,390 | $ 1,160,490
Add (Deduct) Reconciling Items: |  |  |
Accumulated Depreciation - non-real estate assets | 1,454,161 |  |
Accumulated Depreciation - racking in leased facilities | 1,129,751 |  |
Accumulated Depreciation - financing leases | 150,952 |  |
Accumulated Depreciation - other | 18,795 |  |
Total Reconciling Items | 2,753,659 |  |
Accumulated Depreciation, As Reported on Consolidated Balance Sheet | $ 4,059,120 |  |

X
- Definition Accumulated Depreciation, Finance Leases + References No definition available. + Details
Name: | irm_AccumulatedDepreciationFinanceLeases
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Depreciation, Non-Real Estate Assets + References No definition available. + Details
Name: | irm_AccumulatedDepreciationNonRealEstateAssets
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Depreciation, Other Real Estate + References No definition available. + Details
Name: | irm_AccumulatedDepreciationOtherRealEstate
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Depreciation, Racking In Lease Facilities + References No definition available. + Details
Name: | irm_AccumulatedDepreciationRackingInLeaseFacilities
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Depreciation, Reconciling Items + References No definition available. + Details
Name: | irm_AccumulatedDepreciationReconcilingItems
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Accumulated Depreciation, Reconciling Items + References No definition available. + Details
Name: | irm_AccumulatedDepreciationReconcilingItemsAbstract
Namespace Prefix: | irm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of accumulated depreciation pertaining to real estate investments 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(Column F)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479438/970-360-S99-1 + Details
Name: | us-gaap_RealEstateAccumulatedDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant