XML 85 R42.htm IDEA: XBRL DOCUMENT
v3.19.3

Summary of Significant Accounting Policies - Supplemental Balance Sheet (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Accounting Policies [Abstract] |  |  |
Operating lease right-of-use assets | $ 1,765,496 | $ 1,825,721 | $ 0
Financing lease right-of-use assets, net of accumulated depreciation | 327,264 | 361,078 |
Total | 2,092,760 | 2,186,799 |
Current |  |  |
Operating lease liabilities | 216,176 | 209,911 |
Financing lease liabilities | 47,112 | 50,437 |
Total current lease liabilities | 263,288 | 260,348 |
Long-term |  |  |
Operating lease liabilities | 1,626,907 | 1,685,771 | $ 0
Financing lease liabilities | 318,986 | 350,263 |
Total long-term lease liabilities | 1,945,893 | 2,036,034 |
Total | $ 2,209,181 | $ 2,296,382 |
Operating lease, right-of-use asset, real estate assets, percent | 98.00% |  |
Operating lease, right-of-use asset, non-real estate assets, percent | 2.00% |  |
Finance lease, right-of-use asset, real estate assets, percent | 64.00% |  |
Finance lease, right-of-use asset, non-real estate assets, percent | 36.00% |  |

X
- Definition Finance Lease, Right-Of-Use Asset, Non-Real Estate Assets, Percent + References No definition available. + Details
Name: | irm_FinanceLeaseRightOfUseAssetNonRealEstateAssetsPercent
Namespace Prefix: | irm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Finance Lease, Right-Of-Use Asset, Real Estate Assets, Percent + References No definition available. + Details
Name: | irm_FinanceLeaseRightOfUseAssetRealEstateAssetsPercent
Namespace Prefix: | irm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Lease, Liability + References No definition available. + Details
Name: | irm_LeaseLiability
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lease, Liability, Current + References No definition available. + Details
Name: | irm_LeaseLiabilityCurrent
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lease, Liability, Noncurrent + References No definition available. + Details
Name: | irm_LeaseLiabilityNoncurrent
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Lease, Right-of-Use Asset + References No definition available. + Details
Name: | irm_LeaseRightofUseAsset
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Lessee, Operating And Finance Lease, Current [Abstract] + References No definition available. + Details
Name: | irm_LesseeOperatingAndFinanceLeaseCurrentAbstract
Namespace Prefix: | irm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Lessee, Operating And Finance Lease, Non-Current [Abstract] + References No definition available. + Details
Name: | irm_LesseeOperatingAndFinanceLeaseNonCurrentAbstract
Namespace Prefix: | irm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating Lease, Right-Of-Use Asset, Non-Real Estate Assets, Percent + References No definition available. + Details
Name: | irm_OperatingLeaseRightOfUseAssetNonRealEstateAssetsPercent
Namespace Prefix: | irm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Operating Lease, Right-Of-Use Asset, Real Estate Assets, Percent + References No definition available. + Details
Name: | irm_OperatingLeaseRightOfUseAssetRealEstateAssetsPercent
Namespace Prefix: | irm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_FinanceLeaseLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_FinanceLeaseLiabilityNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_FinanceLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseLiabilityNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant