XML 64 R53.htm IDEA: XBRL DOCUMENT
v3.20.2

Debt - Schedule of Long Term Debt (Details) € in Thousands, $ in Thousands, $ in Thousands | Sep. 30, 2020 USD ($) | Sep. 30, 2020 CAD ($) | Sep. 30, 2020 EUR (€) | Dec. 31, 2019 USD ($)
--- | --- | --- | --- | ---
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | $ 9,108,935 |  |  | $ 8,751,544
Long-term debt, gross, current maturities | (392,586) |  |  | (389,013)
Long term debt, gross, net of current portion | 8,716,349 |  |  | 8,362,531
Unamortized Deferred Financing Costs | (97,493) |  |  | (86,965)
Unamortized debt issuance expense, net of current portion | 0 |  |  | 0
Unamortized debt issuance expense, net | (97,493) |  |  | (86,965)
Carrying Amount | 9,011,442 |  |  | 8,664,579
Carrying amount, current maturities | (392,586) |  |  | (389,013)
Carrying amount, excluding current maturities | 8,618,856 |  |  | 8,275,566
Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Remaining capacity | 1,574,195 |  |  |
Australian Dollar Term Loan (the AUD Term Loan) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 226,690 |  |  | 226,924
Unamortized Deferred Financing Costs | (1,731) |  |  | (2,313)
Carrying Amount | 224,959 |  |  | 224,611
Fair Value | 227,602 |  |  | 228,156
Real Estate Mortgages, Financing Lease Liabilities and Other |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 468,906 |  |  | 523,671
Unamortized Deferred Financing Costs | (215) |  |  | (406)
Carrying Amount | 468,691 |  |  | 523,265
Fair Value | 468,906 |  |  | 523,671
Accounts Receivable Securitization Program |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 270,600 |  |  | 272,062
Unamortized Deferred Financing Costs | (168) |  |  | (81)
Carrying Amount | 270,432 |  |  | 271,981
Fair Value | 270,600 |  |  | 272,062
Mortgage Securitization Program |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 50,000 |  |  | 50,000
Unamortized Deferred Financing Costs | (873) |  |  | (982)
Carrying Amount | 49,127 |  |  | 49,018
Fair Value | $ 50,000 |  |  | 50,000
New Credit Agreement |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Weighted average interest rate | 2.30% | 2.30% | 2.30% |
New Credit Agreement | Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | $ 172,603 |  |  | 348,808
Unamortized Deferred Financing Costs | (9,482) |  |  | (12,053)
Carrying Amount | 163,121 |  |  | 336,755
Fair Value | $ 172,603 |  |  | 348,808
Weighted average interest rate | 2.90% | 2.90% | 2.90% |
New Credit Agreement | Revolving Credit Facility | US Dollars |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | $ 128,000 |  |  |
New Credit Agreement | Revolving Credit Facility | Canadian dollars |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) |  | $ 3,200 |  |
New Credit Agreement | Revolving Credit Facility | Euro |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | € |  |  | € 36,000 |
Term Loan A | Term Loan Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 218,750 |  |  | 228,125
Unamortized Deferred Financing Costs | 0 |  |  | 0
Carrying Amount | 218,750 |  |  | 228,125
Fair Value | 218,750 |  |  | 228,125
Term Loan B | Term Loan Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 681,315 |  |  | 686,395
Unamortized Deferred Financing Costs | (6,557) |  |  | (7,493)
Carrying Amount | 674,758 |  |  | 678,902
Fair Value | 682,500 |  |  | 686,890
UK Bilateral Revolving Credit Facility | Revolving Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 180,204 |  |  | 184,601
Unamortized Deferred Financing Costs | (1,393) |  |  | (1,801)
Carrying Amount | 178,811 |  |  | 182,800
Fair Value | 180,204 |  |  | 184,601
Senior Notes 4.375 Percent due 2021 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 0 |  |  | 500,000
Unamortized Deferred Financing Costs | 0 |  |  | (2,436)
Carrying Amount | $ 0 |  |  | 497,564
Stated interest rate (as a percent) | 4.375% | 4.375% | 4.375% |
Fair Value | $ 0 |  |  | 503,450
Senior Notes 6% percent due 2023 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 0 |  |  | 600,000
Unamortized Deferred Financing Costs | 0 |  |  | (4,027)
Carrying Amount | $ 0 |  |  | 595,973
Stated interest rate (as a percent) | 6.00% | 6.00% | 6.00% |
Fair Value | $ 0 |  |  | 613,500
CAD Senior Notes 5.375 Percent due 2023 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 0 |  |  | 192,058
Unamortized Deferred Financing Costs | 0 |  |  | (2,071)
Carrying Amount | $ 0 |  |  | 189,987
Stated interest rate (as a percent) | 5.375% | 5.375% | 5.375% |
Fair Value | $ 0 |  |  | 199,380
Senior Subordinated Notes 5 3/4% percent due 2024 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 0 |  |  | 1,000,000
Unamortized Deferred Financing Costs | 0 |  |  | (6,409)
Carrying Amount | $ 0 |  |  | 993,591
Stated interest rate (as a percent) | 5.75% | 5.75% | 5.75% |
Fair Value | $ 0 |  |  | 1,010,625
Euro Senior Notes 3 Percent due 2025 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 0 |  |  | 336,468
Unamortized Deferred Financing Costs | 0 |  |  | (3,462)
Carrying Amount | $ 0 |  |  | 333,006
Stated interest rate (as a percent) | 3.00% | 3.00% | 3.00% |
Fair Value | $ 0 |  |  | 345,660
GBP Senior Notes due 2025 3.875 Percent | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 514,867 |  |  | 527,432
Unamortized Deferred Financing Costs | (4,942) |  |  | (5,809)
Carrying Amount | $ 509,925 |  |  | 521,623
Stated interest rate (as a percent) | 3.875% | 3.875% | 3.875% |
Fair Value | $ 519,027 |  |  | 539,892
Senior Notes 5.375 Percent due 2026 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 0 |  |  | 250,000
Unamortized Deferred Financing Costs | 0 |  |  | (2,756)
Carrying Amount | $ 0 |  |  | 247,244
Stated interest rate (as a percent) | 5.375% | 5.375% | 5.375% |
Fair Value | $ 0 |  |  | 261,641
Senior Notes 4.875 Percent due 2027 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 1,000,000 |  |  | 1,000,000
Unamortized Deferred Financing Costs | (9,954) |  |  | (11,020)
Carrying Amount | $ 990,046 |  |  | 988,980
Stated interest rate (as a percent) | 4.875% | 4.875% | 4.875% |
Fair Value | $ 1,012,500 |  |  | 1,029,475
Senior Notes 5.25 Percent due 2028 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 825,000 |  |  | 825,000
Unamortized Deferred Financing Costs | (8,857) |  |  | (9,742)
Carrying Amount | $ 816,143 |  |  | 815,258
Stated interest rate (as a percent) | 5.25% | 5.25% | 5.25% |
Fair Value | $ 851,813 |  |  | 859,598
Senior Notes 5 Percent due 2028 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 500,000 |  |  | 0
Unamortized Deferred Financing Costs | (5,667) |  |  | 0
Carrying Amount | $ 494,333 |  |  | 0
Stated interest rate (as a percent) | 5.00% | 5.00% | 5.00% |
Fair Value | $ 507,500 |  |  | 0
Senior Notes 4.875 Percent due 2029 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 1,000,000 |  |  | 1,000,000
Unamortized Deferred Financing Costs | (13,019) |  |  | (14,104)
Carrying Amount | $ 986,981 |  |  | 985,896
Stated interest rate (as a percent) | 4.875% | 4.875% | 4.875% |
Fair Value | $ 1,012,500 |  |  | 1,015,640
Senior Notes 5.25 Percent due 2030 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 1,300,000 |  |  | 0
Unamortized Deferred Financing Costs | (14,792) |  |  | 0
Carrying Amount | $ 1,285,208 |  |  | 0
Stated interest rate (as a percent) | 5.25% | 5.25% | 5.25% |
Fair Value | $ 1,352,000 |  |  | 0
Senior Notes 4.5 Percent Due 2031 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 1,100,000 |  |  | 0
Unamortized Deferred Financing Costs | (12,970) |  |  | 0
Carrying Amount | $ 1,087,030 |  |  | 0
Stated interest rate (as a percent) | 4.50% | 4.50% | 4.50% |
Fair Value | $ 1,102,750 |  |  | 0
Senior Notes 5.625 Percent due 2032 | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt (inclusive of discount) | 600,000 |  |  | 0
Unamortized Deferred Financing Costs | (6,873) |  |  | 0
Carrying Amount | $ 593,127 |  |  | 0
Stated interest rate (as a percent) | 5.625% | 5.625% | 5.625% |
Fair Value | $ 630,000 |  |  | $ 0

X
- Definition Debt Instrument, Face Amount Less Current Maturities + References No definition available. + Details
Name: | irm_LongTermDebtGrossNetofCurrentPortion
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Long-term Debt, Gross, Current Maturities + References No definition available. + Details
Name: | irm_LongtermDebtGrossCurrentMaturities
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Unamortized Debt Issuance Expense, Net + References No definition available. + Details
Name: | irm_UnamortizedDebtIssuanceExpenseNet
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unamortized debt issuance expense, net of current portion + References No definition available. + Details
Name: | irm_Unamortizeddebtissuanceexpensenetofcurrentportion
Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Weighted average interest rate of long-term debt outstanding calculated at point in time. + References No definition available. + Details
Name: | us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=irm_AustralianDollarTermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=irm_RealEstateMortgagesCapitalLeasesAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=irm_AccountsReceivablesSecuritizationProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=irm_MortgageSecuritizationProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_NewCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_USD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_CAD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_TermLoanAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=irm_TermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_TermLoanBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_UKBilateralRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes4.375Percentdue2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes6Percentdue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_CADSeniorNotes5.375Percentdue2023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorSubordinatedNotes5.75PercentDue2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_EuroSeniorNotes3Percentdue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_GBPSeniorNotes3.875Percentdue2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes5.375Percentdue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes4.875Percentdue2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes5.25Percentdue2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes5PercentDue2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes4.875PercentDue2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes5.25PercentDue2030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes45PercentDue2031Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=irm_SeniorNotes5.625PercentDue2032Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |