XML 84 R49.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Summary of Significant Accounting Policies - Revenue - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2018
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |  |
Revenue from sales of products, percentage |  |  |  |  | 2.00% |  |  |
Storage rental revenue |  |  |  |  | $ 2,681,087 |  |  |
Revenues | $ 1,061,489 | $ 1,060,991 | $ 1,060,823 | $ 1,042,458 |  | $ 4,225,761 | $ 3,845,578 |
Intake Costs asset |  |  |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |  |
Capitalized contract cost, amortization period |  |  |  |  | 3 years |  |  |
Commissions asset |  |  |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |  |
Capitalized contract cost, amortization period |  |  |  |  | 3 years |  |  |
Contract term |  |  |  |  | 1 year |  |  |
Storage rental |  |  |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 2,622,455 | 2,377,557 |
ASU 2014-09 |  |  |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |  |
Decrease to stockholders' equity |  |  |  |  |  |  | 30,233 | $ 30,200
Global Data Center Business |  |  |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |  |
Storage rental revenue |  |  |  |  | $ 246,925 |  |  |
Revenues |  |  |  |  |  | 228,983 | 37,694 |
Global Data Center Business | Storage rental |  |  |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 218,675 | $ 35,839 |
Global Data Center Business | Power and connectivity |  |  |  |  |  |  |  |
Capitalized Contract Cost [Line Items] |  |  |  |  |  |  |  |
Storage rental revenue |  |  |  |  | $ 43,300 |  |  |
Revenues |  |  |  |  |  | $ 38,800 |  |

X
- Definition Contract, Term + References No definition available. + Details
Name: | irm_ContractTerm
Namespace Prefix: | irm_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Revenue From Sales Of Products + References No definition available. + Details
Name: | irm_PercentageOfRevenueFromSalesOfProducts
Namespace Prefix: | irm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131251-203054 + Details
Name: | us-gaap_CapitalizedContractCostAmortizationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
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_CapitalizedContractCostLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. + References No definition available. + Details
Name: | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=77888421&loc=SL77919311-209978 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=118952077&loc=SL77927221-108306 + Details
Name: | us-gaap_OperatingLeaseLeaseIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=irm_IntakeCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=irm_CommissionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=irm_StorageRentalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201409Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=irm_GlobalDataCenterBusinessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=irm_StorageRentalPowerAndConnectivityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |