XML 203 R160.htm IDEA: XBRL DOCUMENT
v3.22.2

Project Summit - Restructuring Charges (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended | 27 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2019 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Charges |  | $ 0 | $ 39,811,000 |  | $ 206,426,000 | $ 194,396,000 | $ 48,597,000 | $ 449,419,000
Project Summit Costs |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Charges | $ 450,000,000 | $ 0 | 39,811,000 | $ 48,597,000 | 206,426,000 | 194,396,000 |  |
EMPLOYEE SEVERANCE COSTS |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Charges |  |  |  |  | 22,809,000 | 47,349,000 | 20,850,000 | 91,008,000
EMPLOYEE SEVERANCE COSTS | Project Summit Costs |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Charges |  |  | 3,808,000 | 20,850,000 | 22,809,000 | 47,349,000 |  |
PROFESSIONAL FEES AND OTHER |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Charges |  |  |  |  | 183,617,000 | 147,047,000 | $ 27,747,000 | $ 358,411,000
PROFESSIONAL FEES AND OTHER | Project Summit Costs |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring Charges |  |  | $ 36,003,000 | $ 27,747,000 | $ 183,617,000 | $ 147,047,000 |  |

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=irm_ProjectSummitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=irm_AccruedProfessionalFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |