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v3.22.2

Debt - Cash Pooling (Details) $ in Thousands | Jun. 30, 2022 USD ($) cash_pool | Dec. 31, 2021 USD ($)
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Debt Instrument [Line Items] |  |
Number of cash pools | cash_pool | 4 |
Bank Mendes Gans |  |
Debt Instrument [Line Items] |  |
Number of cash pools | cash_pool | 2 |
JP Morgan Chase Bank |  |
Debt Instrument [Line Items] |  |
Number of cash pools | cash_pool | 2 |
QRS Cash Pool | Bank Mendes Gans |  |
Debt Instrument [Line Items] |  |
Number of cash pools | cash_pool | 1 |
GROSS CASH POSITION | $ 586,400 | $ 552,900
OUTSTANDING DEBIT BALANCES | (583,200) | (552,100)
NET CASH POSITION | $ 3,200 | 800
QRS Cash Pool | JP Morgan Chase Bank |  |
Debt Instrument [Line Items] |  |
Number of cash pools | cash_pool | 1 |
GROSS CASH POSITION | $ 17,100 | 9,400
OUTSTANDING DEBIT BALANCES | (16,900) | (9,200)
NET CASH POSITION | $ 200 | 200
TRS Cash Pool | Bank Mendes Gans |  |
Debt Instrument [Line Items] |  |
Number of cash pools | cash_pool | 1 |
GROSS CASH POSITION | $ 542,700 | 606,000
OUTSTANDING DEBIT BALANCES | (541,300) | (603,900)
NET CASH POSITION | $ 1,400 | 2,100
TRS Cash Pool | JP Morgan Chase Bank |  |
Debt Instrument [Line Items] |  |
Number of cash pools | cash_pool | 1 |
GROSS CASH POSITION | $ 20,800 | 12,000
OUTSTANDING DEBIT BALANCES | (20,000) | (9,900)
NET CASH POSITION | $ 800 | $ 2,100

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- Definition Cash Pool Agreement, Cash Position, Gross + References No definition available. + Details
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Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Cash Pool Agreement, Cash Position, Net + References No definition available. + Details
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Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Cash Pool Agreement, Number Of Cash Pools + References No definition available. + Details
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Namespace Prefix: | irm_
Data Type: | xbrli:integerItemType
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- Definition Cash Pool Agreement, Outstanding Borrowings + References No definition available. + Details
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Namespace Prefix: | irm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- 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
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Period Type: |