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v3.21.1

Leases - Rent Deferrals (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Lessor, Lease, Description [Line Items] |  |  |
Rent deferred during the period | $ 0 | $ 0 |
Medical Office |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Rent deferred during the period |  |  | $ 6,000,000
Life Science |  |  |
Lessor, Lease, Description [Line Items] |  |  |
Rent deferred during the period |  |  | $ 1,000,000

X
- Definition Rent Deferred During The Period + References No definition available. + Details
Name: | peak_RentDeferredDuringThePeriod
Namespace Prefix: | peak_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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