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Summary of Significant Accounting Policies - Government Grant Income (Details) - Government Assistance, CARES Act - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Government grant income received | $ 47 | $ 209 | $ 413 | $ 7,616
Government grant income recorded in other income (expense), net |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Government grant income received | 47 | 209 | 184 | 6,762
Government grant income recorded in equity income (loss) from unconsolidated joint ventures |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Government grant income received | 0 | 0 | 229 | 648
Government grant income recorded in income (loss) from discontinued operations |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Government grant income received | $ 0 | $ 0 | $ 0 | $ 206

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- Definition Government Grant Income + References No definition available. + Details
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Namespace Prefix: | peak_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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
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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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Namespace Prefix: |
Data Type: | na
Balance 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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