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Commitments and Contingencies - Credit Enhancement Guarantee (Details) $ in Millions | 1 Months Ended
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Oct. 31, 2020 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Transaction cost | $ 11

X
- Definition Cost Of Disposition Of Real Estate + References No definition available. + Details
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Namespace Prefix: | peak_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration