Capital Expenditure Funding, Amount Committed

No definition available.

Name:	peak_CapitalExpenditureFundingAmountCommitted
Namespace Prefix:	peak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Capital Expenditure Funding, Amount Funded

+ References

No definition available.

+ Details

Name:	peak_CapitalExpenditureFundingAmountFunded
Namespace Prefix:	peak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Capital Expenditure Funding, Cost of Capital, Percent Committed

+ References

No definition available.

+ Details

Name:	peak_CapitalExpenditureFundingCostOfCapitalPercentCommitted
Namespace Prefix:	peak_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Unfunded Loan Commitments

+ References

No definition available.

+ Details

Name:	peak_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestUnfundedLoanCommitments
Namespace Prefix:	peak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Loans Receivable, Conversion Of Basis Spread On Variable Rate

+ References

No definition available.

+ Details

Name:	peak_LoansReceivableConversionOfBasisSpreadOnVariableRate
Namespace Prefix:	peak_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Loans Receivable, Extension Fee

+ References

No definition available.

+ Details

Name:	peak_LoansReceivableExtensionFee
Namespace Prefix:	peak_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Loans Receivable, Outstanding Balance

+ References

No definition available.

+ Details

Name:	peak_LoansReceivableOutstandingBalance
Namespace Prefix:	peak_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Loans Receivable, Term

+ References

No definition available.

+ Details

Name:	peak_LoansReceivableTerm
Namespace Prefix:	peak_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Properties To Be Sold

+ References

No definition available.

+ Details

Name:	peak_NumberOfPropertiesToBeSold
Namespace Prefix:	peak_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Secured Loans

+ References

No definition available.

+ Details

Name:	peak_NumberOfSecuredLoans
Namespace Prefix:	peak_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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

- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage added to reference rate used to compute variable rate on loan receivable.

+ References

No definition available.

+ Details

Name:	us-gaap_LoansReceivableBasisSpreadOnVariableRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 24
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-24

+ Details

Name:	us-gaap_NetCashProvidedByUsedInFinancingActivities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow associated with the collection, including prepayments, of loans receivable issued for financing of goods and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-12

+ Details

Name:	us-gaap_ProceedsFromCollectionOfLoansReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from sale of buildings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-12

+ Details

Name:	us-gaap_ProceedsFromSaleOfBuildings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=peak_SeniorHousingOperatingPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=peak_SeniorHousingOperatingPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=peak_SecuredMortgageLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=peak_OtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=peak_SecuredOvernightFinancingRateSOFRMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=peak_SecuredOvernightFinancingRateSOFROvernightIndexSwapRateFirstSixMonthsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=peak_SecuredOvernightFinancingRateSOFROvernightIndexSwapRateLastSixMonthsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=peak_SecuredMortgageLoans1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=peak_MezzanineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=peak_OtherNonReportingSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=peak_CCRVJVInvestmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=peak_BrookdaleMTCAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=peak_LessorAssetUnderOperatingLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_InvestmentTypeAxis=peak_SunriseSeniorHousingPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=peak_SeniorHousingOperatingPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Loans Receivable - Narrative (Details) $ in Thousands	1 Months Ended											5 Months Ended	6 Months Ended
Loans Receivable - Narrative (Details) $ in Thousands	Jun. 30, 2023 USD ($)	May 31, 2023 USD ($) loan	Apr. 30, 2023 USD ($) loan	Feb. 28, 2023 USD ($) loan	Dec. 31, 2022 USD ($) loan	Nov. 30, 2022 USD ($)	Jul. 31, 2022 USD ($)	May 31, 2022 USD ($)	Feb. 28, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jan. 31, 2021 USD ($) facility	May 31, 2023 loan	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Loans Receivable:
Net cash provided by financing activities													$ (299,377)	$ (72,082)
Financing receivable, after allowance for credit loss	$ 214,030				$ 374,832								214,030
Loans receivable, extension fee				$ 1,000
Credit loss reserve on unfunded loan commitments	1,100				$ 800								1,100
SHOP
Loans Receivable:
Proceeds from sale of property											$ 230,000
Net cash provided by financing activities											$ 150,000
SHOP
Loans Receivable:
Number of assets to be sold \| facility											16
Secured Mortgage Loans
Loans Receivable:
Proceeds from the collection of loans receivable				102,000
Secured Mortgage Loans \| Other
Loans Receivable:
Proceeds from the collection of loans receivable		$ 21,000	$ 14,000	$ 35,000				$ 2,000
Number of secured loans \| loan		1	1	1	4							4
Loans receivable, outstanding balance					$ 61,000
Loans receivable, term					1 year
Secured Mortgage Loans \| Secured Overnight Financing Rate (SOFR)
Loans Receivable:
Loans receivable, basis spread on variable rate				0.11%
Secured Mortgage Loans \| Secured Overnight Financing Rate (SOFR) \| Other
Loans Receivable:
Loans receivable, conversion of basis spread on variable rate		0.10%
Loans receivable, basis spread on variable rate					0.11%
Secured Mortgage Loans \| Secured Overnight Financing Rate (SOFR), First Six Months
Loans Receivable:
Loans receivable, basis spread on variable rate				6.00%
Secured Mortgage Loans \| Secured Overnight Financing Rate (SOFR), First Six Months \| Other
Loans Receivable:
Loans receivable, basis spread on variable rate					8.50%
Secured Mortgage Loans \| Secured Overnight Financing Rate (SOFR), Last Six Months
Loans Receivable:
Loans receivable, basis spread on variable rate				7.00%
Secured Mortgage Loans \| Secured Overnight Financing Rate (SOFR), Last Six Months \| Other
Loans Receivable:
Loans receivable, basis spread on variable rate					10.50%
Secured Mortgage Loans \| Other
Loans Receivable:
Proceeds from the collection of loans receivable		$ 12,000
Number of secured loans \| loan		2
Mezzanine \| Other
Loans Receivable:
Proceeds from the collection of loans receivable						$ 1,000
Other Non-Reporting Segment \| CCRC JV \| Brookedale MTCA \| Lessor Asset Under Operating Lease
Loans Receivable:
Financing receivable, after allowance for credit loss	35,000				$ 33,000								35,000
Sunrise Senior Housing Portfolio \| SHOP
Loans Receivable:
Net cash provided by financing activities											$ 410,000
Capital expenditure funding, amount committed											$ 92,000		40,000
Capital expenditure funding, cost of capital, percent committed											65.00%
Capital expenditure funding, amount funded													400
Sunrise Senior Housing Portfolio \| SHOP
Loans Receivable:
Number of assets to be sold \| facility											32
Proceeds from sale of property											$ 664,000
Proceeds from the collection of loans receivable					10,000		$ 27,000		$ 8,000	$ 246,000
Financing receivable, after allowance for credit loss	$ 120,000				$ 120,000								$ 120,000
Sunrise Senior Housing Portfolio \| SHOP \| Secured Overnight Financing Rate (SOFR)
Loans Receivable:
Loans receivable, conversion of basis spread on variable rate	0.10%