Carrying amount of healthcare facilities which are secured by mortgage debt.

No definition available.

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Namespace Prefix:	peak_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number of healthcare facilities which are secured by mortgage debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	peak_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Discontinued Operations, Scheduled Repayments of Secured Debt

+ References

No definition available.

+ Details

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

- Definition

Number of Assets Classified as Discontinued Operations

+ References

No definition available.

+ Details

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Namespace Prefix:	peak_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Properties Acquired

+ References

No definition available.

+ Details

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

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=peak_SeniorHousingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
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Debt - Mortgage Debt (Details) $ in Thousands	1 Months Ended		3 Months Ended
Debt - Mortgage Debt (Details) $ in Thousands	Dec. 31, 2020 USD ($) property facility	Nov. 30, 2020 USD ($) property	Mar. 31, 2021 USD ($) property facility	Mar. 31, 2020 USD ($)
Debt Instrument
Principal balance on debt			$ 5,803,487
Repayments of secured debt	$ 6,000
Senior Housing
Debt Instrument
Number of properties acquired \| property		1
Mortgage Debt
Debt Instrument
Principal balance on debt	$ 217,000	$ 36,000	$ 215,337
Number of healthcare facilities used to secure debt (in facilities) \| facility	6		6
Debt instrument, collateral, healthcare facilities carrying value	$ 517,000		$ 511,000
Debt instrument, periodic payment			42,000	$ 5,000
Repayments of secured debt			$ 39,000
Number of assets classified as discontinued operations \| property	1		2
Repayments of secured debt classified as discontinued operations			$ 1,000	$ 4,000