Number of Preferred Equity Method Investments Sold

No definition available.

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Data Type:	xbrli:integerItemType
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Period Type:	instant

- Definition

Represents number of unconsolidated joint ventures between entity and an institutional capital partner.

+ References

No definition available.

+ Details

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

- Definition

Preferred Equity Method Investment, Return Percentage

+ References

No definition available.

+ Details

Name:	peak_PreferredEquityMethodInvestmentReturnPercentage
Namespace Prefix:	peak_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599

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 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Amount of investment in equity method investee and investment in and advance to affiliate.

+ 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
-Subparagraph (SX 210.5-02.12)
-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:	instant

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585

+ Details

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

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Investments in and Advances to Unconsolidated Joint Ventures (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 30, 2021 USD ($) property	Mar. 31, 2021 USD ($) joint_venture property	Dec. 31, 2020 USD ($) property	Jan. 31, 2020 property
Schedule of Equity Method Investments [Line Items]
Property count				15
Investments in and advances to unconsolidated joint ventures \| $		$ 399,841	$ 402,871
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Investment return percentage		10.00%
Discovery Naples JV
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		41.00%
Discovery Sarasota JV
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		47.00%
SWF SH JV
Schedule of Equity Method Investments [Line Items]
Property count		19
Investment ownership percentage		54.00%
Equity method investments \| $		$ 349,804	357,581
Life science joint ventures
Schedule of Equity Method Investments [Line Items]
Property count		1
Investment ownership percentage		49.00%
Equity method investments \| $		$ 24,786	24,879
Medical Office JVs
Schedule of Equity Method Investments [Line Items]
Property count		3
Equity method investments \| $		$ 9,613	9,673
Number of unconsolidated joint ventures (in joint ventures) \| joint_venture		3
Medical Office JVs \| Minimum
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		20.00%
Medical Office JVs \| Maximum
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		67.00%
HCP Ventures IV, LLC
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		20.00%
HCP Ventures III, LLC
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		30.00%
Suburban Properties, LLC
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		67.00%
Other JVs
Schedule of Equity Method Investments [Line Items]
Property count		0
Equity method investments \| $		$ 9,157	9,157
Other JVs \| Minimum
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		41.00%
Other JVs \| Maximum
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		47.00%
CCRC JV
Schedule of Equity Method Investments [Line Items]
Property count		2
Investment ownership percentage		49.00%		49.00%
Equity method investments \| $		$ 6,481	1,581
Otay Ranch \| Subsequent Event
Schedule of Equity Method Investments [Line Items]
Proceeds from sale of equity method investments \| $	$ 32,000
Otay Ranch \| Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage		90.00%
Equity method investments \| $		$ 6,000	$ 6,000
Discovery Naples JV and Discovery Sarasota JV
Schedule of Equity Method Investments [Line Items]
Number of unconsolidated joint ventures (in joint ventures) \| joint_venture		2
SHOP \| Subsequent Event \| Discovery SHOP Portfolio
Schedule of Equity Method Investments [Line Items]
Number of preferred equity method investments sold	2
Other non-reportable \| Assets Leased to Others
Schedule of Equity Method Investments [Line Items]
Property count			1
Other non-reportable \| Brookedale MTCA \| Assets Leased to Others
Schedule of Equity Method Investments [Line Items]
Property count				13