Amount of note receivable from contribution of interests in joint venture.

No definition available.

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

- Definition

The number of non-strategic assets involved in a sales transaction.

+ References

No definition available.

+ Details

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

- Definition

Number of properties the reporting entity intended to spin off into an independent, publicly traded entity.

+ References

No definition available.

+ Details

Name:	hcp_NumberOfPropertiesSpinOff
Namespace Prefix:	hcp_
Data Type:	xbrli:integerItemType
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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- Definition

The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

+ Details

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

- Definition

The cash inflow from the sale of an investment interest in a joint venture that the reporting entity has not previously accounted for using consolidation or the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585

+ Details

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

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Period Type:	duration

- Details

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- Details

Name:	us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=hcp_Ridea2Member
Namespace Prefix:
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- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=hcp_HcpCpaBrookdaleJvMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_CounterpartyNameAxis=hcp_SpincoMember
Namespace Prefix:
Data Type:	na
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Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=hcp_HcpCpaJvMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	dei_LegalEntityAxis=hcp_InvestorGroupLedByColumbiaPacificAdvisorsLlcMember
Namespace Prefix:
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Subsequent Events (Details) $ in Thousands	1 Months Ended	3 Months Ended
Subsequent Events (Details) $ in Thousands	May. 31, 2016 USD ($) facility property	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Subsequent Events
Loans receivable, net		$ 768,896		$ 768,743
Payments to Acquire Notes Receivable		$ 117,282	$ 176,504
Subsequent event
Subsequent Events
Number of facility sales expected to close \| facility	17
Subsequent event \| RIDEA II
Subsequent Events
Cash proceeds	$ 109,000
Note receivable	$ 636,000
Subsequent event \| HCP/CPA/Brookdale JV
Subsequent Events
Investment ownership percentage	40.00%
SpinCo \| Subsequent event
Subsequent Events
Number of properties intended to spin off \| property	338
HCP/CPA JV \| Subsequent event
Subsequent Events
Investment ownership percentage	50.10%
An investor group led by Columbia Pacific Advisors, LLC [Member] \| HCP/CPA JV \| Subsequent event
Subsequent Events
Investment ownership percentage	49.90%