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

No definition available.

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- Definition

Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.2)
-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6812-107765

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

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Data Type:	num:percentItemType
Balance Type:	na
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- 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=115929826&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=6877327&loc=d3e13212-122682

+ Details

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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=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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Investments in and Advances to Unconsolidated Joint Ventures - Schedule of Equity Method Investments (Details) $ in Thousands	Dec. 31, 2018 USD ($) joint_venture	Dec. 31, 2017 USD ($)	Jan. 31, 2017 USD ($)
Schedule of Equity Method Investments [Line Items]
Advances to unconsolidated joint ventures, net	$ 71	$ 226
Investments in and advances to unconsolidated joint ventures	$ 540,088	800,840
CCRC JV
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	49.00%
Equity method investments	$ 365,764	400,241
RIDEA II
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	40.00%		40.00%
Equity method investments	$ 0	259,651	$ 121,000
U.K. JV
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	49.00%
Equity method investments	$ 101,735	0
Life Science JVs
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 0	65,581
Life Science JVs \| Minimum
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	50.00%
Life Science JVs \| Maximum
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	63.00%
Torrey Pines Science Center
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	50.00%
Britannia Biotech Gateway, LP
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	55.00%
LASDK, LP
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	63.00%
MBK JV
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	50.00%
Equity method investments	$ 35,435	38,005
Unconsolidated development joint ventures
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 25,493	23,365
Number of unconsolidated joint ventures (in joint ventures) \| joint_venture	4
Unconsolidated development joint ventures \| Minimum
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	50.00%
Unconsolidated development joint ventures \| Maximum
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	90.00%
Vintage Park Development JV
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	85.00%
Waldwick
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	85.00%
Otay Ranch
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	90.00%
MBK Development JV
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	50.00%
Medical Office JVs
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 10,160	12,488
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%
H C P 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%
K&Y JVs
Schedule of Equity Method Investments [Line Items]
Investment ownership percentage	80.00%
Equity method investments	$ 1,430	$ 1,283
Number of unconsolidated joint ventures (in joint ventures) \| joint_venture	3