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Investments in and Advances to Unconsolidated Joint Ventures (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2022 USD ($) property | Jul. 31, 2022 USD ($) | Jan. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | May 31, 2021 USD ($) property | Jan. 31, 2021 facility | Jun. 30, 2022 USD ($) property joint_venture | Jun. 30, 2021 USD ($) | Jun. 30, 2021 USD ($) | Apr. 30, 2021 property | Mar. 31, 2021 joint_venture
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investments in and advances to unconsolidated joint ventures |  |  |  | $ 403,634 |  |  | $ 402,154 |  |  |  |
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%
Medical Office JVs |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of unconsolidated joint ventures (in joint ventures) | joint_venture |  |  |  |  |  |  | 2 |  |  |  |
HCP Ventures IV, LLC |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment ownership percentage |  |  |  |  |  |  | 20.00% |  |  |  |
Suburban Properties, LLC |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment ownership percentage |  |  |  |  |  |  | 67.00% |  |  |  |
HCP Ventures III, LLC |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment ownership percentage |  |  |  | 30.00% |  |  |  |  |  |  |
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
CCRC JV |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment ownership percentage |  |  |  |  | 49.00% |  |  |  |  |  |
Proceeds from sale of property |  |  |  |  | $ 19,000 |  |  |  |  |  |
Brookedale MTCA | CCRC JV |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | property |  |  |  |  | 2 |  |  |  |  |  |
Proceeds from sale of property |  |  |  |  | $ 38,000 |  |  |  |  |  |
Other Non-Reporting Segment | SWF SH JV |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property count | property |  |  |  |  |  |  | 19 |  |  |  |
Investment ownership percentage |  |  |  |  |  |  | 54.00% |  |  |  |
Equity method investments |  |  |  | $ 355,394 |  |  | $ 351,686 |  |  |  |
Life Science |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of property |  |  | $ 14,000 |  |  |  |  |  |  |  |
Life Science | Life Science JV |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property count | property |  |  |  |  |  |  | 1 |  |  |  |
Investment ownership percentage |  |  |  |  |  |  | 49.00% |  |  |  |
Equity method investments |  |  |  | $ 25,605 |  |  | $ 26,719 |  |  |  |
Life Science | Needham Land Parcel JV |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property count | property |  |  |  |  |  |  | 0 |  |  |  |
Investment ownership percentage |  |  |  | 38.00% |  |  | 38.00% |  |  |  |
Equity method investments |  |  |  | $ 13,566 |  |  | $ 14,831 |  |  |  |
Payments to acquire equity method investment |  |  |  | 13,000 |  |  |  |  |  |  |
Life Science | Life Science JV in San Francisco, California | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property count | property | 7 |  |  |  |  |  |  |  |  |  |
Investment ownership percentage | 70.00% |  |  |  |  |  |  |  |  |  |
Life Science | Life Science JV in San Francisco, California | Life Science JV in San Francisco, California | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment ownership percentage | 30.00% |  |  |  |  |  |  |  |  |  |
Cash proceeds | $ 126,000 |  |  |  |  |  |  |  |  |  |
Medical Office |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of property |  |  |  |  |  |  | $ 27,000 | $ 21,000 | $ 47,000 |  |
Medical Office | Subsequent Event |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of property |  | $ 9,000 |  |  |  |  |  |  |  |  |
Medical Office | Medical Office JVs |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Property count | property |  |  |  |  |  |  | 3 |  |  |  |
Equity method investments |  |  |  | $ 9,069 |  |  | $ 8,918 |  |  |  |
Medical Office | Medical Office JVs | Minimum |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment ownership percentage |  |  |  |  |  |  | 20.00% |  |  |  |
Medical Office | Medical Office JVs | Maximum |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment ownership percentage |  |  |  |  |  |  | 67.00% |  |  |  |
SHOP |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of assets to be sold | facility |  |  |  |  |  | 16 |  |  |  |  |
SHOP | Discovery SHOP Portfolio |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of preferred equity method investments sold | property |  |  |  |  |  |  |  |  |  | 2 |

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