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Real Estate Investments - Unconsolidated Joint Venture Acquisitions (Details) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Apr. 29, 2022 property | Mar. 07, 2022 USD ($) ft² property | Jun. 30, 2022 USD ($) ft² | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) ft² property | Jun. 30, 2021 USD ($)
Real Estate [Line Items] |  |  |  |  |  |
Joint venture ownership (percent) |  |  | 50.00% |  | 50.00% |
Equity Method Investments [Roll Forward] |  |  |  |  |  |
Investments in unconsolidated joint ventures, beginning of period |  |  |  |  | $ 161,942 |
Equity loss recognized during the period |  |  | $ (307) | $ (146) | (652) | $ (220)
Net LLC investments at the end of the period |  |  | 210,781 |  | 210,781 |
San Francisco, CA |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Number of properties acquired | property |  | 3 |  |  |  |
Los Angeles, California |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Number of properties acquired | property | 2 |  |  |  |  |
Medical office building |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Purchase Price |  |  | 100,975 |  | 100,975 |
Cash Consideration |  |  |  |  | 99,173 |
Real Estate |  |  | 97,569 |  | 97,569 |
Other |  |  | $ 1,604 |  | $ 1,604 |
Square Footage | ft² |  |  | 214,124 |  | 214,124 |
Medical office building | San Francisco, CA |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Purchase Price |  | $ 67,175 |  |  |  |
Cash Consideration |  | 66,789 |  |  |  |
Real Estate |  | 65,179 |  |  |  |
Other |  | $ 1,610 |  |  |  |
Square Footage | ft² |  | 110,865 |  |  |  |
Joint venture ownership (percent) |  | 50.00% |  |  |  |
Number of properties acquired | property |  | 3 |  |  |  |
Medical office building | Los Angeles, California |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Purchase Price |  | $ 33,800 |  |  |  |
Cash Consideration |  | 32,384 |  |  |  |
Real Estate |  | 32,390 |  |  |  |
Other |  | $ (6) |  |  |  |
Square Footage | ft² |  | 103,259 |  |  |  |
Joint venture ownership (percent) |  | 50.00% |  |  |  |
Number of properties acquired | property |  | 2 |  |  |  |
Parking Garages |  |  |  |  |  |
Equity Method Investments [Roll Forward] |  |  |  |  |  |
Investments in unconsolidated joint ventures, beginning of period |  |  | $ 211,195 | 83,943 | $ 161,942 | 73,137
New investments during the period |  |  | 0 | 34,138 | 49,599 | 45,018
Equity loss recognized during the period |  |  | (307) | (146) | (652) | (220)
Owner Distributions |  |  | (107) | 0 | (108) | 0
Net LLC investments at the end of the period |  |  | $ 210,781 | $ 117,935 | $ 210,781 | $ 117,935
Parking Garages | Atlanta, GA |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Number of limited liability companies | property |  |  |  |  | 2 |
Parking Garages | Atlanta, GA | Limited Liability Company One |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Ownership interest in LLC (percent) |  |  |  |  | 55.00% |
Parking Garages | Atlanta, GA | Limited Liability Company Two |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Ownership interest in LLC (percent) |  |  |  |  | 27.00% |

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