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v3.23.3

Fair Value of Assets and Liabilities - Assets and Liabilities (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 02, 2023 $ / shares shares | Sep. 30, 2023 USD ($) property | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) property | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Jun. 28, 2022 | Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Gains and (losses) on equity securities, net |  | $ 0 | $ (2,674) | $ 8,126 | $ (21,384) |  |  |
Impairment of assets |  | $ 1,156 | $ 0 | $ 18,380 | $ 0 |  |  |
Number of properties | property |  | 376 |  | 376 |  |  |  |
Disposal Group, Held-for-Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Number of properties | property |  | 6 |  | 6 |  |  |  |
AlerisLife Inc |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Investment owned balance per shares | $ / shares | $ 1.31 |  |  |  |  |  |  |
Corporate Joint Venture |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Number of properties | property |  | 11 |  | 11 |  |  |  |
Corporate Joint Venture | Seaport Innovation LLC |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Equity method investment ownership percentage |  | 10.00% |  | 10.00% |  |  | 20.00% | 55.00%
Holding period |  |  |  | 10 years |  |  |  |
Number of properties | property |  | 1 |  | 1 |  |  |  |
Corporate Joint Venture | Seaport Innovation LLC | Measurement Input, Discount Rate |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Measurement input |  | 0.0650 |  | 0.0650 |  |  |  |
Corporate Joint Venture | Seaport Innovation LLC | Measurement Input, Market Capitalization Rate |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Measurement input |  | 0.0600 |  | 0.0600 |  |  |  |
Corporate Joint Venture | The LSMD Fund REIT LLC |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Equity method investment ownership percentage |  | 20.00% |  | 20.00% |  |  |  |
Holding period |  |  |  | 10 years |  |  |  |
Number of properties | property |  | 10 |  | 10 |  |  |  |
Corporate Joint Venture | The LSMD Fund REIT LLC | Measurement Input, Discount Rate | Minimum |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Measurement input |  | 0.0625 |  | 0.0625 |  |  |  |
Corporate Joint Venture | The LSMD Fund REIT LLC | Measurement Input, Discount Rate | Maximum |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Measurement input |  | 0.0800 |  | 0.0800 |  |  |  |
Corporate Joint Venture | The LSMD Fund REIT LLC | Measurement Input, Market Capitalization Rate | Minimum |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Measurement input |  | 0.0475 |  | 0.0475 |  |  |  |
Corporate Joint Venture | The LSMD Fund REIT LLC | Measurement Input, Market Capitalization Rate | Maximum |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Measurement input |  | 0.0700 |  | 0.0700 |  |  |  |
Recurring Fair Value Measurements Assets | Level 1 | Carrying Amount | AlerisLife Inc |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Investments in affiliates, fair value |  | $ 0 |  | $ 0 |  | $ 5,880 |  |
Equity securities investment (in shares) | shares | 10,691,658 |  |  |  |  |  |  |
Recurring Fair Value Measurements Assets | Level 1 | Estimated Fair Value | AlerisLife Inc |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Investments in affiliates, fair value |  | 0 |  | 0 |  | 5,880 |  |
Recurring Fair Value Measurements Assets | Level 3 | Joint Venture | Carrying Amount | Seaport Innovation LLC |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Investments in affiliates, fair value |  | 107,773 |  | 107,773 |  | 104,697 |  |
Recurring Fair Value Measurements Assets | Level 3 | Joint Venture | Carrying Amount | The LSMD Fund REIT LLC |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Investments in affiliates, fair value |  | 45,971 |  | 45,971 |  | 50,780 |  |
Recurring Fair Value Measurements Assets | Level 3 | Joint Venture | Estimated Fair Value | Seaport Innovation LLC |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Investments in affiliates, fair value |  | 107,773 |  | 107,773 |  | 104,697 |  |
Recurring Fair Value Measurements Assets | Level 3 | Joint Venture | Estimated Fair Value | The LSMD Fund REIT LLC |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Investments in affiliates, fair value |  | 45,971 |  | 45,971 |  | 50,780 |  |
Non-Recurring Fair Value Measurements Assets | Life Science Property |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Aggregate sales price |  | 5,845 |  | $ 5,845 |  |  |  |
Non-Recurring Fair Value Measurements Assets | Life Science Property | Disposal Group, Held-for-Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Impairment of assets |  | $ 427 |  |  |  |  |  |
Number of properties | property |  | 1 |  | 1 |  |  |  |
Non-Recurring Fair Value Measurements Assets | Senior Living Communities |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Aggregate sales price |  | $ 741 |  | $ 741 |  |  |  |
Non-Recurring Fair Value Measurements Assets | Senior Living Communities | Disposal Group, Held-for-Sale, Not Discontinued Operations |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Impairment of assets |  | $ 729 |  |  |  |  |  |
Number of properties | property |  | 1 |  | 1 |  |  |  |
Non-Recurring Fair Value Measurements Assets | Level 2 | Carrying Amount |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Real estate properties held for sale |  | $ 6,586 |  | $ 6,586 |  | 0 |  |
Non-Recurring Fair Value Measurements Assets | Level 2 | Estimated Fair Value |  |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |  |  |
Real estate properties held for sale |  | $ 6,586 |  | $ 6,586 |  | $ 0 |  |

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