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v3.23.1

Fair Value of Assets and Liabilities - Assets and Liabilities (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Feb. 02, 2023 $ / shares | Mar. 31, 2023 USD ($) property shares | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($) | Jun. 28, 2022 | Dec. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Gains and losses on equity securities, net |  | $ 8,126 | $ (8,553) |  |  |
Impairment of assets |  | $ 5,925 | $ 0 |  |  |
Number of properties (property) | property |  | 376 |  |  |  |
Senior Living Communities |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Real estate properties at fair value |  | $ 3,500 |  |  |  |
Impairment of assets |  | $ 3,617 |  |  |  |
Number of properties (property) | property |  | 1 |  |  |  |
Medical Office Property |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Real estate properties at fair value |  | $ 2,500 |  |  |  |
Impairment of assets |  | $ 2,308 |  |  |  |
Number of properties (property) | property |  | 1 |  |  |  |
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) | property |  | 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% |  |  | 20.00% | 55.00%
Holding period |  | 10 years |  |  |  |
Number of properties (property) | property |  | 1 |  |  |  |
Corporate Joint Venture | Seaport Innovation LLC | Measurement Input, Discount Rate |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Measurement input |  | 0.0700 |  |  |  |
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 |  |  |  |
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% |  |  |  |
Holding period |  | 10 years |  |  |  |
Number of properties (property) | property |  | 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 |  | 0.0600 |  |  |  |
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 |  | 0.0725 |  |  |  |
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 |  | 0.0450 |  |  |  |
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 |  |  |  |
Recurring | Level 1 | Carrying Amount | AlerisLife Inc |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Investments in affiliates, fair value |  | $ 0 |  | $ 5,880 |  |
Equity securities investment (in shares) | shares |  | 10,691,658 |  |  |  |
Recurring | Level 1 | Estimated Fair Value | AlerisLife Inc |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Investments in affiliates, fair value |  | $ 0 |  | 5,880 |  |
Recurring | 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 |  | 104,764 |  | 104,697 |  |
Recurring | 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 |  | 48,655 |  | 50,780 |  |
Recurring | 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 |  | 104,764 |  | 104,697 |  |
Recurring | 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 |  | 48,655 |  | $ 50,780 |  |
Fair Value, Nonrecurring [Member] |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Real estate properties at fair value |  | 6,000 |  |  |  |
Fair Value, Nonrecurring [Member] | Level 1 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Real estate properties at fair value |  | 6,000 |  |  |  |
Fair Value, Nonrecurring [Member] | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Real estate properties at fair value |  | 0 |  |  |  |
Fair Value, Nonrecurring [Member] | Significant Other Observable Inputs (Level 2) |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |  |
Real estate properties at fair value |  | $ 0 |  |  |  |

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