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Fair Value of Assets and Liabilities - Assets and Liabilities (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) property | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) property | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Impairment of assets | $ | $ 6,545 | $ 11,299 | $ 18,687 | $ 17,224 |
Number of Properties | property | 370 |  | 370 |  |
Held for sale |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Number of Properties | property | 5 |  | 5 |  |
Medical Office |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Impairment of assets | $ |  |  | $ 18,789 |  |
Number of Properties | property | 3 |  | 3 |  |
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% |  |
Holding period |  |  | 10 years |  |
Number of Properties | property | 1 |  | 1 |  |
Corporate Joint Venture | Seaport Innovation LLC | Discount Rate |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Measurement input | 0.0750 |  | 0.0750 |  |
Corporate Joint Venture | Seaport Innovation LLC | 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 | Discount Rate | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Measurement input | 0.0650 |  | 0.0650 |  |
Corporate Joint Venture | The LSMD Fund REIT LLC | 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 | Market Capitalization Rate | Minimum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Measurement input | 0.0525 |  | 0.0525 |  |
Corporate Joint Venture | The LSMD Fund REIT LLC | Market Capitalization Rate | Maximum |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Measurement input | 0.0700 |  | 0.0700 |  |
Medical Office |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Impairment of assets | $ | $ 6,647 |  |  |  |
Recurring Fair Value Measurements Assets | Level 3 | Joint Venture | Carrying Value | Seaport Innovation LLC |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Investments in affiliates, fair value | $ | 64,223 |  | $ 64,223 |  | $ 85,699
Recurring Fair Value Measurements Assets | Level 3 | Joint Venture | Carrying Value | The LSMD Fund REIT LLC |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Investments in affiliates, fair value | $ | 44,583 |  | 44,583 |  | 44,217
Non-Recurring Fair Value Measurements Assets | Medical Office |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Aggregate sales price | $ | $ 5,859 |  | $ 5,859 |  |
Non-Recurring Fair Value Measurements Assets | Medical Office | Held for sale |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Number of Properties | property | 1 |  | 1 |  |
Non-Recurring Fair Value Measurements Assets | Level 2 | Carrying Value |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |  |  |  |
Real estate properties held for sale | $ | $ 5,859 |  | $ 5,859 |  | $ 0

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