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Real Estate Investments - Schedule of Disposal Groups (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2023 USD ($) ft² property | Nov. 30, 2023 USD ($) property unit | Oct. 31, 2023 USD ($) ft² property unit | Feb. 28, 2023 USD ($) unit property | Apr. 30, 2021 USD ($) ft² property | Feb. 28, 2021 USD ($) ft² property | Dec. 31, 2023 USD ($) ft² property | Dec. 31, 2021 USD ($) property | Dec. 31, 2022 property
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property | 371 |  |  |  |  |  | 371 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property | 8 |  |  |  |  |  | 8 | 5 | 0
Sales Price |  |  |  |  |  |  | $ 18,880 | $ 104,500 |
Gain (Loss) on Sale |  |  |  |  |  |  | $ 265 | $ 30,638 |
Senior Living | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Pennsylvania and South Carolina |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  |  | 3 |  |  |  |  |
Number of units in real estate property | unit |  |  |  | 0 |  |  |  |  |
Sales Price |  |  |  | $ 2,800 |  |  |  |  |
Gain (Loss) on Sale |  |  |  | $ 293 |  |  |  |  |
Senior Living | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Tennessee |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  | 1 |  |  |  |  |  |
Number of units in real estate property | unit |  |  | 0 |  |  |  |  |  |
Sales Price |  |  | $ 2,830 |  |  |  |  |  |
Gain (Loss) on Sale |  |  | $ 627 |  |  |  |  |  |
Senior Living | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Virginia |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property |  | 1 |  |  |  |  |  |  |
Number of units in real estate property | unit |  | 0 |  |  |  |  |  |  |
Sales Price |  | $ 1,800 |  |  |  |  |  |  |
Gain (Loss) on Sale |  | $ 945 |  |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Pennsylvania |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  | 1 |  |  | 1 |  |  |
Area of real estate properties (in square feet) | ft² |  |  | 30,866 |  |  | 92,000 |  |  |
Sales Price |  |  | $ 1,800 |  |  | $ 9,000 |  |  |
Gain (Loss) on Sale |  |  | $ 15 |  |  | $ (122) |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | South Carolina |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property | 1 |  |  |  |  |  | 1 |  |
Area of real estate properties (in square feet) | ft² | 115,108 |  |  |  |  |  | 115,108 |  |
Sales Price | $ 3,450 |  |  |  |  |  |  |  |
Gain (Loss) on Sale | $ (1,255) |  |  |  |  |  |  |  |
Life Science | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Maryland |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  | 1 |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  | 58,880 |  |  |  |  |  |
Sales Price |  |  | $ 6,200 |  |  |  |  |  |
Gain (Loss) on Sale |  |  | $ (360) |  |  |  |  |  |
Life Science / Medical Office |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property | 4 |  |  |  |  |  | 4 |  |
Life Science / Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property | 3 |  |  |  |  |  | 3 |  |
Life Science / Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Florida |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  |  |  | 4 |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  | 263,656 |  |  |  |
Sales Price |  |  |  |  | $ 95,500 |  |  |  |
Gain (Loss) on Sale |  |  |  |  | $ 30,760 |  |  |  |

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