Fair Value of Assets and Liabilities - Assets and Liabilities (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) property	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Impairment of assets	$ 165,702,000	$ 70,734,000	$ 18,380,000
Number of properties owned (property) | property	298
Held for sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Number of properties owned (property) | property	13
Operating Segments | Held for sale | SHOP
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Real Estate Properties, Net	$ 22,048,000
Impairment of assets	$ 30,999,000
Number of properties owned (property) | property	13
Corporate Joint Venture
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Number of properties owned (property) | property	11
Level 2 | Carrying Value | Non-Recurring Fair Value Measurements Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Real estate properties held for sale	$ 22,048,000	0
Level 2 | Carrying Value | Recurring Fair Value Measurements Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative asset	0
Level 2 | Estimated Fair Value | Non-Recurring Fair Value Measurements Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Real estate properties held for sale	22,048,000	$ 0
Level 2 | Estimated Fair Value | Recurring Fair Value Measurements Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative asset	$ 0
Seaport Innovation LLC | Corporate Joint Venture
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity method investment ownership percentage	10.00%
Number of properties owned (property) | property	1
Seaport Innovation LLC | Level 3 | Corporate Joint Venture
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Holding period	10 years	10 years
Seaport Innovation LLC | Level 3 | Corporate Joint Venture | Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0700	0.0700
Seaport Innovation LLC | Level 3 | Corporate Joint Venture | Exit Capitalization Rates
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0600	0.0600
Seaport Innovation LLC | Level 3 | Carrying Value | Corporate Joint Venture | Recurring Fair Value Measurements Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	$ 73,471,000	$ 81,949,000
Seaport Innovation LLC | Level 3 | Estimated Fair Value | Corporate Joint Venture | Recurring Fair Value Measurements Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	$ 73,471,000	$ 81,949,000
The LSMD Fund REIT LLC | Corporate Joint Venture
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Equity method investment ownership percentage	20.00%
Number of properties owned (property) | property	10
The LSMD Fund REIT LLC | Level 3 | Corporate Joint Venture
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Holding period		10 years
The LSMD Fund REIT LLC | Level 3 | Corporate Joint Venture | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Holding period	10 years
The LSMD Fund REIT LLC | Level 3 | Corporate Joint Venture | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Holding period	12 years
The LSMD Fund REIT LLC | Level 3 | Corporate Joint Venture | Discount Rate | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0625	0.0625
The LSMD Fund REIT LLC | Level 3 | Corporate Joint Venture | Discount Rate | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0875	0.0775
The LSMD Fund REIT LLC | Level 3 | Corporate Joint Venture | Exit Capitalization Rates | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0525	0.0500
The LSMD Fund REIT LLC | Level 3 | Corporate Joint Venture | Exit Capitalization Rates | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Measurement input	0.0800	0.0700
The LSMD Fund REIT LLC | Level 3 | Carrying Value | Corporate Joint Venture | Recurring Fair Value Measurements Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	$ 46,655,000	$ 44,910,000
The LSMD Fund REIT LLC | Level 3 | Estimated Fair Value | Corporate Joint Venture | Recurring Fair Value Measurements Assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Investments in affiliates, fair value	$ 46,655,000	$ 44,910,000