Real Estate and Other Investments - Schedule of Disposal Groups (Details) $ in Thousands	1 Months Ended																		12 Months Ended
	Dec. 31, 2025 USD ($) ft² property unit	Nov. 30, 2025 USD ($) ft² property unit	Oct. 31, 2025 USD ($) ft² property unit	Sep. 30, 2025 USD ($) ft² property unit	Aug. 31, 2025 USD ($) ft² property	Jul. 31, 2025 USD ($) ft² property unit	May 31, 2025 USD ($) ft² property unit	Mar. 31, 2025 USD ($) ft² property	Feb. 28, 2025 USD ($) ft² property unit	Jan. 31, 2025 USD ($) ft² unit property	Nov. 30, 2024 USD ($) ft² property	Jul. 31, 2024 USD ($) ft² property	Jun. 30, 2024 USD ($) ft² property	Mar. 31, 2024 USD ($) ft² property	Dec. 31, 2023 USD ($) ft² property	Nov. 30, 2023 USD ($) property unit	Oct. 31, 2023 USD ($) ft² property unit	Feb. 28, 2023 USD ($) property unit	Dec. 31, 2025 USD ($) ft² property unit	Dec. 31, 2024 USD ($) property	Dec. 31, 2023 USD ($) ft² property
Real Estate
Number of Properties | property	298																		298
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property	69														8				69	5	8
Sales Price																			$ 604,874	$ 35,675	$ 18,880
Gain (Loss) on Sale																			$ 117,730	$ (18,938)	$ 265
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Senior Secured Note Due 2026
Real Estate
Sales Price										$ 402,234
Held for sale
Real Estate
Number of Properties | property	13																		13
Held for sale | Operating Segments | SHOP
Real Estate
Number of Properties | property	13																		13
Real Estate Properties, Net	$ 22,048																		$ 22,048
Senior Living | Delaware | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property										1
Number of units in real estate property | unit										102
Sales Price										$ 2,900
Gain (Loss) on Sale										$ 1,263
Senior Living | Various | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property									18
Number of units in real estate property | unit									876
Sales Price									$ 135,000
Gain (Loss) on Sale									$ 97,560
Senior Living | Tennessee | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property							1										1
Number of units in real estate property | unit							120										0
Sales Price							$ 11,150										$ 2,830
Gain (Loss) on Sale							$ (5,261)										$ 627
Senior Living | New Jersey | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property						1
Number of units in real estate property | unit						97
Sales Price						$ 4,000
Gain (Loss) on Sale						$ 1,554
Senior Living | Georgia | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property				1
Number of units in real estate property | unit				40
Sales Price				$ 1,600
Gain (Loss) on Sale				$ (218)
Senior Living | Georgia, South Carolina and Wyoming | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property			7
Number of units in real estate property | unit			428
Sales Price			$ 21,430
Gain (Loss) on Sale			$ 4,122
Senior Living | Georgia and South Carolina | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property		4
Number of units in real estate property | unit		193
Sales Price		$ 10,000
Gain (Loss) on Sale		$ (571)
Senior Living | Delaware, Georgia and Indiana | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property	5																		5
Number of units in real estate property | unit	662																		662
Sales Price	$ 56,510
Gain (Loss) on Sale	$ 8,687
Senior Living | Pennsylvania and South Carolina | Disposal Group, Disposed of by Sale, Not Discontinued Operations
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 | Virginia | Disposal Group, Disposed of by Sale, Not Discontinued Operations
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
Life Science | California | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property										3
Area of real estate properties (in square feet) | ft²										185,978
Sales Price										$ 159,025
Gain (Loss) on Sale										$ 9,723
Life Science | Arizona | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property									1
Area of real estate properties (in square feet) | ft²									82,266
Sales Price									$ 16,800
Gain (Loss) on Sale									$ 65
Life Science | Maryland | Disposal Group, Disposed of by Sale, Not Discontinued Operations
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 | Kansas | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property											1
Area of real estate properties (in square feet) | ft²											239,366
Sales Price											$ 6,600
Gain (Loss) on Sale											$ 38
Medical Office | Arizona | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property														1
Area of real estate properties (in square feet) | ft²														126,084
Sales Price														$ 3,600
Gain (Loss) on Sale														$ (5,874)
Medical Office | Various | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property	18																		18
Area of real estate properties (in square feet) | ft²	1,094,474																		1,094,474
Sales Price	$ 140,793
Gain (Loss) on Sale	$ (467)
Medical Office | Connecticut | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property								1
Area of real estate properties (in square feet) | ft²								64,800
Sales Price								$ 7,100
Gain (Loss) on Sale								$ 1,529
Medical Office | Missouri | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property							1
Area of real estate properties (in square feet) | ft²							219,644
Sales Price							$ 5,250
Gain (Loss) on Sale							$ (2,168)
Medical Office | Missouri and Wisconsin | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property						2
Area of real estate properties (in square feet) | ft²						244,491
Sales Price						$ 4,800
Gain (Loss) on Sale						$ (3)
Medical Office | Pennsylvania | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property					1												1
Area of real estate properties (in square feet) | ft²					131,945												30,866
Sales Price					$ 1,800												$ 1,800
Gain (Loss) on Sale					$ (19)												$ 15
Medical Office | Maryland | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property				1
Area of real estate properties (in square feet) | ft²				92,180
Sales Price				$ 4,250
Gain (Loss) on Sale				$ (54)
Medical Office | Massachusetts | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property			1
Area of real estate properties (in square feet) | ft²			124,803
Sales Price			$ 10,700
Gain (Loss) on Sale			$ 2,051
Medical Office | Illinois and North Carolina | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property		2
Area of real estate properties (in square feet) | ft²		154,041
Sales Price		$ 11,766
Gain (Loss) on Sale		$ (63)
Medical Office | Texas | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property													1
Area of real estate properties (in square feet) | ft²													94,137
Sales Price													$ 4,200
Gain (Loss) on Sale													$ (13,213)
Medical Office | Illinois and Minnesota | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Real Estate
Number of Properties | property												2
Area of real estate properties (in square feet) | ft²												205,673
Sales Price												$ 21,275
Gain (Loss) on Sale												$ 111
Medical Office | South Carolina | Disposal Group, Disposed of by Sale, Not Discontinued Operations
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)