Summary of Significant Accounting Policies - Operating Real Estate Estimated Useful Lives (Details)	Jun. 30, 2023
Building (fee interest) | Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)	33 years
Building (fee interest) | Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)	47 years
Land improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)	1 year
Land improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)	15 years
Furniture, fixtures and equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)	2 years
Furniture, fixtures and equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)	8 years