Summary of Significant Accounting Policies - Estimated Useful Lives (Details)	9 Months Ended
	Sep. 30, 2020
Buildings
Property, Plant and Equipment [Line Items]
Real estate investments, useful life	27 years 6 months
Building improvements | Minimum
Property, Plant and Equipment [Line Items]
Real estate investments, useful life	5 years
Building improvements | Maximum
Property, Plant and Equipment [Line Items]
Real estate investments, useful life	27 years 6 months
Furniture, fixtures and equipment | Minimum
Property, Plant and Equipment [Line Items]
Real estate investments, useful life	3 years
Furniture, fixtures and equipment | Maximum
Property, Plant and Equipment [Line Items]
Real estate investments, useful life	5 years