Summary of Significant Accounting Policies - Estimated Useful Lives (Details)	9 Months Ended
	Sep. 30, 2020
Building | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	30 years
Building | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	50 years
Land improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	9 years
Land improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	15 years
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	5 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	14 years