Summary of Significant Accounting Policies - Estimated Useful Lives (Details) |
3 Months Ended |
---|---|
Mar. 31, 2019 | |
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 |