Summary of Significant Accounting Policies - Useful Lives of Depreciable Assets (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2019 | |
| Buildings and Improvements | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 7 years |
| Buildings and Improvements | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 50 years |
| Land Improvements | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 3 years |
| Land Improvements | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 20 years |
| Furniture, Fixtures and Equipment | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 3 years |
| Furniture, Fixtures and Equipment | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Property, plant and equipment, useful life | 10 years |