Estimated Useful Lives used to Depreciate Real Property Assets (Detail) |
12 Months Ended |
|---|---|
Dec. 31, 2021 | |
| Land | |
| Property Plant And Equipment [Line Items] | |
| Standard Depreciable Life | Not Depreciated |
| Buildings | Minimum | |
| Property Plant And Equipment [Line Items] | |
| Standard Depreciable Life | 30 years |
| Buildings | Maximum | |
| Property Plant And Equipment [Line Items] | |
| Standard Depreciable Life | 40 years |
| Site Improvements | Minimum | |
| Property Plant And Equipment [Line Items] | |
| Standard Depreciable Life | 7 years |
| Site Improvements | Maximum | |
| Property Plant And Equipment [Line Items] | |
| Standard Depreciable Life | 10 years |