Investment in Rental Property and Lease Arrangements - Additional Information (Detail) |
12 Months Ended |
|---|---|
|
Dec. 31, 2019
Property
| |
| Lessor Lease Description [Line Items] | |
| Number of real estate properties under operating leases | 626 |
| Number of real estate properties under direct financing leases | 16 |
| Number of real estate properties under direct financing leases that include land option | 4 |
| Lessor, operating lease, existence of option to extend | true |
| Lessor, direct financing lease, existence of option to extend | true |
| Minimum | |
| Lessor Lease Description [Line Items] | |
| Lessor operating lease, initial terms | 10 years |
| Lessor direct financing leases, initial terms | 10 years |
| Maximum | |
| Lessor Lease Description [Line Items] | |
| Lessor operating lease, initial terms | 20 years |
| Lessor direct financing leases, initial terms | 20 years |