v3.19.3.a.u2
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