v3.21.2
Investment in Rental Property and Lease Arrangements - Rental Property Subject to Non-cancelable Operating Leases (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Property Subject To Or Available For Operating Lease [Line Items]    
Rental property subject to non-cancelable operating leases, gross $ 4,081,560 $ 3,704,488
Less accumulated depreciation (407,354) (349,977)
Rental property subject to non-cancelable operating leases, net 3,674,206 3,354,511
Land    
Property Subject To Or Available For Operating Lease [Line Items]    
Rental property subject to non-cancelable operating leases, gross 616,917 555,748
Land Improvements    
Property Subject To Or Available For Operating Lease [Line Items]    
Rental property subject to non-cancelable operating leases, gross 291,045 279,360
Buildings and Improvements    
Property Subject To Or Available For Operating Lease [Line Items]    
Rental property subject to non-cancelable operating leases, gross 3,161,728 2,857,510
Equipment    
Property Subject To Or Available For Operating Lease [Line Items]    
Rental property subject to non-cancelable operating leases, gross $ 11,870 $ 11,870