Investment in Rental Property and Lease Arrangements - Summary of Amounts Reported as Lease Revenues Net on the Condensed Consolidated Statements of Income and Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
| Income Statement [Abstract] | ||||
| Contractual rental amounts billed for operating leases | $ 78,886 | $ 69,270 | $ 227,142 | $ 209,440 |
| Adjustment to recognize contractual operating lease billings on a straight-line basis | 4,942 | 6,768 | 14,033 | 16,709 |
| Variable rental amounts earned | 130 | 234 | 335 | 308 |
| Earned income from direct financing leases | 726 | 757 | 2,184 | 2,599 |
| Interest income from sales-type leases | 14 | 0 | 43 | 0 |
| Operating expenses billed to tenants | 4,414 | 3,389 | 12,998 | 11,456 |
| Other income from real estate transactions | 33,515 | 64 | 33,548 | 795 |
| Adjustment to revenue recognized for uncollectible rental amounts billed, net | 150 | 262 | (49) | (1,961) |
| Total Lease revenues, net | $ 122,777 | $ 80,744 | $ 290,234 | $ 239,346 |