Leases - Schedule of Future Lease Payments Due Under Ground Leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Operating Leases
2020 (remaining)	$ 1,991
2021	3,982
2022	4,093
2023	4,132
2024	4,183
2025	4,423
Thereafter	599,932
Total undiscounted future lease payments	622,736
Difference between undiscounted cash flows and discounted cash flows	(538,486)
Total lease liability	84,250	$ 82,880
Financing Leases
2020 (remaining)	1,518
2021	3,081
2022	3,174
2023	3,269
2024	3,367
2025	3,468
Thereafter	327,054
Total undiscounted future lease payments	344,931
Difference between undiscounted cash flows and discounted cash flows	(287,686)
Total lease liability	$ 57,245	$ 56,758