Debt - Schedule of Aggregate Maturities of Total Indebtedness (Details) - Mortgages, Senior Notes and Term Loans - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
March 31, 2022	$ 7,102
March 31, 2023	7,381
March 31, 2024	260,454
March 31, 2025	324,025
March 31, 2026	200,000
Thereafter	1,629,740
Carrying Amount	2,428,702	$ 2,664,218
Less unamortized deferred financing costs	(12,474)	(15,952)
Total debt net of unamortized deferred financing costs	$ 2,416,228	$ 2,648,266