Leases - Summary of Right-of-Use Assets and Related Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019
Operating Leased Assets [Line Items]
Right-of-use assets	$ 512,774	$ 434,201
Lease liabilities	331,334	$ 278,287
Corporate Office Leases [Member]
Operating Leased Assets [Line Items]
Right-of-use assets	41,596
Lease liabilities	43,105
Ground Leases [Member]
Operating Leased Assets [Line Items]
Right-of-use assets	413,196
Finance lease, right-of-use asset	57,982
Lease liabilities	264,990
Finance lease, liabilities	$ 23,239