Rent Expense - (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) property	Dec. 31, 2020 USD ($) property
Leases [Abstract]
Number of properties pursuant to parking lease	2
Number of properties subject to air space lease	1
Number of properties pursuant to ground leases	97
Number of office space leases	10
Maximum lease terms	93 years
Weighted average remaining lease term	45 years
Operating lease, right-of-use asset | $	$ 235,483	$ 137,180
Operating lease, liability | $	$ 104,957	$ 74,116
Weighted average discount rate, percent	4.40%
Number of real estate properties held for sale	1	0