Leases - Additional Information (Details) - Property	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Number of consolidated properties under ground leases	14
Leases ending expiration date	2083
Date majority of leases expire	2032
Weighted average remaining operating lease term	26 years 6 months	26 years 3 months 18 days
Weighted average discount rate used to determine operating lease liabilities	5.30%	5.30%