Leases - Additional Information (Details)	9 Months Ended
	Sep. 30, 2019 Property
Leases [Abstract]
Number of properties with ground leases acquired as part of the merger	3
Number of consolidated properties under ground leases	16
Leases ending expiration date	2083
Date majority of leases expire	2034
Weighted average remaining operating lease term	25 years 8 months 12 days
Weighted average discount rate used to determine operating lease liabilities	5.40%