Leases (Additional Information) (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($) property	Jun. 30, 2019 USD ($) property	Jan. 01, 2019
Leases [Abstract]
Number of properties subject to operating lease | property	5	5
Operating lease, weighted average remaining term	72 years	72 years
Number of properties subject to finance lease | property	2	2
Finance lease, weighted average remaining term	5 years	5 years
Right of use asset	$ 69,800,000	$ 69,800,000
Lease liability	$ 70,200,000	$ 70,200,000
Weighted average discount rate	4.60%	4.60%	4.49%
Lease expense	$ 845,000	$ 1,700,000
Variable lease expense		0
Interest expense related to finance lease	115,000	231,000
Operating lease payments	$ 567,000	960,000
Finance lease payments		$ 0