Basis of Presentation - Summary of Operating Lease Cost Recognized Through Property Operating Expenses (Details) - Property Operating Expenses [Member] $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Lease Cost
Fixed lease cost	$ 525	$ 1,050
Variable lease cost	14	28
Total	$ 539	$ 1,078
Weighted-average remaining lease term (years)	53 years 1 month 6 days	53 years 1 month 6 days
Weighted-average discount rate	6.30%	6.30%