Organization, Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) segment	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Capitalized costs related to the improvement or replacement of real estate properties	$ 8,900	$ 12,200
Acquisition transaction costs	0	136
Allowance for doubtful accounts	5,600		$ 5,200
Payroll related costs capitalized	$ 312	$ 304
Number of reportable segments | segment	1
Property, Plant and Equipment [Line Items]
Operating Leases, Future Minimum Payments Due	$ 42,701
Minimum | Building
Property, Plant and Equipment [Line Items]
Useful life of PPE (in years)	39 years
Minimum | Property Improvements
Property, Plant and Equipment [Line Items]
Useful life of PPE (in years)	10 years
Minimum | Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Useful life of PPE (in years)	3 years
Maximum | Building
Property, Plant and Equipment [Line Items]
Useful life of PPE (in years)	40 years
Maximum | Property Improvements
Property, Plant and Equipment [Line Items]
Useful life of PPE (in years)	20 years
Maximum | Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Useful life of PPE (in years)	10 years