Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accounting Policies [Line Items]
Percentage of Voting Equity	50.00%
Prior Period Reclassification Adjustment		$ 0.2	$ 0.2
Selling Commissions And Dealer Manager Fees Percentage Rate Range Maximum	7.00%
Selling Commissions And Dealer Manager Fees Percentage Rate Range Minimum	3.00%
Selling Commissions And Dealer Manager Fees Percentage Rate	10.00%
Percentage Of Minimum Distributions Of Taxable Income	90.00%
Percentage Of Distributions Classified As Return On Capital		64.21%
Percentage Of Distributions Classified As Capital Gains		31.79%
Percentage Of Ordinary Income From Return On Capital		4.00%
Rental Income, Nonoperating		$ 0.2	0.1
Contractor Services [Member]
Accounting Policies [Line Items]
Prior Period Reclassification Adjustment		$ 0.1	$ 0.1
Common Stock Holders [Member]
Accounting Policies [Line Items]
Percentage Of Distributions Classified As Return On Capital	100.00%		100.00%
Percentage Of Distributions Classified As Capital Gains			0.00%
Percentage Realization From Sale Of Depreciable Real Estate		21.29%
Preferred Stock Holders [Member]
Accounting Policies [Line Items]
Percentage Of Distributions Classified As Return On Capital	66.00%		91.05%
Percentage Of Preferred Stock Classified As Ordinary Income	34.00%	11.19%
Percentage Of Distributions Classified As Capital Gains		88.81%	8.95%
Percentage Realization From Sale Of Depreciable Real Estate		21.29%
Building [Member] | Maximum [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	40 years
Building [Member] | Minimum [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	30 years
Building Improvements [Member] | Maximum [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	15 years
Building Improvements [Member] | Minimum [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	5 years
Land Improvements [Member] | Maximum [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	15 years
Land Improvements [Member] | Minimum [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	7 years
Furniture and Fixtures [Member] | Minimum [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	3 years
In Place Lease [Member]
Accounting Policies [Line Items]
SEC Schedule III, Real Estate and Accumulated Depreciation, Life Used for Depreciation	6 months
OP LTIP unit [Member]
Accounting Policies [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	25.91%
OP Unit [Member]
Accounting Policies [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	20.22%
Percentage Of Unvested Incentive Plan In Operating Partnership	3.09%
LTIP Unit [Member]
Accounting Policies [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest	5.69%