Significant Accounting Policies (Organization) (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2014
Accounting Policies [Abstract]
Entity Incorporation, Date of Incorporation	Aug. 17, 2010	Aug. 17, 2010
Entity Incorporation, State Country Name	MD	MD
Operations Commenced Date	Nov. 24, 2010	Nov. 24, 2010
Required Annual Distribution Of Taxable Income	90.00%