Commitments and Contingencies (Capital Lease Assets) (Details) - Building and Building Improvements - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Capital Leased Assets [Line Items]
Buildings, fixtures and improvements	$ 11,783	$ 11,783
Less accumulated depreciation and amortization	(1,421)	(1,137)
Total real estate investments, net	$ 10,362	$ 10,646