Real Estate Assets Held for Sale, Discontinued Operations and Sale of Joint Venture Equity Interests (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Expenses
Management fees	$ (4,185)	$ (1,004)
Loss on early extinguishment of debt	0	(880)
Income from discontinued operations	0	116
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenues	0	508
Expenses
Property operating expenses	0	(177)
Depreciation and amortization	0	(184)
Management fees	0	(8)
Interest expense, net	0	(149)
Loss on operations of rental property	0	(10)
Gain on sale of joint venture interest	0	1,006
Loss on early extinguishment of debt	0	(880)
Income from discontinued operations	$ 0	$ 116