Property Dispositions and Discontinued Operations - Schedule of Properties Held for Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Discontinued Operations and Disposal Groups [Abstract]
Real estate, at cost	$ 25,957	$ 16,590
Real estate, intangible assets	7,789	10,786
Accumulated depreciation and amortization	(13,346)	(4,069)
Rent receivable - deferred	1,715	1,118
Other	1,693	0
Assets held for sale	23,808	24,425
Mortgage payable	0	8,373
Other	191	32
Liabilities held for sale	$ 191	$ 8,405