Real Estate (Held for Sale) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) property	Dec. 31, 2015 USD ($) property
Real Estate [Abstract]
Number of properties classified as held for sale | property	4	9
Period for disposal of properties classified as held for sale	12 months
Number of properties sold | property	5
Land and improvements	$ 1,597	$ 10,342
Building and improvements	2,583	30,464
Real estate held-for-sale	4,180	40,806
Less accumulated depreciation and amortization	(778)	(5,161)
Less impairment	(340)	(216)
Real estate held for sale	$ 3,062	$ 35,429