Other Assets (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015
Other assets, net
Property and equipment, net	$ 779	$ 779	$ 1,341
Land held for development			188
Goodwill	990	990	990
Deferred expense on straight-lined third-party tenant leases	2,876	2,876	3,336
Interest rate derivatives	1,749	1,749	760
Other receivables	1,673	1,673	2,201
Other	1,322	1,322	1,570
Total other assets, net	9,389	9,389	10,386
Gain on sale of assets		$ 18,413	$ 226,217
Land Held for Development
Other assets, net
Proceeds received from sale of land	400
Gain on sale of assets	$ 200