Income Taxes , Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Loss Carryforwards [Line Items]
Minimum Percent of Income From Qualifying Sources to Allow For Real Estate Investment Trust Classification	0.00%
Deferred Tax Assets, Operating Loss Carryforwards	$ 30,821	$ 31,096
Required Minimum Percent of Taxable Income Distributed to Stock Holders	0.00%
Current tax expense	$ (683)	(158)	$ (219)
Current	438	$ 200
Federal
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	85,100
Deferred Tax Assets, Operating Loss Carryforwards	$ 28,900