Income Taxes (Details) - Taxable REIT Subsidiary - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Deferred
Federal	$ 39	$ 83	$ 125	$ 215
State	9	18	28	42
Total income tax expense	$ 48	$ 101	$ 153	$ 257
Effective tax rate (as a percent)	37.70%	37.70%	37.70%	37.70%