Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ (16,528)	$ 6,572	$ (5,486)	$ (4,067)
Other comprehensive income (loss):
Reclassification adjustment for realized (gain) loss on sale of available for sale Agency Securities	(797)	845	(5,065)	(7,931)
Net unrealized gain (loss) on available for sale Agency Securities	7,347	(8,551)	2,170	11,044
Other comprehensive income (loss)	6,550	(7,706)	(2,895)	3,113
Comprehensive Loss	$ (9,978)	$ (1,134)	$ (8,381)	$ (954)