CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net income	$ 78,060	$ 78,070
Other Comprehensive Income/(Loss):
Reclassification adjustment for MBS sales included in net income	(9,971)	(10,485)
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net	414	0
Derivative hedging instrument fair value changes, net	11,897	(49,342)
Other Comprehensive Income/(Loss)	20,981	(105,441)
Comprehensive income/(loss) before preferred stock dividends	99,041	(27,371)
Dividends declared on preferred stock	(3,750)	(3,750)
Comprehensive Income/(Loss) Available to Common Stock and Participating Securities	95,291	(31,121)
Agency MBS
Other Comprehensive Income/(Loss):
Unrealized (loss)/gain, net	(8,052)	13,226
Non-Agency MBS
Other Comprehensive Income/(Loss):
Unrealized (loss)/gain, net	$ 27,521	$ (58,840)