Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income (loss)	$ (92,397)	$ 143,053	$ (164,946)	$ 230,718
Unrealized gain (loss) on mortgage-back securities
Change in fair value	273,222	(705,300)	442,689	(768,723)
Reclassification adjustments for (gain) loss included in gain (loss) on sale of investments, net	20,766	(5,692)	32,484	(12,404)
Unrealized gain (loss) on mortgage-backed securities, net	293,988	(710,992)	475,173	(781,127)
Unrealized gain (loss) on derivatives
Change in fair value	0	274,660	0	257,489
Unrealized gain on derivatives, net	21,532	312,069	42,828	330,459
Total Other comprehensive income (loss)	315,520	(398,923)	518,001	(450,668)
Comprehensive income	223,123	(255,870)	353,055	(219,950)
Less: Comprehensive (income) loss attributable to non-controlling interest	(2,553)	2,662	(4,036)	2,258
Less: Dividends to preferred shareholders	(2,712)	(2,713)	(5,425)	(5,425)
Comprehensive income attributable to common shareholders	217,858	(255,921)	343,594	(223,117)
Gain (loss) on interest rate derivative instruments
Unrealized gain (loss) on derivatives
Reclassification adjustments for loss included in gain (loss) on interest rate derivative instruments, net	0	37,409	0	72,970
Repurchase agreements interest expense
Unrealized gain (loss) on derivatives
Reclassification adjustments for loss included in gain (loss) on interest rate derivative instruments, net	$ 21,532	$ 0	$ 42,828	$ 0