Consolidated Statements of Comprehensive Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Interest income:
Mortgage-backed securities	$ 26,995	$ 32,968	$ 53,897	$ 65,007
Mortgage loans held for investment	723	922	1,462	1,865
Total interest income	27,718	33,890	55,359	66,872
Interest expense:
Repurchase agreements	6,548	11,165	14,159	21,383
Non recourse collateralized financing	24	281	46	519
Total interest expense	6,572	11,446	14,205	21,902
Net interest income	21,146	22,444	41,154	44,970
Provision for loan losses	0	0	0	(261)
Gain (loss) on derivative instruments, net	(23,074)	11,353	(36,496)	11,336
Gain on sale of investments, net	(477)	2,031	(3,784)	3,422
Fair value adjustments, net	88	(600)	119	(740)
Other income, net	137	101	212	13
General and administrative expenses:
Compensation and benefits	(2,329)	(2,308)	(4,881)	(4,666)
Other general and administrative	(1,490)	(1,487)	(3,057)	(2,938)
Net (loss) income	(5,999)	31,534	(6,733)	51,136
Preferred Stock Dividends	(2,294)	(2,092)	(4,588)	(3,313)
Net (loss) income to common shareholders	(8,293)	29,442	(11,321)	47,823
Change in fair value of available-for-sale securities	33,114	(115,263)	57,080	(109,366)
Reclassification adjustment for (loss) gain on sale of investments, net	477	(2,031)	3,784	(3,422)
Change in fair value of cash flow hedges	0	15,944	0	16,381
Reclassification adjustment for cash flow hedges (including de-designated hedges)	1,608	4,693	3,896	8,796
Other comprehensive income	35,199	(96,657)	64,760	(87,611)
Comprehensive income to common shareholders	$ 26,906	$ (67,215)	$ 53,439	$ (39,788)
Weighted average common shares:
Basic and diluted	54,711,108	54,973,561	54,668,591	54,638,651
Net income per common share:
Net (loss) income per common share - basic and diluted	$ (0.15)	$ 0.54	$ (0.21)	$ 0.88
Dividends declared per common share	$ 0.25	$ 0.29	$ 0.50	$ 0.58