CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified		Total	Preferred Stock Series A 8.50% Cumulative Redeemable - Liquidation Preference $25.00 per Share	Common Stock, Par Value $.01:	Additional Paid-in Capital, in excess of Par:	Accumulated Deficit:	Accumulated Other Comprehensive Income:
Balance at Dec. 31, 2012		$ 3,311,006	$ 38	$ 3,575	$ 2,805,724	$ (260,308)	$ 761,977
Balance (in shares) at Dec. 31, 2012			3,840,000	357,546,000
Increase (Decrease) in Stockholders' Equity
Issuance of common stock, net of expenses	[1]			9	7,359
Issuance of common stock, net of expenses (in shares)	[1]			883,000
Equity-based compensation expense					885
Repurchase of shares of common stock	[1]				(90)
Repurchase of shares of common stock (in shares)	[1]			(10,000)
Net income		77,351				77,351
Dividends declared on common stock						(258,404)
Dividends declared on preferred stock		(2,040)				(2,040)
Dividends attributable to DERs						(923)
Change in unrealized gains on MBS, net		118,079					118,079
Change in unrealized losses on derivative hedging instruments, net							12,316
Balance at Mar. 31, 2013		$ 3,265,548	$ 38	$ 3,584	$ 2,813,878	$ (444,324)	$ 892,372
Balance (in shares) at Mar. 31, 2013			3,840,000	358,419,000

[1] For the three months ended March 31, 2013, includes approximately $90,000 (9,607 shares) surrendered for tax purposes related to equity-based compensation awards.