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	Preferred Stock Series B 7.50% Cumulative Redeemable - Liquidation Preference $25.00 per Share	Common Stock, Par Value $.01		Additional Paid-in Capital, in excess of Par		Additional Paid-in Capital, in excess of Par Series B 7.50% Cumulative Redeemable - Liquidation Preference $25.00 per Share	Accumulated Deficit	Accumulated Other Comprehensive Income
Balance at Dec. 31, 2012		$ 3,311,006	$ 38	$ 0	$ 3,575		$ 2,805,724			$ (260,308)	$ 761,977
Balance (in shares) at Dec. 31, 2012			3,840,000	0	357,546,000
Increase (Decrease) in Stockholders' Equity
Redemption of Series A Preferred Stock			(38)				(92,015)
Redemption of Series A Preferred Stock (in shares)			(3,840,000)
Issuance of stock				80	83	[1]	67,713	[1]	193,236
Issuance of stock (in shares)				8,000,000	8,373,000	[1]
Equity-based compensation expense							2,946
Repurchase of shares of common stock	[1]				0		(414)
Repurchase of shares of common stock (in shares)	[1]				(86,000)
Net income		224,152								224,152
Dividends declared on common stock										(521,205)
Dividends declared on preferred stock		(10,000)								(10,000)
Dividends attributable to DERs										(1,757)
Issuance costs of redeemed Preferred Stock										(3,947)
Change in unrealized gains on MBS, net		(107,245)									(107,245)
Change in unrealized losses on derivative hedging instruments, net											10,930
Balance at Sep. 30, 2013		$ 3,073,525	$ 0	$ 80	$ 3,658		$ 2,977,190			$ (573,065)	$ 665,662
Balance (in shares) at Sep. 30, 2013			0	8,000,000	365,833,000

[1] For the nine months ended September 30, 2013, includes approximately $27,000 (3,800 shares) repurchased through the Company's publicly announced stock repurchase program and approximately $695,000 (82,380 shares) surrendered for tax purposes related to equity-based compensation awards.