CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (USD $) In Thousands	Total		7.875% Series A Cumulative Redeemable Preferred Stock	7.625% Series C Cumulative Redeemable Preferred Stock	Series D Preferred Stock	Common Stock Par Value	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Accumulated Deficit 7.875% Series A Cumulative Redeemable Preferred Stock	Accumulated Deficit 7.625% Series C Cumulative Redeemable Preferred Stock	Accumulated Deficit Series D Preferred Stock	7.875% Series A Cumulative Redeemable Preferred Stock	7.625% Series C Cumulative Redeemable Preferred Stock	7.50% Series D Cumulative Redeemable Preferred Stock
Beginning balance at Dec. 31, 2012	$ 15,924,444					$ 9,472	$ 14,740,774	$ 3,053,242	$ (2,792,103)				$ 177,088	$ 290,514	$ 445,457
Net income (loss)	870,278								870,278
Unrealized gains (losses) on available-for-sale securities	(867,151)							(867,151)
Reclassification adjustment for net (gains) losses included in net income (loss)	(182,843)							(182,843)
Exercise of stock options	265						265
Stock compensation expense	817						817
Net proceeds from direct purchase and dividend reinvestment	761					1	760
Contingent beneficial conversion feature on 4% Convertible Senior Notes	3,963						3,963
Preferred dividends declared			(3,648)	(5,719)	(8,625)					(3,648)	(5,719)	(8,625)
Common dividends declared, $0.30 per share	(426,173)								(426,173)
Ending balance at Mar. 31, 2013	15,306,369					9,473	14,746,579	2,003,248	(2,365,990)				177,088	290,514	445,457
Beginning balance at Dec. 31, 2013	12,405,055	[1]				9,474	14,765,761	(2,748,933)	(534,306)				177,088	290,514	445,457
Net income (loss)	(203,351)								(203,351)
Unrealized gains (losses) on available-for-sale securities	741,172							741,172
Reclassification adjustment for net (gains) losses included in net income (loss)	(80,718)							(80,718)
Net proceeds from direct purchase and dividend reinvestment	607					1	606
Contingent beneficial conversion feature on 4% Convertible Senior Notes	4,186						4,186
Preferred dividends declared			(3,648)	(5,719)	(8,625)					(3,648)	(5,719)	(8,625)
Common dividends declared, $0.30 per share	(284,247)								(284,247)
Ending balance at Mar. 31, 2014	$ 12,564,712					$ 9,475	$ 14,770,553	$ (2,088,479)	$ (1,039,896)				$ 177,088	$ 290,514	$ 445,457

[1] Derived from the audited consolidated financial statements at December 31, 2013.