CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY (USD $) In Thousands	Total	Common Stock [Member]	Additional Paid In Capital [Member]	Accumulated Other Comprehensive Income [Member]	Retained Earnings [Member]
Beginning balance at Dec. 31, 2008	$ 795,255	$ 6,437	$ 2,872,242	$ (129,884)	$ (1,953,540)
Cumulative effect of accounting changes related to the adoption of FASB ASC Topics 320, net of tax1	0	0	0	(9,138)	9,138
Net income	981,496	0	0	0	981,496
Tax benefit from stock options	185	0	185	0	0
Return of capital to Parent	0
Capital contribution from Parent (Note 2)	(748,652)	0	748,652	0	0
Liabilities Transferred Under Contractual Arrangement	48,905	0	1,467	47,438	0
Dividend to Parent	(94,869)	0	(94,869)	0	0
Other comprehensive income	126,828	0	0	126,828	0
Ending balance at Dec. 31, 2009	2,606,452	6,437	3,527,677	35,244	(962,906)
Net income	134,274	0	0	0	134,274
Tax benefit from stock options	569	0	569	0	0
Return of capital to Parent	0
Capital contribution from Parent (Note 2)	(400,000)	0	400,000	0	0
Other comprehensive income	11,309	0	0	11,309	0
Ending balance at Dec. 31, 2010	3,152,604	6,437	3,928,246	46,553	(828,632)
Net income	(103,117)	0	0	0	(103,117)
Tax benefit from stock options	982	0	982	0	0
Return of capital to Parent	300,000	0	(300,000)	0	0
Capital contribution from Parent (Note 2)	0
Other comprehensive income	(7,702)	0	0	(7,702)	0
Ending balance at Dec. 31, 2011	$ 2,742,767	$ 6,437	$ 3,629,228	$ 38,851	$ (931,749)