Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Premiums written - insurance
Direct	$ 269,827	$ 214,349	$ 515,294	$ 418,102
Assumed	(206)	(1,028)	(10,603)	(88,516)
Ceded	(18,392)	(31,389)	(46,277)	(69,976)
Net premiums written	251,229	181,932	458,414	259,610
(Increase) decrease in unearned premiums	(38,105)	4,847	(52,702)	94,534
Net premiums earned—insurance	213,124	186,779	405,712	354,144
Net investment income	27,615	30,877	54,488	65,590
Net (losses) gains on investments	(130,254)	26,419	(135,759)	93,878
Change in fair value of derivative instruments	86,535	(33,124)	(81,135)	(105,881)
Net gains (losses) on other financial instruments	1,188	(61,862)	(4,487)	(79,714)
Gain on sale of affiliate	0	7,708	0	7,708
Other income	2,234	1,395	4,005	2,835
Total revenues	200,442	158,192	242,824	338,560
Expenses:
Provision for losses	140,291	210,868	272,350	477,022
Change in PDR	1,251	559	622	539
Policy acquisition costs	10,006	10,805	27,201	38,851
Other operating expenses	60,981	40,193	141,081	90,347
Interest expense	19,420	12,581	35,301	26,729
Total expenses	231,949	275,006	476,555	633,488
Equity in net (loss) income of affiliates	0	(2)	1	(13)
Pretax loss	(31,507)	(116,816)	(233,730)	(294,941)
Income tax provision (benefit)	1,665	2,443	(13,058)	(6,450)
Net loss	$ (33,172)	$ (119,259)	$ (220,672)	$ (288,491)
Basic net loss per share	$ (0.19)	$ (0.90)	$ (1.40)	$ (2.18)
Diluted net loss per share	$ (0.19)	$ (0.90)	$ (1.40)	$ (2.18)
Weighted-average number of common shares outstanding—basic	171,783	132,346	158,180	132,350
Weighted-average number of common and common equivalent shares outstanding—diluted	171,783	132,346	158,180	132,350
Dividends per share	$ 0.0025	$ 0.0025	$ 0.0050	$ 0.0050