Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net loss attributable to common shareholders	$ (557,798)	$ (921,711)
Noncontrolling interest in subsidiaries' earnings	(2,230)	47
Net loss	(560,028)	(921,664)
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	1,546	2,186
Amortization of bond premium and discount	(121,602)	(86,333)
Reorganization items	3,228	31,275
Share-based compensation		(15,459)
Current income taxes	1,043	901
Deferred acquisition costs	11,603	12,424
Unearned premiums, net	(295,016)	(567,395)
Losses and loss expenses, net	771,247	1,109,365
Ceded premiums payable	(17,276)	(19,563)
Investment income due and accrued	2,677	(496)
Premium receivables	198,605	497,671
Accrued interest payable	53,425	52,743
Unrealized Gain (Loss) on Derivatives	20,964	(5,837)
Net realized investment (gains) losses	(67,459)	78
Losses (gains) on extinguishment of debt	177,745	(3,119)
Other-than-temporary impairment charges	5,399	19,291
Increase Decrease Variable Interest Entity Activities	(20,756)	3,772
Increase (Decrease) in Other Operating Assets and Liabilities, Net	(129,916)	97,723
Net cash provided by operating activities	35,429	207,563
Cash flows from investing activities:
Proceeds from sales of bonds	427,281	240,418
Proceeds from matured bonds	521,807	362,668
Purchases of bonds	(448,691)	(464,175)
Change in short-term investments	(226,988)	(74,786)
Loans, net	8,843	(104)
Change in swap collateral receivable	26,391	(52,260)
Other, net	(7,343)	4,146
Net cash (used in) provided by investing activities	301,300	15,907
Cash flows from financing activities:
Paydown of variable interest entity secured borrowing	(10,636)
Proceeds from issuance of investment and repurchase agreements		26
Payments for investment and repurchase agreement draws	(104,634)	(213,174)
Payments for extinguishment of long-term debt	(188,446)
Increase (Decrease) in Cash Collateral for Borrowed Securities		(2,440)
Net cash used in financing activities	(303,716)	(215,588)
Net cash flow	33,013	7,882
Cash at January 1	15,999	9,497
Cash at June 30	49,012	17,379
Supplemental disclosure of cash flow information:
Income taxes		1,991
Interest on variable interest entity secured borrowing	927
Interest on investment agreements	4,570	4,362
Cash receipts and payments related to reorganization items:
Professional fees paid for services rendered in connection with the Chapter 11 proceeding	$ 6,956	$ 11,725