Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows used in operating activities	$ (154,447)	$ (260,863)
Cash flows from investing activities:
Proceeds from sales of fixed-maturity investments available for sale	15,973	515
Proceeds from sales of equity securities available for sale	3,154	376
Proceeds from sales of trading securities	450,214	313,036
Proceeds from redemptions of fixed-maturity investments available for sale	1,917	8,594
Proceeds from redemptions of fixed-maturity investments held to maturity	0	2,195
Purchases of trading securities	(304,512)	(376,825)
Sales and redemptions of short-term investments, net	116,130	312,739
Sales (purchases) of other invested assets, net	682	(1,591)
Purchases of property and equipment, net	(381)	(760)
Net cash provided by investing activities	283,177	258,279
Cash flows from financing activities:
Dividends paid	(333)	(333)
Redemption of long-term debt	(132,215)	0
Net cash provided by financing activities	(132,548)	(333)
Effect of exchange rate changes on cash	13	1,792
Decrease in cash	(3,805)	(1,125)
Cash, beginning of period	35,589	20,334
Cash, end of period	31,784	19,209
Supplemental disclosures of cash flow information:
Income taxes paid	732	826
Interest paid	$ 8,061	$ 7,283