Investments (Details - Net Realized and Unrealized Investment Gains) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Net Realized and Unrealized Investment (Losses) Gains
Net realized and unrealized investment (losses) gains	$ 99,000	$ 16,000	$ (299,000)	$ 23,000	$ 5,000	$ 257,000	$ 38,000	$ 193,000	$ (160,735)	$ 493,409	$ 66,692
Trading securities [Member]
Schedule of Net Realized and Unrealized Investment (Losses) Gains
Net realized and unrealized investment (losses) gains									(160,735)	493,409	66,692
Trading securities [Member] | Fixed maturities and short term investments [Member]
Schedule of Net Realized and Unrealized Investment (Losses) Gains
Net realized gains (losses) on trading securities									118,575	172,987	157,207
Change in net unrealized investment gains (losses)									(525,787)	186,063	128,224
Trading securities [Member] | Other invested assets [Member]
Schedule of Net Realized and Unrealized Investment (Losses) Gains
Net realized gains (losses) on trading securities									20,497	(16,691)	(176,295)
Change in net unrealized investment gains (losses)									56,652	(9,568)	(46,278)
Trading securities [Member] | Equity securities [Member]
Schedule of Net Realized and Unrealized Investment (Losses) Gains
Net realized gains (losses) on trading securities									75,217	72,155	90,866
Change in net unrealized investment gains (losses)									118,010	66,253	(101,860)
Trading securities [Member] | Other investment income [Member]
Schedule of Net Realized and Unrealized Investment (Losses) Gains
Other net realized gains									(2,107)	5,843	3,617
Trading securities [Member] | Funds Held - Directly Managed investment [Member]
Schedule of Net Realized and Unrealized Investment (Losses) Gains
Net realized and unrealized investment (losses) gains									$ (21,792)	$ 16,367	$ 11,211