CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income	$ 116,043	$ 53,004	$ 218,592	$ 126,882
Other comprehensive income (loss):
Change in net unrealized gains (losses) on investments, net of income tax: (three months: 2014 - $216,327; 2013 - $(419,820); six months: 2014 - $475,730; 2013 - $(496,154))	401,752	(779,665)	883,499	(921,427)
Reclassification adjustment for investment amounts included in net income, net of income tax : (three months: 2014 - $(6,558); 2013 - $(6,180); six months: 2014 - $(8,581); 2013 - $(8,880))	(12,180)	(11,478)	(15,936)	(16,493)
Change in net unrealized gains (losses) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, net of income tax: (three months 2014 - $(571); 2013 - $(1,293); six months: 2014 - $1,858; 2013 - $2,926)	(1,061)	(2,402)	3,450	5,435
Change in accumulated (loss) gain - derivatives, net of income tax: (three months: 2014 - $(325); 2013 - $(1,606); six months: 2014 - $(9); 2013 - $(63))	(604)	(2,983)	(17)	(117)
Reclassification adjustment for derivative amounts included in net income, net of income tax: (three months: 2014 - $214; 2013 - $203; six months: 2014 - $449; 2013 - $377)	399	377	835	700
Total other comprehensive income (loss)	388,306	(796,151)	871,831	(931,902)
Total comprehensive income (loss)	$ 504,349	$ (743,147)	$ 1,090,423	$ (805,020)