CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Change in net unrealized gains (losses) on investments, income tax	$ (44,766)	$ (145,224)	$ 431,299	$ (641,532)
Reclassification adjustment for investment amounts included in net income, income tax	(7,466)	(653)	(16,027)	(9,488)
Change in net unrealized gains (losses) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, income tax	561	(1,543)	2,419	1,383
Change in accumulated (loss) gain - derivatives, income tax	(22)	8	(31)	(55)
Reclassification adjustment for derivative amounts included in net income, income tax	103	200	552	577
Change in postretirement benefits liability adjustment, income tax	$ 631	$ (922)	$ 1,895	$ (2,766)