CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
CONSOLIDATED CONDENSED BALANCE SHEETS
Fixed maturities, amortized cost	$ 34,222,620	$ 33,668,770
Fixed maturities at amortized cost, fair value	453,741	335,676
Equity securities, cost	791,964	675,758
Mortgage loans, related to securitizations	489,667	627,731
Investment real estate, accumulated depreciation	376	1,066
Accounts and premiums receivable, allowance for uncollectible amounts	3,839	4,283
Property and equipment, accumulated depreciation	116,986	111,579
Preferred Stock, par value (in dollars per share)	$ 1	$ 1
Preferred Stock, shares authorized (in shares)	4,000,000	4,000,000
Preferred Stock, shares Issued (in shares)	0	0
Common Stock, par value (in dollars per share)	$ 0.50	$ 0.50
Common Stock, shares authorized (in shares)	160,000,000	160,000,000
Common Stock, shares issued (in shares)	88,776,960	88,776,960
Treasury stock, shares (in shares)	9,490,513	10,199,514
Net unrealized gains (losses) on investments, income tax	705,180	289,908
Net unrealized (losses) gains relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, income tax	2,744	325
Accumulated loss - derivatives, income tax	(145)	(666)
Postretirement benefits liability adjustment, income tax	$ (21,637)	$ (23,532)