CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
CONSOLIDATED BALANCE SHEETS
Fixed maturities, amortized cost	$ 33,641,823	$ 26,661,310
Fixed maturities, fair value	335,676	319,163
Equity securities, cost	632,652	371,827
Mortgage loans, securitizations	627,731	765,520
Investment real estate, accumulated depreciation	937	771
Accounts and premiums receivable, allowance for uncollectible amounts	4,211	4,191
Property and equipment, accumulated depreciation	110,080	103,625
Preferred Stock, par value (in dollars per share)	$ 1	$ 1
Preferred Stock, shares authorized (in shares)	2,000	2,000
Preferred Stock, Liquidation preference	2,000	2,000
Common Stock, par value (in dollars per share)	$ 1	$ 1
Common Stock, shares authorized (in shares)	5,000,000	5,000,000
Common Stock, shares issued (in shares)	5,000,000	5,000,000
Net unrealized gains (losses) on investments, income tax	290,553	979,251
Net unrealized (losses) gains relating to other-than-temporary impaired investments for which a portion has been recognized in earnings, income tax	325	(2,147)
Accumulated loss - derivatives, income tax	$ (665)	$ (1,883)