INVESTMENT OPERATIONS (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net realized gains (losses) for all other investments
Fixed maturities	$ 7,370,000	$ 12,298,000
Equity securities		1,000
Impairments on fixed maturity securities	(1,591,000)	(3,587,000)
Impairments on equity securities		(997,000)
Modco trading portfolio	66,303,000	(15,328,000)
Other investments	(1,527,000)	(1,217,000)
Total realized gains (losses) - investments	70,555,000	(8,830,000)
Gross realized gains on investments available-for-sale (fixed maturities, equity securities, and short-term investments)	7,600,000	12,900,000
Gross realized losses	1,800,000	4,900,000
Impairment losses on investments available-for-sale	1,600,000	4,400,000
Fair value (proceeds) of securities in an unrealized gain position sold	264,700,000	387,900,000
Gain realized on the sale of securities in an unrealized gain position	7,600,000	12,900,000
Fair value (proceeds) of securities sold in an unrealized loss position	2,700,000	4,000,000
Loss realized on the sale of securities in an unrealized loss position	$ 300,000	$ 600,000