INVESTMENTS (Details 4) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Fixed income securities in unrealized loss positions
Unrealized Loss	$ (23,222,000)		$ (1,258,000)
Other-than-temporary impairment charges for equity securities no longer intended to be held until recovery		1,200,000
Other-than-temporary impairment (OTTI) losses recognized in net earnings or other comprehensive earnings	0	1,200,000
Debt securities
Fixed income securities in unrealized loss positions
Number of unrealized loss positions	288
Unrealized Loss	22,900,000
Number of securities in unrealized loss positions for 12 months or longer	1
Debt securities | Maximum
Fixed income securities in unrealized loss positions
Unrealized losses as percentage of fixed income portfolio cost basis	1.70%
Common stock security
Fixed income securities in unrealized loss positions
Number of unrealized loss positions	3
Unrealized Loss	$ 400,000
Number of securities in unrealized loss positions for 12 months or longer	0