INVESTMENTS Debt Securities and Common Stock (Details)	9 Months Ended
	Sep. 30, 2015 USD ($) security position	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Securities in unrealized loss positions
Unrealized Loss	$ 16,122,000		$ 7,119,000
Debt securities
Securities in unrealized loss positions
Number of unrealized loss positions | position	361
Number of securities in unrealized loss positions for 12 months or longer | security	42
Unrealized Loss	$ 13,200,000
Unrealized losses as percentage of fixed income portfolio cost basis	0.90%
Other-than-temporary impairment (OTTI) losses recognized in other comprehensive earnings	$ 0	$ 0
Common Stock
Securities in unrealized loss positions
Number of unrealized loss positions | position	10
Number of securities in unrealized loss positions for 12 months or longer | security	0
Unrealized Loss	$ 2,900,000
Other-than-temporary impairment (OTTI) losses recognized in other comprehensive earnings	$ 0	$ 0