INVESTMENTS (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended								3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Sep. 30, 2012 Subtotal, debt securities position security	Dec. 31, 2011 Subtotal, debt securities	Sep. 30, 2012 Subtotal, debt securities Maximum	Sep. 30, 2012 Common Stock position	Dec. 31, 2011 Common Stock	Jun. 30, 2012 Equity	Sep. 30, 2011 Equity	Sep. 30, 2012 NAIC Rating 1 Subtotal, debt securities
Fixed income securities in unrealized loss positions
Amortized Cost		$ 69,569		$ 116,840	$ 47,095	$ 88,344		$ 22,474	$ 28,496			$ 47,095
Fair Value		68,246		110,187	46,821	84,235		21,425	25,952			46,821
Unrealized Loss		(1,323)		(6,653)	(274)	(4,109)		(1,049)	(2,544)			(274)
Percent to Total					100.00%							100.00%
Cash		31,301		81,184
Short-term investments, at cost		82,202		23,865
Number of unrealized loss positions					22			7
Unrealized losses as percentage of fixed income portfolio cost basis							0.10%
Number of securities in unrealized loss positions for 12 months or longer					2
Unrealized loss on securities in unrealized loss position for twelve consecutive month or longer		197		1,671	197	1,671
Other-than-temporary impairment charges	$ 257	$ 1,156	$ 257							$ 1,200	$ 300