HISTORICAL LOSS AND LAE DEVELOPMENT (Details 3) (USD $)						12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Apr. 28, 2011	Dec. 31, 2010	Dec. 31, 2013 Environmental, Asbestos and Mass Tort Claims	Dec. 31, 2012 Environmental, Asbestos and Mass Tort Claims	Dec. 31, 2011 Environmental, Asbestos and Mass Tort Claims
Loss and LAE payments (cumulative)
Gross						$ 105,559,000	$ 102,222,000	$ 91,079,000
Ceded						(57,976,000)	(57,345,000)	(48,039,000)
Net						47,583,000	44,877,000	43,040,000
Unpaid losses and LAE at end of year:
Gross	1,129,433,000	1,158,483,000	1,150,714,000	72,387,000	1,173,943,000	48,507,000	50,353,000	66,429,000
Ceded	(354,924,000)	(359,884,000)	(353,805,000)	(18,881,000)	(354,163,000)	(15,043,000)	(16,733,000)	(31,633,000)
Net	774,509,000	798,599,000	796,909,000	53,506,000	819,780,000	33,464,000	33,620,000	34,796,000
Minimum period for which product lines related to majority of reserves have been in runoff						20 years
Gross increase in loss						2,200,000
Net increase in loss						$ 1,800,000