INVESTMENTS (DETAILS 9) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	$ 6,369	$ 12,893	$ 16,099	$ 30,461
Fixed Maturities [Member]
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	6,369	1,707	13,539	19,275
Non-US Government [Member]
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	497	0	497	1,422
Corporate Debt [Member]
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	5,872	1,689	13,042	17,808
Non-Agency RMBS [Member]
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	0	0	0	4
ABS [Member]
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	0	18	0	41
Equity Securities [Member]
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	0	11,186	2,560	11,186
Exchange-Traded Funds [Member]
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	0	0	2,560	0
Bond Mutual Funds [Member]
Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net [Line Items]
Total OTTI recognized in earnings	$ 0	$ 11,186	$ 0	$ 11,186