INVESTMENTS Debt and Short-term Investments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Other invested assets
Other Investments	$ 10,873	$ 10,873	$ 11,597
Total tax benefit on investments in housing tax credit partnership	300	800
Investment in FHLBC	1,600	1,600	1,800
Cash and Short-term Investments
Cash	28,188	28,188	30,620	$ 77,037	$ 39,469
Short-term investments, at cost which approximates fair value	58,983	58,983	16,339
Investment In Low Income Housing Tax Credit Partnership Net Of Amortization Member
Other invested assets
Other Investments	$ 9,300	$ 9,300	$ 9,800