SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (MULTIBUCKET ANNUITY PRODUCTS) (NARRATIVE) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Accounting Policies [Abstract]
Return of premium annual percentage, multibucket annuity	3.00%
Insurance liabilities held, related to multibucket annuity products	$ 32.8	$ 37.5