COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013 item
Commitment and contingency
Estimated income tax payment if IRS prevails on every issue identified in audit	$ 24.3
Number of auditors from whom notice has been received	2
Targeted multi-state examination
Commitment and contingency
Administrative and/or examination fees which the insurance regulators could demand, minimum	0
Administrative and/or examination fees which the insurance regulators could demand, maximum	$ 3.5