RELATED PARTY TRANSACTIONS (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2017 USD ($) directors	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Related Party Transactions [Abstract]
Number Of Board Of Directors Also Serving As Director To Marketing Partner Of The Company | directors		1
Expenses incurred for related parties		$ 1.2	$ 1.3	$ 0.7
Charitable Contribution	$ 10.0