SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Selling, General and Administrative Expense [Abstract]
Compensation and benefits	$ 13,636	$ 11,111	$ 26,399	$ 20,100
Marketing costs	10,047	9,496	20,701	18,807
Amortization of intangible assets	8,986	10,107	17,877	19,573
Professional services	6,639	2,808	14,629	6,790
Marketing costs	5,920	7,667	11,273	12,784
Depreciation and amortization	2,344	1,741	4,766	3,296
Business Combination, Contingent Consideration Arrangement - Equator	(7,591)	(37,924)	(7,591)	(37,924)
Goodwill impairment	0	37,473	0	37,473
Other	3,994	6,542	8,327	11,656
Total	$ 43,975	$ 49,021	$ 96,381	$ 92,555