GOODWILL AND INTANGIBLES ASSETS, NET - Schedule of Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Finite-lived intangible assets:
Accumulated Amortization	$ (27,965)		$ (27,965)		$ (21,604)
Total Intangible Assets
Gross Amount Total	386,675		386,675		260,185
Net Amount	358,710		358,710		238,581
Amortization related to finite-lived intangible assets	2,200	$ 800	6,300	$ 1,600
Customer relationships
Finite-lived intangible assets:
Gross Amount	79,266		79,266		22,497
Accumulated Amortization	(16,195)		(16,195)		(11,575)
Net Amount	63,071		63,071		10,922
Copyrights & designs
Finite-lived intangible assets:
Gross Amount	7,022		7,022		0
Accumulated Amortization	(975)		(975)		0
Net Amount	6,047		6,047		0
Various
Finite-lived intangible assets:
Gross Amount	13,314		13,314		12,088
Accumulated Amortization	(10,795)		(10,795)		(10,029)
Net Amount	2,519		2,519		2,059
Tradenames
Indefinite-lived intangible assets:
Indefinite-lived intangible assets	$ 287,073		$ 287,073		$ 225,600