GOODWILL AND INTANGIBLE ASSETS, NET (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Intangible Assets, Net
Gross carrying amount	$ 338,497		$ 338,497		$ 338,497
Accumulated amortization	(121,246)		(121,246)		(93,251)
Net book value	217,251		217,251		245,246
Amortization expense for definite lived intangible assets	10,118	$ 9,717	27,995	$ 29,290
2015	39,200		39,200
2016	34,400		34,400
2017	27,900		27,900
2018	24,600		24,600
2019	22,300		22,300
Trademarks and trade names
Intangible Assets, Net
Gross carrying amount	13,889		13,889		13,889
Accumulated amortization	(6,240)		(6,240)		(5,016)
Net book value	7,649		$ 7,649		$ 8,873
Trademarks and trade names | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			13 years		13 years
Customer related intangible assets
Intangible Assets, Net
Gross carrying amount	289,308		$ 289,308		$ 289,308
Accumulated amortization	(105,041)		(105,041)		(79,606)
Net book value	184,267		$ 184,267		$ 209,702
Customer related intangible assets | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			10 years		10 years
Operating agreement
Intangible Assets, Net
Gross carrying amount	35,000		$ 35,000		$ 35,000
Accumulated amortization	(9,917)		(9,917)		(8,604)
Net book value	25,083		$ 25,083		$ 26,396
Operating agreement | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			20 years		20 years
Intellectual property
Intangible Assets, Net
Gross carrying amount	300		$ 300		$ 300
Accumulated amortization	(48)		(48)		(25)
Net book value	$ 252		$ 252		$ 275
Intellectual property | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			10 years		10 years