INTANGIBLE ASSETS, NET (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Intangible Assets, Net
Gross carrying amount	$ 329,152		$ 329,152		$ 327,782
Accumulated amortization	(155,746)		(155,746)		(130,779)
Net book value	173,406		173,406		197,003
Amortization expense for definite lived intangible assets	12,756	$ 8,986	24,967	$ 17,877
2016	39,900		39,900
2017	27,000		27,000
2018	23,900		23,900
2019	21,700		21,700
2020	19,600		19,600
Trademarks and trade names
Intangible Assets, Net
Gross carrying amount	15,254		15,254		15,244
Accumulated amortization	(7,121)		(7,121)		(6,491)
Net book value	8,133		$ 8,133		8,753
Trademarks and trade names | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			13 years
Customer related intangible assets
Intangible Assets, Net
Gross carrying amount	274,428		$ 274,428		274,428
Accumulated amortization	(136,440)		(136,440)		(113,725)
Net book value	137,988		$ 137,988		160,703
Customer related intangible assets | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			10 years
Operating agreement
Intangible Assets, Net
Gross carrying amount	35,000		$ 35,000		35,000
Accumulated amortization	(11,229)		(11,229)		(10,354)
Net book value	23,771		$ 23,771		24,646
Operating agreement | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			20 years
Noncompete Agreements
Intangible Assets, Net
Gross carrying amount	1,460		$ 1,460		1,435
Accumulated amortization	(314)		(314)		(115)
Net book value	1,146		$ 1,146		1,320
Noncompete Agreements | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			4 years
Intellectual property
Intangible Assets, Net
Gross carrying amount	300		$ 300		300
Accumulated amortization	(70)		(70)		(55)
Net book value	230		$ 230		245
Intellectual property | Weighted average
Intangible Assets, Net
Weighted average estimated useful life (in years)			10 years
Other Intangible Assets
Intangible Assets, Net
Weighted average estimated useful life (in years)			5 years
Gross carrying amount	2,710		$ 2,710		1,375
Accumulated amortization	(572)		(572)		(39)
Net book value	$ 2,138		$ 2,138		$ 1,336