INTANGIBLE ASSETS, NET (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Intangible Assets, Net
Gross carrying amount	$ 330,187		$ 330,187		$ 327,782
Accumulated amortization	(167,211)		(167,211)		(130,779)
Net book value	162,976		162,976		197,003
Amortization expense for definite lived intangible assets	11,465	$ 10,118	36,432	$ 27,995
2016	47,700		47,700
2017	34,600		34,600
2018	26,100		26,100
2019	20,700		20,700
2020	16,800		16,800
Trademarks and trade names
Intangible Assets, Net
Gross carrying amount	15,254		15,254		15,244
Accumulated amortization	(7,419)		(7,419)		(6,491)
Net book value	7,835		7,835		8,753
Customer related intangible assets
Intangible Assets, Net
Gross carrying amount	274,428		274,428		274,428
Accumulated amortization	(146,890)		(146,890)		(113,725)
Net book value	127,538		127,538		160,703
Operating agreement
Intangible Assets, Net
Gross carrying amount	35,000		35,000		35,000
Accumulated amortization	(11,667)		(11,667)		(10,354)
Net book value	23,333		23,333		24,646
Non-compete agreements
Intangible Assets, Net
Gross carrying amount	1,460		1,460		1,435
Accumulated amortization	(405)		(405)		(115)
Net book value	1,055		1,055		1,320
Intellectual property
Intangible Assets, Net
Gross carrying amount	300		300		300
Accumulated amortization	(78)		(78)		(55)
Net book value	222		222		245
Other intangible assets
Intangible Assets, Net
Gross carrying amount	3,745		3,745		1,375
Accumulated amortization	(752)		(752)		(39)
Net book value	$ 2,993		$ 2,993		$ 1,336
Weighted Average [Member] | Trademarks and trade names
Intangible Assets, Net
Weighted average estimated useful life (in years)			13 years
Weighted Average [Member] | Customer related intangible assets
Intangible Assets, Net
Weighted average estimated useful life (in years)			10 years
Weighted Average [Member] | Operating agreement
Intangible Assets, Net
Weighted average estimated useful life (in years)			20 years
Weighted Average [Member] | Non-compete agreements
Intangible Assets, Net
Weighted average estimated useful life (in years)			4 years
Weighted Average [Member] | Intellectual property
Intangible Assets, Net
Weighted average estimated useful life (in years)			10 years
Weighted Average [Member] | Other intangible assets
Intangible Assets, Net
Weighted average estimated useful life (in years)			5 years