GOODWILL AND INTANGIBLE ASSETS, NET (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Intangible Assets, Net
Gross carrying amount	$ 85,280,000	$ 85,280,000
Accumulated amortization	(28,694,000)	(20,330,000)
Net book value	56,586,000	64,950,000
Reductions of intangible assets generated by Component 2 goodwill that can be realized for U.S. tax purposes	3,300,000	3,400,000
Amortization expense for definite lived intangible assets	5,030,000	5,291,000	4,891,000
2013	4,800,000
2014	4,500,000
2015	4,400,000
2016	4,300,000
2017	4,000,000
Trademarks
Intangible Assets, Net
Weighted average estimated useful life	16 years
Gross carrying amount	10,614,000	10,614,000
Accumulated amortization	(4,060,000)	(3,353,000)
Net book value	6,554,000	7,261,000
Customer lists
Intangible Assets, Net
Weighted average estimated useful life	19 years
Gross carrying amount	38,366,000	38,366,000
Accumulated amortization	(18,567,000)	(13,010,000)
Net book value	19,799,000	25,356,000
Operating agreement
Intangible Assets, Net
Weighted average estimated useful life	20 years
Gross carrying amount	35,000,000	35,000,000
Accumulated amortization	(5,104,000)	(3,354,000)
Net book value	29,896,000	31,646,000
Non-compete agreement
Intangible Assets, Net
Weighted average estimated useful life	4 years
Gross carrying amount	1,300,000	1,300,000
Accumulated amortization	(963,000)	(613,000)
Net book value	$ 337,000	$ 687,000