RELATED PARTY TRANSACTIONS Table (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Related Party Transaction [Line Items]
Expenses for payroll, employee benefit plans and unit-based compensation	$ 46,292	$ 50,371	$ 99,197	$ 108,376
Other expenses	$ 84	$ 90	$ 177	$ 186