RELATED PARTY TRANSACTIONS Table (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Related Party Transactions [Abstract]
Expenses for payroll, employee benefit plans and unit-based compensation	$ 49,864	$ 49,793	$ 150,598	$ 144,146
Other expenses	$ 184	$ 197	$ 402	$ 377