Condensed Consolidated Statement Of Changes In Partners' Capital (USD $) In Thousands	Total	Noncontrolling Interest	Limited Partners Class B	Limited Partners Class C	Limited Partner	General Partner
Beginning Balance at Dec. 31, 2013	$ 4,352,790	$ 253,884	$ 318,472	$ 322,896	$ 3,343,145	$ 114,393
Net income	189,899	20,149	6,204	1,175	92,563	69,808
Distribution to unitholders	(390,615)			(6,215)	(321,295)	(63,105)
Conversion of Class C units to common units				(321,151)	321,151
Contributions from noncontrolling interest owners	143,775	143,775
Non-cash equity based compensation	14,172				14,172
Issuance of general partner interests	2,630					2,630
Issuance of common units	52,155				52,155
Beneficial conversion feature of Class B units			1,317		(1,317)
Amortization of beneficial conversion feature of Class B and Class C units			19,946	3,295	(23,241)
Ending Balance at Sep. 30, 2014	$ 4,364,806	$ 417,808	$ 345,939		$ 3,477,333	$ 123,726