Condensed Consolidated Statement of Changes in Equity - 3 months ended Jun. 30, 2015 - USD ($) $ in Thousands	General Partner	Limited Partner Common Units	Accumulated Other Comprehensive Loss	Noncontrolling Interests	Total
BALANCES at Mar. 31, 2015	$ (37,021)	$ 2,162,924	$ (109)	$ 547,326	$ 2,673,120
BALANCES (in units) at Mar. 31, 2015		103,794,870
Increase (Decrease) in Partnership Capital
Distributions	(13,446)	$ (59,651)		(9,057)	(82,154)
Contributions	11			3,947	3,958
Business combinations		$ 11,367			11,367
Business combinations (in units)		386,383
Net income (loss)	15,359	$ (57,760)		3,875	(38,526)
Other comprehensive loss			(8)		(8)
Other		(28)		1,071	1,043
BALANCES at Jun. 30, 2015	$ (35,097)	$ 2,056,852	$ (117)	$ 547,162	$ 2,568,800
BALANCES (in units) at Jun. 30, 2015		104,181,253