Property, Plant and Equipment (table)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Table

A summary of the historical cost of property, plant and equipment is as follows:

		December 31,
thousands	Estimated Useful Life	2014		2013
Land	n/a	$	2,839	$	2,584
Gathering systems	3 to 47 years	4,790,974		3,673,008
Pipelines and equipment	15 to 45 years	151,107		146,008
Assets under construction	n/a	464,507		405,633
Other	3 to 40 years	15,272		11,867
Total property, plant and equipment		5,424,699		4,239,100
Accumulated depreciation		1,040,328		855,845
Net property, plant and equipment		$	4,384,371	$	3,383,255