PROPERTY, PLANT, AND EQUIPMENT, NET (Tables)

6 Months Ended

Jun. 30, 2014

Property, Plant and Equipment [Abstract]

Schedule of property, plant, and equipment, net

Details on property, plant, and equipment, net were as follows:

	Useful lives (In years)	June 30,		December 31,
		2014		2013
	(Dollars in thousands)
Natural gas gathering and processing systems	30	$	810,617	$	744,359
Compressor stations and compression equipment	30	393,483		380,000
Construction in progress	n/a	63,419		83,765
Other	4-15	24,175		21,304
Total		1,291,694		1,229,428
Less: accumulated depreciation		92,967		71,347
Property, plant, and equipment, net		$	1,198,727	$	1,158,081

Schedule of depreciation expense related to property, plant and equipment and capitalized interest

Depreciation expense related to property, plant, and equipment and capitalized interest were as follows:

	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
	(In thousands)
Depreciation expense	$	11,104	$	8,508	$	21,625	$	16,325
Capitalized interest	2,329		1,066		3,688		1,559