PROPERTY, PLANT, AND EQUIPMENT, NET

3 Months Ended

Mar. 31, 2018

Property Plant And Equipment [Abstract]

PROPERTY, PLANT, AND EQUIPMENT, NET

5. PROPERTY, PLANT AND EQUIPMENT, NET

Details on property, plant and equipment follow.

	March 31, 2018		December 31, 2017
	(In thousands)
Gathering and processing systems and related equipment	$	2,014,522	$	1,973,722
Construction in progress		122,132		78,850
Land and line fill		11,735		11,735
Other		41,114		40,262
Total		2,189,503		2,104,569
Less accumulated depreciation		331,191		309,440
Property, plant and equipment, net	$	1,858,312	$	1,795,129

Depreciation expense and capitalized interest follow.

	Three months ended March 31,
	2018		2017
	(In thousands)
Depreciation expense	$	18,557	$	18,491
Capitalized interest		1,222		468