PROPERTY, PLANT, AND EQUIPMENT, NET

9 Months Ended

Sep. 30, 2018

Property Plant And Equipment [Abstract]

PROPERTY, PLANT, AND EQUIPMENT, NET

5. PROPERTY, PLANT AND EQUIPMENT, NET

Details on property, plant and equipment follow.

	September 30, 2018		December 31, 2017
	(In thousands)
Gathering and processing systems and related equipment	$	2,031,540	$	1,973,722
Construction in progress		194,472		78,850
Land and line fill		11,747		11,735
Other		42,286		40,262
Total		2,280,045		2,104,569
Less accumulated depreciation		368,415		309,440
Property, plant and equipment, net	$	1,911,630	$	1,795,129

Depreciation expense and capitalized interest follow.

	Three months ended September 30,				Nine months ended September 30,
	2018		2017		2018		2017
	(In thousands)
Depreciation expense	$	18,567	$	18,837	$	55,781	$	55,935
Capitalized interest		2,451		644		5,536		1,562