Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2017

Property, plant and equipment consists of the following (in thousands):



	June 30, 2017			December 31, 2016
Oil and natural gas properties
Proved	$	934,248		$	840,201
Unproved	111,202			74,937
Total oil and natural gas properties	1,045,450			915,138
Less accumulated depreciation, depletion and impairment	(404,143		)	(353,030		)
Net oil and natural gas properties capitalized costs	641,307			562,108
Land	5,200			5,100
Non-oil and natural gas equipment	158,944			166,010
Buildings and structures	88,503			88,603
Total	252,647			259,713
Less accumulated depreciation and amortization	(10,356		)	(3,889		)
Other property, plant and equipment, net	242,291			255,824
Total property, plant and equipment, net	$	883,598		$	817,932