Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2017

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



	March 31, 2017			December 31, 2016
Oil and natural gas properties
Proved	$	882,946		$	840,201
Unproved	110,941			74,937
Total oil and natural gas properties	993,887			915,138
Less accumulated depreciation, depletion and impairment	(377,280		)	(353,030		)
Net oil and natural gas properties capitalized costs	616,607			562,108
Land	5,200			5,100
Non-oil and natural gas equipment	159,178			166,010
Buildings and structures	88,503			88,603
Total	252,881			259,713
Less accumulated depreciation and amortization	(7,063		)	(3,889		)
Other property, plant and equipment, net	245,818			255,824
Total property, plant and equipment, net	$	862,425		$	817,932